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Miren Katixa Aboitiz, MSN, NP-C, WHNP-BC : Nurse Practitioner

Miren Katixa Aboitiz, MSN, NP-C, WHNP-BC

Nurse Practitioner

Language(s):English, Spanish, conversational French 

Location(s): Washington, DC 

Education: Yale School of Nursing 

Additional Information: Ms. Aboitiz joined the Mary’s Center team in August 2014. Originally from Buenos Aires, Argentina, Ms. Aboitiz is certified by the American Academy of Nurse Practitioners and the National Certification Corporation. She enjoys traveling, especially backpacking, as well as hiking and running. Ms. Aboitiz says: “I am thrilled to be a part of such a wonderful team of health care workers, and to have the opportunity to partner with patients for them to be able to make the best possible decisions about their own health.” 

Deborah Abramsky : Certified Nurse Midwife

Deborah Abramsky

Certified Nurse Midwife

Language(s): English, Spanish  

Location(s): Washington, DC

Education: Nursing certification and Masters of Public Health at Downstate SUNY Health Sciences Center

Additional Information: Ms. Abramsky  joined the Mary's Center team in December 2010Prior to working at Mary's Center, Ms. Abramsky lived in Cuscatlan, El Salvador working with a team of midwives. She enjoys yoga, biking, backpacking, music and spending time with her daughter. 

Amelia Aburn, MSW : Therapist, School Based Mental Health

Amelia Aburn, MSW

Therapist, School Based Mental Health

Language(s): English 

Location(s): Washington, DC 

Education: Masters in social work at Catholic University and Bachelors in Psychology at Northeastern University 

Additional Information: Amelia Aburn joined Mary's Center in October 2017. She is also a Certified Yoga Instructor (RYT-200) and enjoys offering yoga classes at various studios throughout the district. She is passionate about connecting with and caring for each individual she works with. She believes in practicing mindfulness and using mind-body interventions as a means for healing, allowing this to be a guiding force in her work and within her life. Amelia advises clients to "always start with a big deep breath." She also enjoys cooking, traveling, and spending as much time as possible in nature. 

Tirsit Adane, MD : Adolescent Clinical Lead

Tirsit Adane, MD

Adolescent Clinical Lead

Language(s): English, Amharic, conversational Spanish 

Location(s): Washington, DC 

Education: Meharry Medical College 

Residency: Columbia University/New York Presbyterian Hospital  

Additional Information: Dr. Tirsit Adane joined Mary’s Center in August 2015. She enjoys traveling, long distance running, and trying new recipes.Dr. Adane says: “I chose to work at Mary’s Center because of their admirable mission to serve to community, as well as the opportunity to take care of the whole family from a holistic point of view.” 

Andrea Agalloco, LGSW, MSW : Therapist

Andrea Agalloco, LGSW, MSW

Therapist

Language(s): English, conversational Spanish 

Location(s): Maryland 

Education: Bachelor of Arts in Psychology and Spanish from Villanova University and a Masters of Social Work from Catholic University of America 

Additional Information: Ms. Agalloco previously worked as a fundraiser and event planner for Share Our Strength No Kid Hungry and has experience working with children, adolescents and adults in a variety of settings in Washington, D.C.  In her free time she enjoys cooking, singing karaoke, reading, yoga and spending time with friends and family. 

Gita Agarwal, MD : Physician

Gita Agarwal, MD

Physician

Language(s): English, Urdu, Hindi, medical Spanish 

Location(s): Washington, DC 

Education: Attended medical school in Karachi, Pakistan 

Additional Information:  Dr. Agarwal joined the Mary’s Center team in July 2008 due to her interest in practicing primary care in a community setting with a wide range of ages and races as well as medical and social challenges. She speaks English, Urdu, Hindi, and medical Spanish. In her spare time, Dr. Agarwal enjoys cooking, learning about other cultures, and raising her two children.  

Ayesha Ahmad : Dental Hygienist

Ayesha Ahmad

Dental Hygienist

Language(s): English 

Location(s): Washington, DC 

Education: Bachelors in Public Health from George Mason University and Dental Hygiene degree from Howard University College of Dentistry 

Additional Information: Ayesha is passionate about public health and strives to provide quality care and oral hygiene education to each of her patients. On the weekends, Ayesha can be found at local farmers markets, spending time outdoors or baking cakes for her small side business. She’s also a huge Toronto Raptors fan. 

Sarah Ali, MD : Doctor, Board Certified

Sarah Ali, MD

Doctor, Board Certified

Language(s): English

Location(s): Washington, DC

Specialties: Infectious Disease, LGBTQ+ Health

Education: American University of the Caribbean, Infectious Disease Fellowship Program at George Washington University School of Medicine and Health Sciences

Residency: Internal Medicine at Saint Vincent’s Catholic Medical Center in Manhattan 

Additional Information: Dr. Ali is Board Certified in both Internal Medicine and Infectious Diseases. She joined the Mary’s Center team in August 2015. Dr. Ali, who is from Lafayette, Louisiana, enjoys swimming, running and painting. 

Rosa Delmy Alvayero, LCSW-C : Integrated Behavioral Health Therapist

Rosa Delmy Alvayero, LCSW-C

Integrated Behavioral Health Therapist

Language(s): English, Spanish  

Location(s): Maryland

Education: Master in Clinical Social Work from the University of Maryland, Baltimore, with a dual track in Program Management and Clinical Work and a sub-specialization and Certificate in Maternal and Child Health as well as a Bachelor of Arts in Psychology and a Certificate in Women Studies from the University of Maryland 

Additional Information: Ms. Alvayero’s professional work experience includes program development, staff management, and implementation of support services for at-risk youth in the immigrant community by providing comprehensive, culturally sensitive programs in education, workforce management, and social services.  She has volunteered at an orphanage for children with HIV in Lima, Peru, and worked with an interdisciplinary team of doctors, social service workers, and nurses providing medical treatment and aid to earthquake victims in El Salvador. Ms. Alvayero uses the therapeutic space to work with people in their self-discovery of the affirmation that no one is broken. Her favorite quote, from Jenny Layton, is: “You are enough. You were born being enough. Nothing you say or do will ever add to or subtract from who you are.” 

Ingrid Andersson, RN, BSN : Director of Nursing

Ingrid Andersson, RN, BSN

Director of Nursing

Language(s): English, Spanish  

Location(s): Washington, DC 

Education:  Biology degree from Bowdoin College and in Nursing from Johns Hopkins University

Additional Information: Ingrid Andersson has been a member of the Mary’s Center team since August 2010. Prior to working at Mary’s Center, she worked as a public health nurse for the Visiting Nurse Service of New York in the Bronx and as a hospice nurse in Washington DC. In addition to her role as Director of Nursing, Ingrid acts as an instructor and consultant to the Briya Medical Assistant Training Program. In her spare time, she enjoys spending time with her children, exploring the DC area, hiking, traveling, reading, and going to the beach. 

Kristina Andersson, DO, FAAP : Medical Director, Silver Spring site

Kristina Andersson, DO, FAAP

Medical Director, Silver Spring site

Language(s): English, Spanish  

Location(s): MD 

Education: Arizona College of Osteopathic Medicine  

Residency: Georgetown University Hospital 

Additional Information: Board certified pediatrician Kristina Andersson has been a member of the Mary's Center team since November 2009. In her spare time, she enjoys: running, swimming, biking, gardening, and playing soccer with her son. 

Ayla Badell, LPC : Therapist, Licensed Clinical Professional Counselor

Ayla Badell, LPC

Therapist, Licensed Clinical Professional Counselor

Language(s): English 

Location(s): Washington, DC 

Specialties: Children and teen mental health, LGBTQ+ health, working with the homeless, refugee, and immigrant communities  

Education: BA in Psychology at Loyola University of Maryland and an MS in Clinical Mental Health Counseling at Johns Hopkins University 

   

Additional Information: 

Ms. Badell uses cognitive behavior therapy, trauma-focused CBT, play and filial therapy, art therapy, sand tray therapy, dialectical behavior therapy, and parent-child interactive therapy. She has worked with children, teens, adults, people experiencing homelessness, the LGBTQ community, refugees and immigrants. Born in Bethesda, Ms. Badell is proud of her Latina and Asian heritage. She has a passion for yoga, mixed marital arts, ultra-marathon running, ballroom dancing and painting. She believes in the healing power of exercise, meditation, the arts, and play.  

Ms Badell says: "I chose to work at Mary's Center to help improve the quality of life for all members of our community, especially those who do not have easy access to therapeutic services. Mary's Center assists in many different realms of health, which helps people to live a happier life. 

Megan Bailey, RN,BSN, MPH : Nurse Manager, Fort Totten

Megan Bailey, RN,BSN, MPH

Nurse Manager, Fort Totten

Language(s): English 

Location(s): Washington, DC 

Education: Bachelors of Science in Health Sciences from Tennessee State University and Masters of Science in Administration with a concentration in Public and Community Health at Trinity Washington University Bachelor of Nursing degree from Marymount University in the Accelerated Nursing program 

Residency: Georgetown University 

Additional Information: Megan Bailey, a native of the District of Columbia, joined the Mary's Center team in 2017. During her studies, she participated in a number of community health projects and volunteer work in the Nashville metro area. She later worked at the Virginia Spine Institute within the Pain Management Center as a medical assistant and supported data collection for spinal research. She was also a staff nurse on an acutely-ill adult medicine IMC unit, where she served as Charge Nurse, Preceptor, and represented the unit as the designated Magnet Champion to support community outreach. Megan enjoys "meeting the community right where they are". She is passionate about health literacy, benefit navigation, and women's health. When she is not working, she spends her time with her husband and her children. Megan enjoys traveling, running, and watching football! 

Akua Odi Boateng, MS, RDN, LD : Director of WIC

Akua Odi Boateng, MS, RDN, LD

Director of WIC

Language(s): English, Akan  

Location(s): Washington, DC 

Education: Fellowship through the American Association of University Women International at Howard University, Bachelor's degree in Biochemistry and a Master's degree in Nutrition from the KwameNkrumah University of Science and Technology in Ghana  

Additional Information: Born in Ghana, Odi Boateng joined Mary's Center in June 2011. She is the Director of the WIC Program and enjoys interacting with participants from different parts of the world. Odi initially studied nutrition to find out how to prevent malnutrition, but “the more I learned, the more I got to know that poor nutrition can cause obesity and also lead to lifestyle diseases like diabetes and hypertension." Odis says being a Registered Dietitian affords her the opportunity to help people navigate through all the information regarding food and nutrition so that healthy eating is easy and delicious. Her favorite healthy food is sliced papaya and in her free time she enjoys collecting stamps and traveling. 

Breanna Carozza, MSN, CNM : Certified Nurse Midwife

Breanna Carozza, MSN, CNM

Certified Nurse Midwife

Language(s): English  

Location(s): Washington, DC  

Education: MSN degree in Women’s Health and Midwifery at Georgetown University, BSN at the University of Wisconsin 

Additional Information: Breanna first began serving pregnant women in 2011 when she became a birth doula, supporting mothers though labor and post-partum. Working with midwives as a doula is what ultimately inspired Breanna to further her training and pursue midwifery as a career. Breanna joined the Mary’s Center team in 2017 and looks forward to taking care of women and families for years to come! 

Jessica Cates-Bristol, MSW : Therapist, School Based Mental Health

Jessica Cates-Bristol, MSW

Therapist, School Based Mental Health

Language(s): English 

Location(s): Washington, DC 

Education: Masters of Social Work degree from the University of Maryland 

Additional Information: Prior to Mary's Center, Ms. Cates-Bristol worked with various community-based organizations in DC, and managed programs in Sub-Saharan African working to empower youth. She finds strength in the following quote by Maya Angelou, “You may not think you can reach it. Climb anyway. You may not think you'll be heard. Speak anyway. You may not think you can change things. Try anyway." 

Vivian Cativo, RN : Nurse Manager, Ontario Road

Vivian Cativo, RN

Nurse Manager, Ontario Road

Language(s): English, Spanish  

Location(s): Washington, DC 

Additional Information: Ms. Cativo is originally from El Salvador and specializes in Adult Medicine as well as Obstetrics and Gynecology. In her free time, Ms. Cativo likes to spend time with her baby granddaughter and cook for her family. Ms. Cativo says: "I've always had a passion for maternal and baby care and I really enjoy meeting with our pregnant patients to teach them about the different stages of pregnancy and all the wonderful things they can expect when their baby comes." 

Jacqueline Mallet Cedeno, RN : MCO Panel Manager

Jacqueline Mallet Cedeno, RN

MCO Panel Manager

Language(s): English, French, Haitian Creole , Spanish

Location(s): Washington, DC

Education: Montgomery College

Additional Information:  Jacqueline Mallet has been a member of the Mary's Center team since September 2011.Originally from Haiti. In her free time, she enjoys teaching her kids the value of giving [through] volunteering for Haitian non-profit organizations and Habitat for Humanity. Her other hobbies include gardening, home renovations, antiques, road trips with her kids, learning about new languages, and trying new cultural foods at cozy and quaint restaurants.  

Angelica Henry Centeno, RN BSN : Nurse Manager

Angelica Henry Centeno, RN BSN

Nurse Manager

Language(s): English, Spanish 

Location(s): Washington, DC 

Education: Bachelor’s of Science in Nursing from the University of Virginia 

Additional Information: She is currently pursuing her MSN in Healthcare Systems Leadership. Angelica was raised in Puerto Rico. She enjoys caring for our diverse population here in DC and Maryland and finding solutions for her patients’ unique concerns. When not at work, she enjoys cooking, hiking, traveling and watching movies. 

Carla C. Cornejo, RDH : Dental Hygienist

Carla C. Cornejo, RDH

Dental Hygienist

Language(s): English, Spanish 

Location(s): Washington, DC 

Education: Attended dentistry school at Universidad Automoma Juan Misael Saracho in Bolivia and completed the Dental Hygiene Program at Northern Virginia Community College 

Additional Information: Ms. Cornejo has been a member of the Mary's Center team since February 2011. In her free time, she enjoys riding roller coasters, cooking, hiking, camping, and doing other outdoor activities. Ms. Cornejo says: "My goal is to provide quality dental service to the community through education and prevention." 

Christian Cornejo, MD, FAAP : Senior Administrative Medical Director, Adelphi site

Christian Cornejo, MD, FAAP

Senior Administrative Medical Director, Adelphi site

Language(s): English, Spanish 

Location(s): Maryland 

Education: Medical degree from Universidad Peruana Cayetano Heredia 

Residency: University of Tennessee College of Medicine in Chattanooga 

Additional Information: Dr. Cornejo serves Mary's Center’s participants as a board-certified pediatrician. He has been a member of the Mary's Center team since November 2009 and speaks English and Spanish. Dr. Cornejo enjoys mountain biking, painting, and traveling with his wife. 

David Cornell, MBA, DNP, FNP-BC, AAHIVS : Nurse Practitioner, Adult Clinical Lead, Director of HIV Services

David Cornell, MBA, DNP, FNP-BC, AAHIVS

Nurse Practitioner, Adult Clinical Lead, Director of HIV Services

Language: English 

Location: Washington, DC 

Specialties: LGBTQ+ Health, Sexual Health, HIV, Hepatitis, Addictions 

Education: University of Iowa (Doctoral Nurse Practitioner degree) 

Additional Information:  Mr. Cornell joined Mary’s Center in 2018. He is excited to work with all patients on their medical needs, but also to join Mary’s Center’s efforts to expand access to testing and treatment services related to HIV, hepatitis, addictions, and sexual health. In his spare time he enjoys exploring DC, trying new restaurants and foods, teaching, and spending time with friends. 

Catherine Daily, MSN, CNM : Certified Nurse Midwife

Catherine Daily, MSN, CNM

Certified Nurse Midwife

Language(s): English, Spanish

Location(s): Washington, DC

Education: BA in Latin American Studies and Spanish Language from American University, BSN at Georgetown University, MSN from Frontier Nursing University

Additional Information: Midwife Katie Daily joined Mary's Center as a full scope midwife in 2017.  She started her relationship with Mary's Center back in 2005 as an AmeriCorps member, stayed on as an outreach worker and prenatal enrollment specialist, and is thrilled to return in this new role. She also contributed to the curriculum development and initiation of Briya Public Charter School’s medical assistant training program.  She enjoys spending her free time at the playground or zoo and exploring DC museums with her kids. 

Chocoma Da Rocha, PA-C : Physician Assistant

Chocoma Da Rocha, PA-C

Physician Assistant

Language(s): English, Portuguese, Spanish 

Location(s): Washington, DC 

Specialties: Adult Health, Infectious Disease, HIV, Hepatitis, LGBTQ+ Health

Education: University of Medicine and Dentistry of New Jersey 

Additional Information: Ms. Da Rocha spent ten years at an HIV clinic in Virginia, where she took care of patients at all stages of HIV disease, including pediatric patients and pregnant patients. As therapies for HIV improved, she began to treat individuals co-infected with Hepatitis C as well as pre- and post-exposure HIV prophylaxis. Ms. Da Rocha is excited to be part of Mary’s Center’s efforts to increase access to HIV care and decrease stigma of those infected and affected by HIV disease and Hepatitis. In her spare time, she enjoys spending time with her family and friends. She also enjoys travelling and considers herself a foodie. 

Daniela Da Rocha, MPA : Physician Assistant

Daniela Da Rocha, MPA

Physician Assistant

Language(s): English, Spanish, Portuguese  

Location(s): Washington, DC 

Education: Masters of Physician Assistant Studies at Eastern Virginia Medical School 

Additional Information: Ms. Da Rocha has spent the majority of her career practicing community health in New York City. She is a recipient of the National Health Service Corps (NHSC) Loan Repayment Program and upon completing her commitment with the NHSC, she continued to serve an urban community in East Harlem. After starting a family and relocating back to the DC area, she briefly practiced in the private sector and quickly longed to return back to her community health roots. An immigrant herself, Daniela grew up in the suburbs with limited access to medical care. Daniela is proud to use her knowledge and skills to empower patients to take control of their own health.  As the city continues to change, she is excited to provide medical care in a center that focuses on holistic care to a culturally, economically and educationally diverse population. In her spare time, she enjoys spending time with her family, fitness, foreign travel and trying new restaurants. 

Joyce Day, MA, BS, RN : Home Visiting Nurse

Joyce Day, MA, BS, RN

Home Visiting Nurse

Language(s): English 

Location(s): Washington, DC 

Education: BS in Nursing from Columbia University and MA from Wheaton College 

Additional Information: After graduation Ms. Day worked in hospitals, nursing homes, clinics, college health centers and schools in New York City and Chicago.  She has also enjoyed traveling to Guatemala, Haiti and Puerto Rico for short term volunteer work.  Before coming to Mary’s Center in 2001, Ms. Day was employed for 32 years as a Public Health Nurse for DC government.  Except for 1 year as a school nurse at Briya, her time at Mary’s Center has been spent in home visiting programs, visiting families in their homes.  She currently follows pregnant women and their babies during pregnancy, and the postpartum period, doing teaching and assisting with appointments and other needs.  She also assists with the Children’s Hospital Pediatric Residency Program by taking residents on home visits and teaching them about the community.  During her spare time, Ms. Day enjoys cooking, traveling, folk dancing and playing in an accordion orchestra.  

Paul J. Doherty, MD, FAAP : Doctor, Board Certified Pediatrician, Adolescent Clinical Lead

Paul J. Doherty, MD, FAAP

Doctor, Board Certified Pediatrician, Adolescent Clinical Lead

Language(s): English 

Location(s): Washington, DC 

Specialties: Pediatrics, LGBTQ+ Health 

Education: Johns Hopkins School of Medicine 

Residency: Johns Hopkins School of Medicine 

   

Additional Information: Paul J. Doherty joined the Mary Center’s team in August 2013. Dr. Doherty was a Peace Corps Volunteer in Kenya and Tanzania. He worked at Whitman-Walker, an LGBTQ and HIV-focused healthcare organization in Washington D.C. While he counts himself lucky to see a rich diversity of patients and families at Mary’s Center, he is particularly welcoming to LGBTQI patients and families, or those who have questions about those issues. (LGBTQI stands for lesbian, gay, bisexual, transgender, queer, questioning, and intersex.) In his free time, he patronizes the Petworth Neighborhood Library, tries to make it to yoga class, and thinks up new and fantastic travel plans. 

Mable Dunn, PA-C : Physician Assistant

Mable Dunn, PA-C

Physician Assistant

Language(s): English, Spanish, Cantonese (Chinese) 

Location(s): Washington, DC 

Specialties: Family medicine, LGBTQ+ Health 

Education: George Washington University 

Additional Info: Mable Dunn has practiced Family Medicine at Mary's Center since January 2012.  A second-generation Chinese-American, Ms. Dunn says she chose to become a physician assistant because it gave her the training to provide primary care for the immigrant population. In her free time, Ms. Dunn enjoys spending time with friends, reading a good book, running forest trails, dancing, traveling and volunteering. 

Lindsay Eidman, LICSW : Therapist, School Based Mental Health

Lindsay Eidman, LICSW

Therapist, School Based Mental Health

Language(s): English, Spanish

Location(s): Washington, DC 

Specialties: LGBTQ+ Health

Education: Bachelor of Arts in Spanish and Religious Studies from University of Richmond and a Masters of Social Work from Catholic University of America

Additional Information:

Ms. Eidman is a School-Based Mental Health Therapist at Columbia Heights Education Campus. She is a Licensed Independent Clinical Social Worker in D.C. Ms. Eidman has extensive experience working with trauma survivors, including survivors of sexual abuse, sexual assault, stalking, and domestic violence, as well as experience working as a mental health therapist in other school-based settings in Washington, D.C. In her free time she enjoys hiking, reading, is an amateur sewer, and loves spending time with friends and family. 

Tollie Elliott, MD : Chief Medical Officer

Tollie Elliott, MD

Chief Medical Officer

Language(s): English 

Location(s): Washington, DC 

Education: Bachelor of Science from Howard Universit, a Post Baccalaureate degree from Fisk University, Doctor of Medicine degree from Howard University College of Medicine 

Residency: Department of Obstetrics and Gynecology at Georgetown University 

Additional Information: Dr. Elliott was named Outstanding Senior Resident in Gynecology during his residency. He is committed to community development, having taught in the Prince George’s County Public Schools and served as director of a mentoring program for at-risk youth early in his career. Dr. Elliott enjoys family life, music and travel. Prior to rejoining Mary’s Center, Dr. Elliott worked at Providence Hospital in Washington, DC, where he was a Staff Physician and Co-Chair of the Ob/Gyn Department in 2014. He also served as an Associate Professor at Howard University Hospital. Dr. Elliott was recognized as a Washingtonian Top Doctor in 2016. 

Ifeoma Essien, DDS : Dentist

Ifeoma Essien, DDS

Dentist

Language(s): English 

Location(s): Washington, DC

Education: Doctor of Dental Surgery degree at Howard University College of Dentistry 

Additional Information: 

Dr. Essein is passionate about education and believes that it is the most important factor in achieving and maintaining optimal oral health. She enjoys spending time with her family, cooking (and eating), dancing, and traveling. 

Ashley Fagan, DDS : Dentist

Ashley Fagan, DDS

Dentist

Language(s): English 

Location(s): Washington, DC  

Education: University of Maryland School of Dentistry 

Additional Information:

Dr.Fagan is a member of the Gamma Pi Delta Prosthodontic Honor Society and was also a CAD/CAM Clerk, helping with the computer-aided design and computer-aided manufacturing of dental prosthetics. She enjoys eating, traveling, working out and spending time with friends and family. 

Maiyu Fernandez, MPH, LN : Director of Nutrition

Maiyu Fernandez, MPH, LN

Director of Nutrition

Language(s): EnglishSpanish  

Location(s): Washington, DC 

Education: BS in Dietetics and MPH  

Additional Information: Maiyu Fernandez has been part of Mary’s Center team since February 2014 and takes pride in helping others find their own journey to a healthier lifestyle in her role as a Licensed Nutritionist. With an educational roadmap that paved the way to nutrition and public health, Ms. Fernandez received her BS in Dietetics in 2008 and her MPH in 2009. Born in Lima, she has been fortunate enough to grow up in various cities in the US and across the globe. Traveling the world at a young age helped her to identify a unique perspective, passion, and inspiration, shaping her into who she is today. She enjoys going to spinning and dancing classes, traveling, and spending time with family and friends. 

 

Marie Fetter, RN, MSN, CNM, WHNP : Certified Nurse Midwife

Marie Fetter, RN, MSN, CNM, WHNP

Certified Nurse Midwife

Location(s): Maryland

Education: University of California San Francisco and University of California San Diego

Additional Information: Ms. Fetter has been a member of the Mary's Center team since May 2008

Dana Fitzsimmons, R.Ph., MBA, MPH, FASHP : Pharmacist

Dana Fitzsimmons, R.Ph., MBA, MPH, FASHP

Pharmacist

Language(s): English 

Location(s): Washington, DC

Specialties: LGBTQ+ Health 

Education: BSPh University of Toledo, MBA University of St. Thomas, MPH Johns Hopkins University, FASHP Fellow of the American Society of Health System Pharmacy 

Additional information:  Dana joined the Mary’s Center Pharmacy Team in October 2017. He is a volunteer with Project HOPE in ongoing clinic support in Dominican Republic and with disaster relief in Puerto Rico following Hurricane Maria.  He recently authored LGBTQ+ cultural competency section of a pharmacist preceptor’s textbook.  

Susan Fleischmann, LICSW : Social Worker, Behavioral Health

Susan Fleischmann, LICSW

Social Worker, Behavioral Health

Language(s): English 

Specialties: Adult Therapy, LGBTQ+ Health 

Education: MSW from the University of Maryland at Baltimore and a Certificate in Adult Psychotherapy from the Baltimore Washington Center for Psycho-analysis

Location(s): Washington, DC

Additional Information: Ms. Fleischmann joined Mary's Center in June 2011. She was born in Baltimore and is of German heritage. She enjoys the outdoors, going to the theater and making mosaics. 

Ms Fleischmann says: "I chose to work in mental health because I think that mental health determines our ability to function in life at our maximum potential as well as to experience higher levels of life satisfaction. Find ways to get support and enjoy yourself. Do one thing each day that makes you feel good or at least better." 

Shakira Franklyn, CNM : Director of Midwifery

Shakira Franklyn, CNM

Director of Midwifery

Brenda Flores : Dental Hygienist

Brenda Flores

Dental Hygienist

Angelica Garcia-Ditta, LSW, MSW : Therapist, School Based Mental Health

Angelica Garcia-Ditta, LSW, MSW

Therapist, School Based Mental Health

Language(s): English, Spanish 

Location(s): Washington, DC

Specialties: School-based mental health therapist 

Education: Master of Science in Social Work from the University of Texas at Austin 

Additional Information: Angelica has several years of experience working with underserved adolescents, young adults and families who have experienced domestic and sexual violence, are living with HIV/AIDS, involved in the criminal justice system and in mental health treatment in English and Spanish. Angelica is passionate about serving high-risk adolescents within an integrated health and education model and working towards improved child and family wellness on all levels for the community. 

Gretchen Gates, MSW LICSW : Social Worker, Behavioral Health

Gretchen Gates, MSW LICSW

Social Worker, Behavioral Health

Language(s): English, Spanish 

Location(s): Washington, DC

Specialties: Adolescent and Family Therapy, LGBTQ+ Health  

Education: Bachelor of Arts in International Studies and Communications from University of Dayton and a Master of Social Work from The Catholic University of America

 

Additional Information: Ms. Gates began working as a School-Based Mental Health Therapist at Mary's Center in June 2014. She recommends that people exercise because it benefits both the mind and body. She speaks both English and Spanish, and enjoys running, biking, cooking and playing with her dog. 

Ms. Gates says: "I love working in mental health in a school, because not only does it serve the individual needs of clients and families, but it also decreases the stigma surrounding mental health." 

Caroline Geddes, MD : Doctor

Caroline Geddes, MD

Doctor

Language: English, French, Spanish

Location: Washington, DC

Specialties: Family Health, LGBTQ+ Health

Education: University of Virginia (undergraduate), Drexel University (medical school), University of Pennsylvania Department of Family Medicine and Community Health (residency)

Additional Information: Dr. Geddes worked as an AmeriCorps volunteer at the YouthBuild Charter School.  Following her residency, she stayed on as faculty at the University of Pennsylvania before joining Doctors Without Borders.  With this international aid organization she worked to start a hospital in a refugee camp in Ethiopia, as part of an emergency team for a measles outbreak in the Democratic Republic of the Congo, and as a supervising physician at a hospital in a rural area of the Central African Republic. 

Today, Dr. Geddes lives in Washington DC and enjoys bike-riding, gardening, and eating her husband’s cooking. She joined Mary’s Center in May 2017.  She is excited to be a part of the multi-disciplinary team at Mary’s Center and to provide high quality care to people from a variety of backgrounds and cultures.  

Anne Giebel, LGSW, MSW : Therapist, School Based Mental Health

Anne Giebel, LGSW, MSW

Therapist, School Based Mental Health

Language(s): English 

Location(s): Washington, DC 

Education: B.S. in Psychology from the University of Pittsburgh and Masters of Social Work from the Catholic University of America 

Additional Information:  Anne Giebel joined Mary's Center in Spring 2018 after working as a school social worker. She moved to the Washington DC area to teach 7th grade English Language Arts in Prince George's County, MD for two years before attending graduate school for Clinical Social Work. In her free time, she enjoys photography, writing, working out, and spending time with friends. 

Caitlin Givens, CNM : Certified Nurse Midwife

Caitlin Givens, CNM

Certified Nurse Midwife

Teresa Gomez-Bramble, MD, MPH : Physician

Teresa Gomez-Bramble, MD, MPH

Physician

Language(s): English

Location(s): Silver Spring

Education: Northwestern

Residency: University of California, San Francisco

Additional Information: Dr. Teresa Gomez-Bramble is originally from southern California and recently joined Mary's Center in September 2019. She is excited to work at Mary's Center, an organization whose the mission and values are in line with her own. As a family medicine physician, she cares for patients of all ages and feels fortunate to be part of an extraordinary, hardworking and dedicated team. During her free time, she enjoys spending time with her family, checking out local coffee shops and exploring the greater DMV area (when its >40 degrees outside).

Karen Trister Grace, MSN, CNM : Certified Nurse Midwife

Karen Trister Grace, MSN, CNM

Certified Nurse Midwife

Languages: English, Spanish

Location: Washington, DC and Maryland

Education: University of Pennsylvania

Specialties: Women's Health, LGBTQ+ Health

Additional Information: Ms. Grace works full time as the Interim Program Director of the Nurse-Midwifery/WHNP education program at Georgetown University.

Mindy Greenside, CNM, IBCLC : Certified Nurse Midwife

Mindy Greenside, CNM, IBCLC

Certified Nurse Midwife

Language(s): English, Spanish 

Location(s): Washington, DC 

Specialties: Women’s Health, Prenatal Care, LGBTQ+ Health  

Education: SUNY Downstate in New York 

Additional Information: Ms. Greenside has been with Mary's Center since 2008. In her free time, she enjoys glass jewelry, biking, traveling and cooking. 

James Griffin, DDS : Dentist

James Griffin, DDS

Dentist

Language(s): English 

Location(s): Washington, DC 

Education: University of Maryland School of Dentistry 

Additional Information: Dr. Griffin is originally from Connecticut, where he was in private practice early in his career. He relocated to the Mid-Atlantic area and has worked for a number of years in hospital-based dentistry, convalescent home dental care, and in a private practice setting. Dr. Griffin is a seasoned clinician, who enjoys working with the diverse and underserved populations cared for by Mary’s Center. He enjoys boating, kayaking and biking, and is a huge Maryland Terrapin fan. 

Rodrigo Guevara, DDS : Dentist

Rodrigo Guevara, DDS

Dentist

Language(s): English, Spanish  

Location(s): Washington, DC 

Education: University of Maryland School of Dentistry 

Additional Information: Dr. Rodrigo Guevara was born in Peru and enjoys seeing patients from different cultural backgrounds. He has experience as a general dentist in both non-profit and private practice clinics. He enjoys staying active in his free time, playing basketball and soccer. 

Leshia Hansen, RN, BSN, MPH : Registered Nurse

Leshia Hansen, RN, BSN, MPH

Registered Nurse

Language(s): English, Spanish, Khmer 

Location(s): Washington, DC

Education: Bachelor’s degree in Anthropology and Biology from Kansas State University, Nursing degree from Creighton University in Nebraska, Master’s of Public Health from George Washington University 

Additional Information: Leshia Hansen joined the Mary’s Center’s team in June 2016. She served in the Peace Corps in Cambodia and she specializes in public health, patient education, and oncology. When she is not working, Ms. Hansen enjoys dancing, traveling and learning new things. On working for Mary’s Center, Ms. Hansen says: “I am honored to be a part of a quality organization that really embodies the ideals of holistic and comprehensive care. I am excited about the opportunity to be involved in the lives of so many of my community members.” 

Jillian Hartman, RDH, BSDH : Dental Hygienist

Jillian Hartman, RDH, BSDH

Dental Hygienist

Language(s): English 

Location(s): Washington, DC 

Education: West Virginia University's School of Dentistry, Bachelor of Science degree in Dental Hygiene

Additional Information: Ms. Hartman has her certification in BLS (Basic Life Support) and CPR (Cardiopulmonary Resuscitation), and is board certified to administer local anesthesia and nitrous oxide. A native of York, Pennsylvania, she worked in private practice in the Keystone State's state capital, Harrisburg, for one year before relocating to our nation's capital to pursue her passion for engaging with and providing comprehensive oral health care to our diverse community. In her free time, she enjoys exploring the city with her Bichon-A-Ranian puppy, Remy. 

A Seiji Hayashi, MD : Chief Transformation Officer, Medical Director, Petworth site

A Seiji Hayashi, MD

Chief Transformation Officer, Medical Director, Petworth site

Language(s): English  

Location(s): Washington, DC  

Specialties: Family Health, LGBTQ+ Health  

Education: Vassar College with a degree in Studio Art, Albert Einstein College of Medicine, Alpha Omega Alpha medical honor society, Master of Public Health degree from the Harvard School of Public Health while serving as a fellow for the Commonwealth Fund/Harvard University Fellowship in Minority Health Policy. 

Residency: University of California San Francisco 

Additional Information: Dr. Hayashi is a Fellow of the American Academy of Family Physicians. He has been caring for patients in community health centers for 20 years. In addition to clinical care, he is an experienced executive in primary care practice, health policy, and health information technology. He has been a faculty member and leader at Georgetown University and George Washington University. Dr. Hayashi also served as Chief Medical Officer for the Bureau of Primary Health Care, the federal agency that oversees all federally qualified health centers. While caring for patients at Mary’s Center, he is also the Director of Medicine for Human Dx, a technology project to enhance access to care. 

Evette Hernandez, CNM : Director of Midwifery

Evette Hernandez, CNM

Director of Midwifery

Language(s): EnglishSpanish 

Location(s): Maryland

Education: BA in Spanish and a BSN in Nursing from the University at Buffalo, MSN in Nurse-Midwifery from New York University 

Additional info: Ms. Hernandez, who is from Buffalo, NY, joined Mary’s Center as Director of Midwifery in August 2015. She has provided care to women in many different settings including hospital, clinic, and homebirth. Ms. Hernandez has participated in mission work in Haiti, Mexico, and Argentina. Besides traveling to foreign countries and doing mission work, she enjoys biking and spending time with family and friends. Ms. Hernandez says: “I chose to be a midwife because I believe all women deserve gentle and respectful health care with a provider who listens to them. I believe healthy mothers grow healthy babies and that pregnancy and childbirth are a normal part of a woman’s reproductive life cycle.” 

Mary (Molly) Hewes, LICSW, LCSW-C : Therapist, Integrated Behavioral Health

Mary (Molly) Hewes, LICSW, LCSW-C

Therapist, Integrated Behavioral Health

Language(s): English, Spanish

Location(s): Washington, DC

Specialties: Adult, Child, and LGBTQ+ Mental Health

Education: Masters in Social Work, University of Pennsylvania

Additional Information: Mary has been with Mary's Center since 2016. She joined because she believes in the mission and she loves to serve all communities, especially the immigrant, under insured, and uninsured populations. In her spare time, Mary enjoys exercising, spending time with her cats and all animals, watching movies, listening to music, being an adult learner, and engaging in an examined life.

Shamara Howze, LGPC : Therapist, School Based Mental Health

Shamara Howze, LGPC

Therapist, School Based Mental Health

Language(s): English 

Location(s): Washington, DC 

Education: Bachelors in Psychology from North Carolina Central University and Masters in Clinical Mental Health Counseling from North Carolina Agricultural and Technical State University 

Additional Information: Shamara Howze joined Mary’s Center in July of 2018 and works as a School Based Mental Health Therapist at Barnard Elementary. Ms. Howze is currently a Licensed Graduate Professional Counselor and aspires to continue working towards becoming a Play Therapist as she truly enjoys working with youth. She also enjoys anything that involves crafts, including painting, hanging out with friends, and cooking. 

Margaret (Maggie) Hume, LICSW, MSW : Therapist

Margaret (Maggie) Hume, LICSW, MSW

Therapist

Language(s): English, Spanish

Location(s): Maryland

Specialties: LGBTQ+ Health

Education: MSW degree from the University of Maryland

Additional Information: Ms. Hume joined the Mary's Center team in November 2010, after two years of service with the Peace Corps in Guatemala. Ms. Hume is licensed as a clinical social worker in both Maryland and the District of Columbia. She has a certificate in Sensorimotor Psychotherapy Training in Affect Dysregulation, Survival Defenses, and Traumatic Memory. Ms. Hume encourages her clients by reminding them that "Healing is always possible." She has many hobbies, including biking, hiking, yoga, swimming, laughing, learning, watching movies, listening to music, reading, traveling, playing Pictionary and chess, having long conversations with friends and family, and savoring a good meal that someone else cooked. 

Ms. Hume says: "I chose to work in mental health because one of the things that matters most to me is seeing and helping people to free themselves from limitations, make the best of hard situations, overcome, and find meaning and joy that were missing. Mary's Center reaches out to the people I wanted to work with, and its mission is inspiring to me." 

Teresa Hundertmark, RN : Nurse Manager of Telephone Triage and Employee Health

Teresa Hundertmark, RN

Nurse Manager of Telephone Triage and Employee Health

Language(s): English, Spanish 

Location(s): Washington, DC 

Education: Bachelor’s of Science in Nursing from Georgetown University, Bachelor’s of Science in International Business 

Additional Information: Registered Nurse Teresa Hundertmark joined Mary’s Center in 2019. Prior to joining Mary’s Center, Teresa worked as a nurse at a large community health center in Maryland and in an adult intermediate care unit at Medstar Washington Hospital Center. Her professional interests include community health nursing, health equity, and quality and safety in nursing and healthcare. In her free time, she enjoys spending time with her family, traveling, and enjoying live music. 

Inma Iglesias, LICSW : Therapist, School Based Mental Health

Inma Iglesias, LICSW

Therapist, School Based Mental Health

Language(s): English, Spanish, some sign language  

Location(s): Washington, DC  

Additional Information: Inma Iglesias was born in Salamanca, Spain and joined Mary's Center in September 2013. Ms. Iglesias is a certified Parent-Child Interaction Therapist at Mary’s Center. She advises her patients to "be gentle to yourself so you can be gentle to others." She has many hobbies and loves outdoor activities like walking, biking, and having barbecues in the summer. She enjoys music and dancing, and was a Zumba instructor in the past.  

Ms. Iglesias says: "I decided to join Mary's Center because I share its mission and values. Mary's Center has a holistic approach when serving the community; which I think is the most effective way to serve our clients. We support the family as a whole and in all the areas that we can. Also, there is a strong team spirit and collaboration among co-workers. The day to day work becomes easier when we support each other." 

Sarah Jones, LGSW : Therapist, School Based Mental Health

Sarah Jones, LGSW

Therapist, School Based Mental Health

Language(s): English 

Location(s): DC International School  

Specialties: Pediatric Mental Health, LGBTQ+ Health  

Education: Masters in Social Work from Catholic University, Bachelor of Arts in Psychology from Georgetown University  

Additional Information: Sarah Jones joined the Mary's Center School Based Mental Health team in October 2017 and works as a therapist at DC International School. Sarah is a proud social worker who cares deeply about serving clients holistically by addressing individual therapeutic needs while confronting oppressive systems. She incorporates psychodynamic, CBT, music and play therapy techniques into her sessions. She previously worked and interned at So Others Might Eat (SOME), the Latin American Youth Center (LAYC) and Georgetown University's Center for Social Justice (CSJ). Sarah is a native Washingtonian who enjoys playing guitar and being as active as possible through hiking, biking, running, yoga and crossfit. 

Elysia Jordan, RN, MPH : Director of Clinical Services

Elysia Jordan, RN, MPH

Director of Clinical Services

Language(s): English  

Location(s): Washington, DC 

Education: Bachelor’s of Science in Nursing from Emory University, Master’s in Public Health from George Washington University 

Additional Information: Elysia Jordan joined the Mary’s Center in 2018. Ms. Jordan spent several years as a labor & delivery nurse at MedStar Washington Hospital Center, where she discovered her passion for public health. Prior to joining Mary’s Center, Ms. Jordan worked at the Teen Alliance for Prepared Parenting, a secondary adolescent pregnancy prevention program where she served as Associate Director of Operations and coordinated the Centering Pregnancy program. In her free time, she likes to read, exercise, travel, and try new restaurants. 

Sandra Kim, DMD : Dentist

Sandra Kim, DMD

Dentist

Language(s): English, Korean, some Spanish 

Location(s): Washington, DC 

Education: Pennsylvania School of Dental Medicine

Additional Information: Dentist Sandra Kim moved from South Korea to the U.S twenty years ago and has been a member of Mary's Center team since February 2012. Her experience in Philadelphia included teaching dental students and working as a general dentist in a private practice. Dr. Kim also has provided free dental services to the needy during mission trips abroad in Ecuador, Romania, Korea, Haiti and Kenya. In her free time, she enjoys serving special needs friends in her church ministry and going on mission trips. 

Sidney Knight, LICSW : Behavioral Health Therapist and Behavioral Health Family Support Worker Supervisor

Sidney Knight, LICSW

Behavioral Health Therapist and Behavioral Health Family Support Worker Supervisor

Language(s): English, Spanish 

Location(s): Washington, DC 

Additional Information: Born in in Baltimore, Maryland, Sidney Knight served as an Albert Schweitzer Fellow and a Peace Corps Volunteer in Guatemala. He joined Mary's Center in 2011. Mr. Knight was inspired to become a behavioral health worker by words from a poem by Ralph Waldo Emerson: "To leave the world a bit better, whether by a healthy child, a garden patch or a redeemed social condition; To know even one life has breathed easier because you have lived. This is to have succeeded." Mr. Knight advises his patients to sleep 7 to 8 hours a day when possible, to eat balanced meals and to "get the wiggles out" by doing physical activity for 30 minutes a day. In his free time, he enjoys long distance running, traveling and drinking coffee. 

Dara Koppelman RN, BSN, BA : Chief Nursing Officer

Dara Koppelman RN, BSN, BA

Chief Nursing Officer

Language(s): English, Spanish 

Location(s): Washington, DC 

Education: Nursing degree from Johns Hopkins University, Bachelor's Degree in Psychology and Spanish from the University of Maryland, College Park. 

Additional Information:  Dara Koppelman, Chief Nursing Officer, joined the Mary's Center team in May 2012, where she initially worked as a Nurse Manager at the Georgia Avenue clinic. Prior to coming to Mary's Center, she had experience in both the hospital setting as well as the public health field, working in labor & delivery and then at a local health department doing home visits for high-risk pregnant women and children. Originally from New York, she spent time abroad, doing volunteer work in a community center and farmer's cooperative in Costa Rica, and studying the Spanish language in Spain. Her nursing interests include public health nursing, women's health, nursing leadership, working with underserved populations, and teaching and mentoring nursing students. In her free time, she enjoys going to farmers' markets, doing yoga, traveling, and singing. 

Kelly Krawczyk, MS, PA-C : Physician Assistant

Kelly Krawczyk, MS, PA-C

Physician Assistant

Language(s): English, Spanish 

Location(s): Washington, DC  

Education: Master’s degree from Finch University of Health Sciences 

Additional Information: Ms. Krawczyk joined the Mary’s Center team in August 2015. Prior to starting at Mary’s Center she practiced as a Physician’s Assistant in Chicago for 10 years followed by service as a medical volunteer in Honduras at a project for youth affected by HIV/AIDS. She enjoys spending time with family and friends, exploring cultural events and new restaurants, going to the beach, traveling, volunteering and organizing annual medical brigades in Central America. Ms. Krawczyk says, “I am committed to working with a diverse, multicultural patient population and believe in educating patients to enable them to maintain good health.” 

Vanessa León, LGSW, MSW : Therapist, School Based Mental Health

Vanessa León, LGSW, MSW

Therapist, School Based Mental Health

Language(s): English, Spanish 

Location(s): Washington, DC 

Education: Bachelor of Arts in Psychology from George Mason University and a Master of Social Work from Smith College 

Additional Information: Vanessa León joined Mary’s Center in January 2016. Ms. León believes everyone should take the time to care for themselves in order to continue juggling all the other roles they fill, a belief that motivated her to pursue the field of mental health. As the daughter of Peruvian immigrants, Ms. León feels grateful to utilize her language abilities in an effort to help expand access to such care across diverse communities. In her free time, Ms. León enjoys spending time with family and friends, eating good food, dancing and being outdoors. 

Georgia Z. Lewis, MSN, CPNP-PC : Pediatric Nurse Practitioner

Georgia Z. Lewis, MSN, CPNP-PC

Pediatric Nurse Practitioner

Language(s): English, Spanish 

Location(s): Maryland

Education: BSN and MSN nursing degrees from The Johns Hopkins University School of Nursing 

Additional information: Ms. Lewis is originally from Washington DC, and she learned Spanish in Venezuela. She spent ten years in Portland, OR receiving a BA in Art and working as both a labor and postpartum doula. She incorporates her background as a doula into her practice by helping parents with breastfeeding, maternal-infant bonding, and infant care. She is also interested in pediatric asthma management and has studied methods to increase medication adherence in inner-city communities. Ms. Lewis is committed to providing her patients with comprehensive care and empowering them to make the best healthcare decisions for themselves. She strongly believes that everyone deserves access to quality healthcare and feels lucky to be a part of Mary’s Center and our comprehensive approach to patient care. In her free time Ms. Lewis enjoys biking, doing yoga, hiking with her dog, and attempting to garden in her backyard. 

Erika Lindenberg, LMSW : Therapist

Erika Lindenberg, LMSW

Therapist

Language(s): English, Spanish  

Location(s): Maryland  

Education: Masters in Social Work from the University of North Carolina at Chapel Hill and Bachelor of Arts in Psychology from North Carolina State University 

Additional Information: Erica Lindenberg joined Mary’s Center in July of 2018. Before that, she spent time living in Lima, Peru, where she volunteered at a daycare for under-served families. Her previous experience includes working with adolescents and adults in outpatient, integrated healthcare, and nonprofit settings. She utilizes a person-centered, integrative approach to her work with clients. Erica is grateful to work at an organization that employs a holistic model of care which incorporates the connection between physical and mental health. In her free time, she enjoys reading, trying new restaurants, rock climbing, and traveling. 

Erica Lo, DMD : Dentist

Erica Lo, DMD

Dentist

Language(s):  English 

Location(s): Washington, D.C 

Education: Bachelor of Arts in Chemistry from Bryn Mawr College and Doctor of Dental Medicine from Temple University 

Additional Information: 

She worked as a Philadelphia high school teacher before deciding to combine her love of science with serving people by becoming a dentist. In her free time she enjoys museums, trying new restaurants, and watching cooking shows. 

Courtney Lorraine, MSW : Therapist

Courtney Lorraine, MSW

Therapist

Language(s): English 

Location(s): Washington, DC 

Education: Masters in Social Work from the Catholic University and a BA in Social and Cultural Analysis from New York University 

Additional Information: Courtney Lorraine joined Mary’s Center in 2017. Ms. Lorraine has worked with adults and teens in a variety of settings, including outpatient psychotherapy, substance use treatment, residential horticultural therapy, and girl's empowerment programs. She is passionate about second chances for everyone and loves helping people find their strength to continue growing and changing at every stage of life. She is interested in mindfulness meditation and loves spending time in nature whenever she can. 

Marybeth Mangas, MSW : Therapist

Marybeth Mangas, MSW

Therapist

Language(s): English 

Location(s): Washington, DC 

Education: Bachelor of Science from St. Joseph's University and a Master's in Social Work from New York University 

Additional Information: Marybeth Mangas began working at the Mary's Center in September 2013. She specializes in children's psychotherapy. When discerning her desired career path, Ms. Mangas participated in service immersion programs in New Mexico, the Dominican Republic, and Peru. She advises that self-care become a priority in people's lives because you cannot help others without first taking care of yourself. In her free time, Ms. Mangas enjoys traveling, cooking, listening to music, and spending time with her family and friends.  

Ms. Mangas says: "I have chosen behavioral health as a profession because of my commitment to being a witness to the experiences and feelings of others, because I believe it is so important for us all to know that we are not alone in our journey."   

Maria L. Marquez, MD, FAAP : Medical Director, Fort Totten site

Maria L. Marquez, MD, FAAP

Medical Director, Fort Totten site

Language(s): English, Spanish 

Location(s): Washington, DC 

Residency: Pediatrics Department at Georgetown University 

Additional Information: Before joining Mary’s Center, Dr. Maria L. Marquez she was part of the faculty at Georgetown University Hospital, where she was practicing and teaching since 1999. She has been frequently recognized as a Washingtonian Top Doctor, and developed a medical educator career as Associate Dean of Reflection and Professional Development and Full Professor of the Department of Pediatrics at Georgetown University School of Medicine.  In addition Dr. Marquez has served in the American Academy of Pediatrics (AAP) at national and regional levels; passionately  advocating children's oral health as theirs overall health, as Co-Founders of the District of Columbia’s Oral Health Coalition, and Co-Chair of the Dental-Medical Collaboration group.  She is very proud to be a member of the Mary’s Center team because she values a holistic approach to health. On a personal level she enjoys traveling, music, cooking and going to the museums with her family. 

Karen Mazie, MD, FAAP : Pediatrician

Karen Mazie, MD, FAAP

Pediatrician

Language(s): English, Spanish  

Location(s): Washington, DC  

Education: Wake Forest University’s Medical School 

Residency: Brown University’s Hasbro Children’s Hospital 

Additional Information: Dr. Mazie has been a Mary’s Center pediatrician since November 2004. In her spare time, Dr. Mazie enjoys gardening, good food and spending time with her children. 

Kathleen McNeely, MS, CNS, LN : Nutritionist

Kathleen McNeely, MS, CNS, LN

Nutritionist

Language(s): English, Spanish  

Location(s): Washington, DC 

Education: Master of Nutrition degree from Maryland University of Integrative Health and a Master of Divinity from Harvard Divinity School 

Additional Information: Kathleen McNeely joined Mary’s Center in August 2017 and serves participants at the Fort Totten, Maryland and Georgia locations. Ms. McNeely worked for several years in advocacy and education on international public policy, including food security, international economics and human rights. She has traveled to several countries in Central and South America, East and Southern Africa and South Asia. She developed and taught adult education programs in Guatemala and in Nicaragua. Most recently, Ms. McNeely has worked as a nutritionist in public health settings in Montgomery County and in Northeast Washington DC. Originally from Cleveland Ohio, she has lived in the DC area for 20 years and enjoys music, art and walking around Washington’s museums. 

Ann Mead, RN, BSN, MPH : Nurse Manager

Ann Mead, RN, BSN, MPH

Nurse Manager

Language(s): English, Spanish 

Location(s): Maryland  

Education: Bachelor of Science in Nursing, Master in Public Health in Global health, and a Bachelor of Arts in Exercise Physiology 

Additional Information: Ann Mead joined Mary's Center in 2018. Her nursing experience is in cardiac surgery and in labor and delivery and her passion is for informing patients of healthy pregnancy, birth and postpartum practices, and creating access to and education about health system access. Mary's Center has been the ultimate place to merge a wide range of nursing skills with program and educational experience in an environment that welcomes nurses as leaders and change-makers. When not at work, Ann is completely consumed by her two extremely high-energy yet very adorable young boys. 

Benito R. Mendoza, RN : Triage Nurse

Benito R. Mendoza, RN

Triage Nurse

Language(s): English, Spanish, Guarani, Portuguese, Slovak 

Location(s): Washington, DC  

Education: Nursing degree from Northern Essex Community College 

Additional Information: Born in Concepcion, Paraguay, Mr. Mendoza has lived in a number of countries including Grenada, Slovakia and Latvia. He has been a member of the Mary's Center team since December 2010. In his free time, Mr. Mendoza enjoys traveling and playing tennis, volleyball and soccer. 

Yolima Moncada, MS, FNP-BC : Nurse Practioner

Yolima Moncada, MS, FNP-BC

Nurse Practioner

Language(s): English, Spanish  

Location(s): Maryland 

Education: George Mason University and nursing credential from the American Nurses Credentialing Center 

Additional information: Yolima Moncada joined the Mary’s Center staff in December 2015.Born in Bogota, Colombia, she lived in Panama for many years and her family still resides there. She is fluent in both Spanish and English. She loves running in international marathons, traveling, and spending time with her family. Ms. Moncada says: “After being a nurse in an acute care setting for over 15 years, it is good to work in a primary care setting with an increased emphasis on prevention and health maintenance. I feel truly privileged to practice at Mary’s Center in such a diverse community and to be able to use my culture and language skills to better serve my patients.”   

Simone Montoute, BSN, CNM : Certified Nurse Midwife

Simone Montoute, BSN, CNM

Certified Nurse Midwife

Language(s): English, Spanish 

Location(s): Maryland 

Education: Received US Midwifery Certification at Baystate Medical Center, BSN at Grand Canyon University, currently pursuing her MSN in Public Health ar Grand Canyon University  

Additional Information: Simone Montoute joined our team at Mary’s Center in September 2017, after caring for the women of Florida for 18 years and a short 2 year stint at Providence Hospital. She is a Certified Nurse Midwife, having completed her Nursing and Midwifery training in the United Kingdom. Ms. Montoute is originally from Trinidad and Tobago. She enjoys caring for our diverse population here in DC and Maryland and finding solutions for her patients’ unique concerns. She enjoys entertaining, the theatre and cooking, and is always open to learning new skills. 

Dana Mueller, MD, MBA : Doctor, Director of Adult and Family Medicine

Dana Mueller, MD, MBA

Doctor, Director of Adult and Family Medicine

Language(s): English  

Location(s): Washington, DC  

Specialties: LGBTQ+ health, Senior Care

Education: University of Virginia  

Additional Information: Dr. Mueller enjoys caring for people of all ages, but takes a special interest in aging patients and patients with chronic health conditions, with a mission of helping them receive high-quality care in the context of their overall life goals. She provides gender-affirming medical therapy and will soon be providing medication-assisted therapy for opioid use disorder. Dr. Mueller is a dog parent, kid aunt, book lover, soccer player and cook. 

 

Kelechi Ndubuizu, MD, MPH : Physician

Kelechi Ndubuizu, MD, MPH

Physician

Language(s): English 

Location(s): Washington, DC 

Education: Bachelor of Science from University of Maryland, Baltimore County, Masters of Public Health from University of North Carolina at Chapel HillDuke University’s School of Medicine 

Residency: Carolinas Medical Center in Charlotte, NC 

Additional Information: Dr. Kelechi Ndubuizu is a Board-Certified family medicine physician. Her clinical interests include community medicine, addressing health disparities, teaching, and mentorship. In her free time, Dr. Ndubuizu enjoys traveling, exercising, and spending time with family and friends. 

Michael Nidel, MD : Pediatrician

Michael Nidel, MD

Pediatrician

Language(s): English 

Location(s): Maryland 

Education: BS in Computer Engineering from Penn State University,  BS in Computer Science from Stanford, post-baccalaureate program at University of Maryland, University of Virginia School of Medicine  

Residency: University of North Carolina in Chapel Hill 

Additional Information: Dr. Mike Nidel joined the pediatric team at Mary’s Center in Adelphi in September 2017. One thing he loved about his experience working at medical centers was their commitment to care for ALL patients and families, regardless of their background, beliefs or income. He was thrilled to find a place like Mary’s Center, taking that mission to the next level, providing services that attempt to reach those who otherwise would not have access to them. Outside the office, he loves spending time with his wife and two kids, and enjoys playing soccer, going to see the Washington Capitals hockey team, playing the guitar and singing. He even recorded a full-length rock album all on his own! 

Sarah Spencer Northey, LMFT : Therapist

Sarah Spencer Northey, LMFT

Therapist

Language(s): English, Spanish 

Location(s): Washington, DC 

Education: Master’s of Science from the Couple and Family Therapy program at University of Maryland, College Park 

Additional Information: Sarah Spencer Northey (known as Spencer) is a Licensed Marriage and Family Therapist (LMFT). She joined the Mary’s Center staff in 2014. As a relationally-oriented therapist, she considers how individuals develop and interact within a systems context, whether she is meeting with a family group, a couple, or one-on-one.  Her approach is friendly, curious, and creative. She aims to empower clients by reflecting the strengths that are already within them so that they can achieve their goals as strong, brave, and wholehearted people. Prior to Mary’s Center she worked for a community mental health clinic in Hyattsville, Maryland. 

Rachel Osborn, LICSW, MSW : School Based Mental Health Clinical Manager, Adolescent Programming

Rachel Osborn, LICSW, MSW

School Based Mental Health Clinical Manager, Adolescent Programming

Language(s): English 

Location(s): Washington, DC  

Education: Bachelor of Arts in International Studies from University of North Carolina, Chapel Hill and a Master of Social Work from Catholic University of America 

Additional Information: Rachel Osborn has been a School Based Mental Health Therapist at the Ontario Road site since May of 2013. She specializes in both child and adolescent mental health along with school behavioral health. Ms. Osborn has lived and worked in Southeast Asia & Costa Rica, doing community development and youth empowerment. Through her work at Mary's Center, she strives to combine her love for youth health & wellness, strengthening families, and social change. In her free time, Ms. Osborn enjoys running, hiking, live music, pottery, and playing with her dogs. 

Maria Paige, CAC : Addiction Specialist-Care Coordinator

Maria Paige, CAC

Addiction Specialist-Care Coordinator

Language(s): English, Spanish  

Location(s): Washington, DC 

Education: Recovery Coach Certificate and a Business degree 

Additional Information: Maria Paige has over 20 years of experience in direct service and non-profit management functions. She is an active member of the DC Recovery Advisory Council (DC RAC).  Ms. Paige is works with clients struggling with substance abuse and anger management issues. She is a strong advocate for access to appropriate and affordable treatment for substance use, and reducing the stigma and discrimination associated with the disease. Ms. Paige enjoys engaging people in the process of positive change. Her hobbies are cooking, listening to music and spending time with her dog. 

Ana-Maria Parra, LGSW, MSW : Therapist

Ana-Maria Parra, LGSW, MSW

Therapist

Language(s): English, Spanish 

Location(s): Washington, DC  

Education: Bachelor of Arts in Psychology from The University of Tampa and Master of Social Work from Fordham University 

Additional Information: Ana-Maria Parra joined the Mary’s Center team in May 2017. She was born and raised in Bogota, Colombia. Ms. Parra has experience working in New York City in foster care, as well as providing therapy to children, adolescents and adults. She is passionate about exercising, reading and spending time with her friends and family. As an immigrant herself, Ms. Parra wants to give back to the community by supporting and empowering clients to reach their full potential. 

Marisa A. Parrella, LICSW, LCSW-C, MSW : Director of School Based Mental Health

Marisa A. Parrella, LICSW, LCSW-C, MSW

Director of School Based Mental Health

Language(s): English, Spanish 

Location(s): Washington, DC  

Education: Master's degree in Social Work from the University of Michigan and a Post Graduate Fellowship in Clinical Social Work at the Yale University Child Study Center 

Additional Information: Marisa Parrella joined Mary's Center in February 2014 and specializes in Children's Psychotherapy, Clinical Supervision and Program Management. Ms. Parrella is a Licensed Independent Clinical Social Worker in (D.C.) and a Licensed Clinical Social Worker (Maryland). She was born in Boston to immigrant parents from Italy. Ms. Parrella enjoys running, hiking, cooking, reading and travel and believes that deep breathing helps to maintain good mental health.  

MsParrella says: "Caring for your mental health is as important as caring for your physical health. Mary's Center services strive to improve overall wellness of individuals, families, and communities." 

Amy Pennington, CPNP : Pediatric Nurse Practitioner

Amy Pennington, CPNP

Pediatric Nurse Practitioner

Stephanie Pope, MD : Pediatrician

Stephanie Pope, MD

Pediatrician

Language(s): English, Spanish 

Location(s): Washington, DC 

Education: Bachelor of Arts in Ecology and Evolutionary Biology from Princeton University, Medical degree from the University of Maryland 

Residency: Georgetown University 

Additional Information: Dr. Stephanie Pope especially enjoys working with children with special health care needs and adolescents. Dr. Pope says: "I am grateful that I can work as part of a large experienced multi-disciplinary team to help patients overcome social and economic barriers to accessing quality health care with dignity. It is absolutely possible to attain social change through medicine and good health". In her free time, Dr. Pope enjoys mentoring students, exploring museums with her son and husband, experiencing new cultures, science fiction, and pupusas. 

Giuliana Gonzalez Portillo, MSN, RN, CRN-PC : Pediatric Nurse Practitioner

Giuliana Gonzalez Portillo, MSN, RN, CRN-PC

Pediatric Nurse Practitioner

Language(s): English, Spanish 

Location(s): Washington, DC  

Education: Georgetown University and the University of Pennsylvania 

Additional Info: Ms. Gonzalez Portillo joined Mary’s Center in October 2015. Her research on “Primary Care Interventions to Reduce Childhood Obesity in Latino Children” was published in National Association of Nurse Practitioner’s Journal of Pediatric Health Care. Born and raised in Honduras in a loving military family, she was inspired by her parents’ dedication to serving others. She is active in her church and serves in various ministries. She also enjoys CrossFit, weight training and running, as well as cooking, especially Thai and Asian dishes! Ms. Gonzalez says: “I am passionate about working with underserved populations. I am determined to help curb social disparities and am committed to giving every single one of my patients the best of myself. I am delighted to be part of the Mary’s Center’s Team and to helping to advance our mission.”   

Tyna Queen-Persad, PA : Physician Assistant

Tyna Queen-Persad, PA

Physician Assistant

Language(s): English 

Location(s): Washington, DC 

Education: Bachelor of Science-Physician Assistant with a Certificate of Primary Care, magna cum laude, from Howard University 

Additional Information: Tyna Queen-Persad is an experienced OB/Gyn Physician Assistant. She has worked at institutions including Catholic University, Providence Hospital, Prince Georges Community Hospital and Holy Cross Hospital.  She is licensed in the District of Columbia and Maryland and is also Certified by the National Commission on Certification of Physician Assistants. 

Zeke Reich, LICSW, MSW : Therapist

Zeke Reich, LICSW, MSW

Therapist

Language(s): English, Spanish 

Location(s): Washington, DC 

Education: Master's in Social Work from The Catholic University of America 

Additional Information: Zeke Reich has worked at Mary's Center since August 2014. He specializes in individual and group therapy with adults, teens and childrenMr. Reich draws on several approaches including Acceptance and Commitment Therapy, Schema Therapy, Dialectical Behavior Therapy, and play therapy. His goal at Mary's Center is to help people heal from the past, let go of worries about the future, and become their most liberated selves in the present. His advice to clients is "Come in and talk to someone! You don’t have to go through this alone." When not at work, Mr. Reich spends his time parenting, writing, and meditating. 

Kristina Rivera, MS, RDN : Nutritionist

Kristina Rivera, MS, RDN

Nutritionist

Language(s): English, Spanish  

Location(s): Washington, DC  

Education: BS in Nutrition & Dietetics from the University of Puerto Rico and an MS in Nutrition Education from CSU-Chico  

Additional Information: Native to Puerto Rico, Kristina Rivera joined Mary’s Center in August 2017, where she serves participants at Georgia, Ontario & Ft Totten locations. Kristina regards the nutrition counseling process as a two-way street and strives to spark the internal motivation to change within participants rather than telling them what to do. She enjoys weekend trips to the local farmer’s markets, tinkering in the kitchen, and taking long walks with her dog. 

Joseph Rizk, DMD : Chief Dental Officer

Joseph Rizk, DMD

Chief Dental Officer

Language(s): English 

Location(s): Washington, DC 

Education:Temple University’s Kornberg School of Dentistry

Additional Information:  

Dr. Rizk joined the Mary's Center team in October 2012 and enjoys traveling and playing sports in his free time. Dr. Rizk says: "Having grown up outside of Detroit, I chose to work at Mary's Center to help out underserved communities. I love bringing a relaxed and pleasant experience to every patient I see." 

Rebecca Roberts, CPNP, PhD : Pediatric Nurse Practitioner

Rebecca Roberts, CPNP, PhD

Pediatric Nurse Practitioner

Language: English  

Location: Washington, DC 

Education: University of Minnesota and Johns Hopkins University 

Other Information: Dr. Robert has been a member of the Mary's Center team since June 2007. She has lived and worked in Guatemala, Peru, Nicaragua, and several areas of the United States. Her research interest is childhood nutrition. In her spare time, Dr. Robert enjoys biking, gardening, and spending time with family and friends. Dr. Roberts says: "I work at Mary's Center because of the diverse population it serves and its commitment to quality care." 

Nina Rosenberg, LGSW, MSW : Therapist, School Based Mental Health

Nina Rosenberg, LGSW, MSW

Therapist, School Based Mental Health

Language(s): English 

Locations(s):  Washington, DC 

Specialties: Children, LGBTQ+ youth 

Education: Masters of Social Work from University of Maryland, Baltimore and Bachelors of Science in Sociology from College of Charleston 

Additional Information: Nina joined the School Based Mental Health team at Mary’s Center in July 2019. She feels that Mary’s Center’s values and Social Change Model are aligned with the values and ethics of social work and values that are intrinsic to her. Diversity, valuing and honoring each individual, community and holistic practice are all things that make Mary’s Center unique and an amazing place to work. In her spare time she enjoys cooking, impromptu dancing around her house, spending time with family and friends, meditating, and travelling. 

Georgette Saad, LICSW, MSW : Senior Early Childhood Manager

Georgette Saad, LICSW, MSW

Senior Early Childhood Manager

Language(s): English, Spanish 

Location(s): Washington, DC 

Education: Bachelor's of Social Work from New York University and a Masters of Social Work from University of Maryland 

Additional Information: Georgette Saad joined the Mary's Center team in June 2012. Ms. Saad is of Bolivian and Lebanese background. She is greatly enjoying her time at Mary's Center, growing and connecting with families from all over DC in many unique ways. She lives by these inspirational words from author Paulo Coelho and wants to share them with her patients: "If you only walk on sunny days, you will never reach your destination". During her free time, she stays active by hiking, kayaking, and yoga, but also enjoys baking, reading, doing jigsaw puzzles, and playing with her dogs. 

Katherine Saavedra, MSHS, MPH, PA-C : Medical Director at Ontario Road site

Katherine Saavedra, MSHS, MPH, PA-C

Medical Director at Ontario Road site

Language(s): English, Spanish 

Location(s): Washington, DC 

Specialties: Family Care, LGBTQ+ Health 

Education: Dual Masters of Science in Physician Assistant Studies and Masters of Public Health (Community-Oriented Primary Care concentration) from The George Washington University 

Additional Information: Ms. Saavedra joined Mary’s Center in September 2015 because she believes in the mission of providing high-quality, holistic healthcare to all community members regardless of their ability to pay. She is very proud to be a part of the amazing team of providers at Mary’s Center! Ms. Saavedra worked as a medical volunteer in underserved communities in Southern Spain and the DC metro area. She is an associate clinical professor in the GW Physician Assistant program, advising future PAs about the importance of understanding patients in the context of their social, cultural, and economic circumstances. In her free time, she enjoys cooking great meals, hiking or just being outdoors, and spending time with her family, friends, and dog. 

Ariste Sallas-Brookwell, MSW, LGSW : Maternal Mental Health Coordinator and Therapist 

Ariste Sallas-Brookwell, MSW, LGSW

Maternal Mental Health Coordinator and Therapist 

Language(s): English 

Location(s): Washington, DC 

Education: Bachelor of Arts in Gender & Health and Political Science from the University of Michigan, Ann Arbor, Master of Social Work from the Catholic University of America, post-graduate training program in psychodynamic psychotherapy at the Washington School of Psychiatry  

Additional Information: Ariste (Ari) Sallas-Brookwell began working as a Mental Health Therapist with Mary’s Center in April 2018. She works with children, adolescents, and adults. Ms. Sallas-Brookwell says, “I love being a social worker because it allows me to be a partner and witness to clients on the path to healing, growth, and empowerment. It’s remarkable to see clients realize their own resilience and strengths.” 

Gabriela Santamaria, MSN, CPNP-PC : Pediatric Nurse Practitioner

Gabriela Santamaria, MSN, CPNP-PC

Pediatric Nurse Practitioner

Language(s): English, Spanish 

Location(s): Washington, DC 

Education: Thomas Jefferson University School of Nursing 

Additional info: Gabriela Santamaria jointed the Mary’s Center team in February 2015. Born in San Salvador, El Salvador, but raised in Pennsylvania, Ms. Santamaria speaks Spanish and English. She loves dancing salsa, merengue and bachata, as well as traveling and spending time with her family and her dog. Ms. Santamaria says: “When I moved to DC, I wanted to be at a health center where I could work with and care for families of different cultures and backgrounds - Mary’s Center is just that place. I enjoy working at Mary’s Center and I am privileged to work alongside members of the healthcare team who work hard every day to ensure quality and safe medical care to all.   

Jessica Schroeder, MD, MPH, FAAP : Director of Pediatrics, Associate Medical Director, Ontario Road site

Jessica Schroeder, MD, MPH, FAAP

Director of Pediatrics, Associate Medical Director, Ontario Road site

Language(s): English, Spanish 

Location(s): Washington, DC 

Education:  Medical degree from VCU School of Medicine 

Residency: Children's National Medical Center 

Additional Information: Dr. Schroeder has been a member of the Mary's Center team since 2002. She has lived in Washington, D.C. since 1999 and has three children - all born at home. In her free time, Dr. Schroeder enjoys running, gardening, and hiking. Dr. Schroeder says: "I love coming to work every day to see my patients grow and change. I also really enjoy helping children feel better when they are sick. We have great staff here and wonderful patients.”

Siomara Segovia, RN, BSN : Nurse Manager, Adelphi

Siomara Segovia, RN, BSN

Nurse Manager, Adelphi

Language: English, Spanish 

Location: Maryland 

Education: Catholic University of Maryland 

Other Information: Miss. Segovia has been a member of the Mary's Center team since April 2013. In her spare time, she likes to satisfy her "travel bug" through travel and enjoys activities related to the outdoors. Ms. Segovia says: "I chose Mary's Center because of the holistic approach to health. I love to work with communities and build their health and knowledge." 

Begona Cortina Segurola : Therapist, School Based Mental Health

Begona Cortina Segurola

Therapist, School Based Mental Health

Language(s): English, Spanish, Basque  

Location(s): Washington, DC  

Additional Information: Begoña Cortina was born in Bilbao, Spain. She joined Mary’s Center in August 2016. Ms. Cortina feels grateful to be able to work cross culturally in a diverse environment. She is a firm believer in team work and greatly appreciates the supportive environment at Mary’s Center. In addition, she feels lucky to work in a setting inspired by César Chávez, and will not hesitate to paraphrase one her favorite quotes from the civil rights activist and community organizer: “From the depth of need and despair, people can work together, can organize themselves to solve their own problems and fill their own needs with dignity and strength”. 

Leah Shoval, RN, IBCLC : Director of Care Coordination

Leah Shoval, RN, IBCLC

Director of Care Coordination

Language(s): English, Hebrew 

Location(s): Washington, DC  

Education: BA in Psychology and Photojournalism from Boston University, BSN from Georgetown University 

Additional Information: Leah Shoval has been a member of the Mary’s Center team since 2015. Before entering the medical field, she spent years art directing for an international advertising and PR firm where she primarily focused on healthcare and social marketing campaigns. She is currently pursuing her MSN in Pediatric Primary Care at Duke University. Excited to be at the forefront of innovation in healthcare delivery in her role at Mary’s Center, Leah is passionate about lactation, maternal-child health and helping patients navigate the healthcare system. Leah finds as much time as possible to spend with her three beautiful children, husband and friends, staying active around all of DC’s family-friendly hotspots. 

Jillian Shropshire, MSW : Therapist, School Based Mental Health

Jillian Shropshire, MSW

Therapist, School Based Mental Health

Language(s): English, Spanish 

Location(s): Washington DC 

Education: Bachelor of Arts in Spanish from Loyola University Maryland and a Master of Social Work from Boston College 

Additional Information:  Jillian Shropshire joined Mary’s Center in December 2015 as a Post-Release Services Case Manager, working with recently-arrived unaccompanied minors and their families as they adjust to their new homes. Inspired by her clients’ strength and resiliency and with a greater understanding of the need for mental health services in schools, she transitioned to the SchoolBased Mental Health team in March 2018. Ms. Shropshire has lived and worked in Honduras as a teacher. Her clients’ resiliency and strength inspires her. In her free time, she enjoys spending time with friends, cooking, reading, knitting, traveling, and practicing yoga. 

Carolina Sierra, MS : Nutrition Services Coordinator

Carolina Sierra, MS

Nutrition Services Coordinator

Language(s): EnglishSpanish  

Location(s): Washington, DC 

Education: BS in Agro-Industrial Engineering, with a focus on Food Science and a Master of Science and Integrative Health at Maryland University of Integrative Health 

Additional Information: Originally from Venezuela, Carolina obtained a BS in Agro-Industrial Engineering, with a focus on Food Science. After moving to the U.S and seeing firsthand detrimental food habits, she decided to seek her Master of Science and Integrative Health at Maryland University of Integrative Health in Laurel, MD. She is a food enthusiast that believes that although positive connections with food start from an early age, they can be practiced at various ages. “Healthy habits are learned gradually and should not be rushed, in the contrary, they should be embraced and experienced as when eating a chocolate ice cream”.  

Rachel Skalina, MD, FAAP : Pediatrician

Rachel Skalina, MD, FAAP

Pediatrician

Language(s): English, Spanish 

Location(s): Washington, DC 

Education: University of Pennsylvania, University of Colorado school of Medicine  

Residency: Children’s National  

Additional Information: Dr. Rachel Skalina is a board-certified pediatrician and joined Mary's Center full-time in 2017. Dr. Skalina is interested in the social determinants of health and finding ways to ameliorate toxic stress in order to help all children lead healthy, fulfilling futures, and chose Mary's Center in part for its holistic approach to caring for patients and their families. In her free time, she loves cooking, skiing, and exploring the outdoors with her dog. 

Daniel Smith, MD : Doctor, Director of Addiction Services

Daniel Smith, MD

Doctor, Director of Addiction Services

Language(s): English 

Location(s): Washington, DC 

Specialties: Family Health, LGBT+ HealthGeriatric Health, Addiction 

Education: University of Pennsylvania School of Medicine, Swedish First Hill Family Medicine at the Downtown Public Health Center (residency) 

Additional Information:  After his undergraduate studies at the University of Virginia, Dr. Smith worked as a high school teacher in Anacostia, DC. Dr. Smith has had very rewarding medical experiences working and volunteering in Peru, Guatemala, Haiti and Malawi. In his free time, Dr. Smith enjoys spending time with his wife and 2 children, hiking, fishing and cheering on University of Virginia sports teams! Dr. Smith says: “I chose to do my residency at a community health center and now work at Mary’s Center because I wholeheartedly believe access to high-quality health care is something that all people are entitled to regardless of their native language, immigration status, skin color or ability to pay. We are all neighbors and should work together to promote the health of our communities!” 

Wendy Sobey, CNM, MS : Certified Nurse Midwife

Wendy Sobey, CNM, MS

Certified Nurse Midwife

Language(s): English 

Location(s): Washington, DC, Maryland 

Education: State University of New York at Downstate 

Additional Information: Ms. Sobey has been a midwife for 25 years and joined the Mary's Center team in 2006 and previously worked in New York and Arizona. In her free time, Ms. Sobey enjoys swimming in the ocean, yoga, tennis, zumba, traveling, and spending time with her two children. Ms. Sobey says: "I think the [health care] providers at Mary's Center give the highest quality of care that I have ever seen in the many places I've worked. I am happy to be a member of this caring crew." 

Brooke Spencer, FNP-C : Health Homes and Employee Health

Brooke Spencer, FNP-C

Health Homes and Employee Health

Language(s): English  

Location(s): Washington, DC 

Education: Georgetown University  

Additional Information: Family nurse practitioner Brooke Spencer joined Mary's Center in October, 2013. Ms. Spencer is originally from Virginia. When not at work, Ms. Spencer enjoys bike riding, running local races, reading, having brunch with friends, exploring the city, and traveling. "I am local to the area and enjoy giving back to DC. Mary's Center is a great place to work and wonderful resource for the community. I am honored to be a part of the team." 

Jennifer Steiger, LMSW : Therapist, School Based Mental Health

Jennifer Steiger, LMSW

Therapist, School Based Mental Health

Language(s): English, Spanish  

Location(s): Maryland  

Education: Bachelors in Music Education at Ithaca College, Masters in Social Work with a clinical concentration at Catholic University  

Additional Information: Jennifer Steiger joined Mary's Center in June 2018. She previously worked at a primary school teaching general music and at an alternative school for at-risk youth. Ms. Steiger's passion for the performing arts coupled with her teaching background allow her to work with and relate to children and adolescents in a unique manner. She also loves to cook, rock climb, do yoga, and travel the world. 

Colin Stewart, MD : Psychiatrist

Colin Stewart, MD

Psychiatrist

Dr. Colin Stewart is a Child, Adolescent, and Adult Psychiatrist at Mary’s Center. He is also the Training Director for the Child and Adolescent Residency Training Program as well as the Clerkship Director for the Georgetown School of Medicine’s psychiatry clerkship. He provides clinical care, including seeing individuals and families for psychotherapy, and directs a clinic dedicated to the assessment and treatment of ADHD and affect dysregulation. Dr. Stewart teaches and supervises medical students, psychiatry residents, and child and adolescent psychiatry fellows at Mary’s Center and at Georgetown. He is very interested in promoting diversity and inclusion in medical education and has served on the Association of American Medical Colleges’s Group for Diversity and Inclusion and the American Academy of Child and Adolescent Psychiatry’s Diversity and Culture Committee. 

Marlorie Stinfil, MD, FAAP : Associate Medical Director, Petworth site

Marlorie Stinfil, MD, FAAP

Associate Medical Director, Petworth site

Dr. Marlorie Stinfil is a board certified pediatrician who has been a member of the Mary's Center team since March 2009. She sees patients at the Mary's Center site on Georgia Avenue in Petworth, D.C. Born and raised in New York City, she attended medical school at the Weill Medical College of Cornell University and completed her residency at New York University Langone Medical Center. Dr. Stinfil speaks English and medical Spanish. In her free time, Dr. Stinfil enjoys baking, listening to music and traveling. Dr. Stinfil says: "I chose to work at Mary's Center because I wanted to work for an organization that provided wrap-around care (medical/behavioral/dental/social) to patients of all walks of life regardless of their ability to pay." 

Claire Taylor, MSW, LGSW :

Claire Taylor, MSW, LGSW

Claire Taylor is a School-Based Mental Health Therapist at Harriet Tubman Elementary School.  Before receiving a Masters of Social Work degree from Catholic University of America and joining Mary’s Center in 2017, Ms. Taylor spent the better part of a decade as a parent advocate when her children were enrolled in DC Public Schools. Claire also has a background in journalism, which she believes has served her well in social work. She says: “Everyone has a story to tell; every client inspires me in some way.”  Ms.  Taylor is also a martial artist, an avid reader and traveler who loves to be with her kids, friends, and many pets. 

Derejew Tessema, DDS :

Derejew Tessema, DDS

Dr. Derejew Tessema joined Mary’s Center in September 2016. However, his relationship to Mary’s Center dates back to 2006, when he and his family used to receive care at the Center. Now, he serves his patients with the same care, respect and love he received. Dr. Tessema is from Ethiopia and speaks English and Amharic, which helps him eliminate access barriers for the larger Ethiopian diaspora around DC. He enjoys working with the diverse patient population at Mary’s Center. He initially graduated with an architecture degree from Addis Ababa University and a postgraduate diploma in project management from Wits University in South Africa and practiced as an architect and engineer for about 13 years. He then decided to become a dentist and graduated with a biology degree from the University of the District of Columbia and a Doctor of Dental Surgery degree from the University of Maryland School of Dentistry in Baltimore. He was the recipient of the Dr. Henry S. Hohouser Memorial Scholarship and the Champion of Excellence Award at UMB. He also received the American Academy of Oral and Maxillofacial Radiology Award and the American Association of Oral and Maxillofacial Surgeons Dental Implant Student Award. 

Letizia Valentín-Friebele, MD, FAAP :

Letizia Valentín-Friebele, MD, FAAP

Dr. Letizia Valentín-Friebele joined Mary’s Center in September 2017 and see participants at the Georgia Avenue location.  Born and raised in Manhattan, New York, she earned a Bachelor’s Degree in Art History from Fordham University.  She later received her Medical Degree from Howard University College of Medicine and completed her pediatric residency at INOVA Fairfax.  She is fluent in both English and Spanish.  Prior to entering the medical field, she was formally trained as a dancer and singer, and remains an enthusiast of the performing arts.  During her free time she enjoys, spending time with her husband and family and going for runs with her dog. 

Katherine Vazquez : Dental Hygienist

Katherine Vazquez

Dental Hygienist

Daniel Veiga, LGPC :

Daniel Veiga, LGPC

Daniel Veiga is a Mental Health Therapist based Mary’s Center’s behavioral health center on Kalorama Road. He joined the team in June 2017. He is a Licensed Graduate Professional Counselor in Washington, DC and holds a Bachelor of Science in Psychology with a minor in Spanish from Tennessee State University, and a Masters of Education in Counseling Psychology from Lehigh University. Mr. Veiga has worked with various populations including children, adolescents, families, and individuals with co-occurring disorders. He also started his own mentoring business, with the focus on mentoring young Black males in seeking alternative educational pursuits.  In his free time, he enjoys singing, traveling, reading, swimming, rooting for DC area sports teams, and spending time with friends and family.  

Rowena Wan, DDS : Dentist

Rowena Wan, DDS

Dentist

Language(s): English

Location(s): Washington, D.C

Education: New York University College of Dentistry

Additional Information:

 Dr. Wan has broad-based experience working as a general dentist in diverse settings, from private practice to community-based clinics. After practicing for several years in the New York Metropolitan Area, she moved to Washington, DC and is excited to join the dental team at Mary’s Center. Dr. Wan likes to stay current with the latest dental technology and developments in dental practice by taking Continuing Education courses and seminars. In her free time, Dr. Wan enjoys finding the best restaurants around town. 

Robin Watkins, CNM, WHNP-BC : Certified Nurse Midwife

Robin Watkins, CNM, WHNP-BC

Certified Nurse Midwife

Language(s): English  

Location(s): Washington, DC  

Specialties: LGBT+ health  

Education: Master of Science in Nursing, Midwifery, and Women's Health Nurse Practitioner from Georgetown School of NursingBS in Nursing and Public Health from John Hopkins University  

Additional Information: When Ms.Watkins is not at Mary’s Center, she works for Power to Decide, the folks behind Bedsider and One Key Question®, as the Director of Health Care creating and enhancing patient and provider resources, delivering trainings, building a system of support for providers, and creating opportunities for providers to connect with and learn from each other. When she is not talking sex, placing IUDs or asking One Key Question, you can find her riding her bike on the streets of DC or eating ice cream for dinner. 

Claudia White : Dental Hygienist

Claudia White

Dental Hygienist

Language(s): English 

Location(s): Washington, DC 

Education: Bachelors of Science at Howard University and Dental Hygienist degree at Howard University College of Dentistry 

Additional Information:

She enjoys traveling, and spending quality time with her friends and family.  Claudia says that she loves to feel as though she is making an impact not only in the lives of her patients but the community as a whole on the importance of dental health. 

Katie Williams, RN, BSN, MHS : Healthy Start Program Manager

Katie Williams, RN, BSN, MHS

Healthy Start Program Manager

Language(s): English  

Location(s): Washington DC 

Education: Nursing degree from Georgetown University, Master’s in Health Science from the Johns Hopkins School of Public Health, Bachelor’s in Nutritional Science from Boston University 

Additional Info: Katie Williams joined the organization in May 2015 working in clinic management for her first four years and transitioning to the Home Visiting team in 2019. She brings with her international experience in program evaluation, clinical research, reproductive health, and bedside nursing. In her free time, Katie enjoys spending time with her two young children and husband outside, cooking new recipes, traveling, and being outside for any reason. Katie is thrilled to serve in a position that beautifully encapsulates her educational background, her professional skills, and her passion for community health. 

 

Mildred Holmes Williams, MSW : Senior Director of Behavioral Health

Mildred Holmes Williams, MSW

Senior Director of Behavioral Health

Mildred Holmes Williams joined the Mary’s Center team in August 2015. Ms. Williams, who is originally from Connecticut, studied English at the University of Connecticut at Storrs and did her Masters in Social Work at Howard University. Prior to Mary’s Center, Ms. Williams held several high-level positions at agencies in Washington, DC, Maryland and Virginia. She was Deputy Director of the Department of Mental Health in the District Of Columbia; Chief of Adult Mental Health and Substance Abuse Services for Montgomery County, Maryland; and Director of the Arlington County Department Of Mental Health Services in Virginia. In her free time, she enjoys playing tennis, running and listening to music. Ms. Williams says: “Mary’s Center is known for its inclusion and team approach to service delivery. Providing services to multi-ethnic populations and communities is an important part of my work”. 

Elizabeth Wolfe,  LICSW, MSW :

Elizabeth Wolfe, LICSW, MSW

Elizabeth Wolfe began working for Mary's Center October 2013, specializing in behavioral health, trauma and PTSD, depression, and anxiety. She holds a Bachelor of Arts from the Courtauld Institute of Art and a Masters of Social Work from Smith College. She also completed clinical internships at Walter Reed National Military Medical Center and The University of Maryland Taghi Modarressi Center for Infant Study. She sees participants at the Ontario Road location. Her message to everyone is that "Reaching out for help can be scary, but do it. You'll be glad you did." Ms. Wolfe is proficient in both English and Spanish, and enjoys cooking, reading, traveling, biking, and watching movies. 

Ms. Wolfe says: "At Mary's Center we have a wonderful team of dedicated, talented clinicians who make my job fun." 

Gelane Workneh, MD, FAAP : Clinical Clerkship Lead

Gelane Workneh, MD, FAAP

Clinical Clerkship Lead

Board Certified in pediatrics, Dr. Workneh joined Mary’s Center in August 2015 and is based at our Georgia Avenue location. She was born and raised in Addis Ababa, Ethiopia, and speaks Amharic and English. Dr Workneh studied medicine at the University of Illinois and completed her residency at the University of Chicago. Before moving to the DC area, she spent three and a half years in Botswana and Ethiopia, working in pediatric HIV care and treatment. When she is not working, Dr. Workneh enjoys fixing things around her house, gardening, traveling, and finding hidden music and art venues in the area. Dr Workneh says: It is quite humbling to be part of a team that advocates for communities that do not usually have voices and provides quality healthcare and ancillary and essential support to families.”  

Jessica Yoo, DMD : Dentist

Jessica Yoo, DMD

Dentist

Language(s): English, Korean 

Location(s): Washington, D.C 

Education: Temple University’s Kornberg School of Dentistry  

Additional Information: 

While in school, she provided high-quality dental care to patients in Pennsylvania and remote villages in Haiti. She loves to dance, whether it’s waltz, kpop, swing, or jazz, and spend time with friends and family, which includes a menacing pup and an older dog that gets fed up with the menacing pup. 

Paige Zaitlin, MS, RD, LD :

Paige Zaitlin, MS, RD, LD

WIC Nutritionist Paige Zaitlin is a Registered Dietitian, a Licensed Nutritionist in the District of Columbia, and a Licensed Dietitian-Nutritionist in Maryland. Ms. Zaitlin holds a BS in Nutritional Science from Cornell University. She obtained an MS in Nutrition from Tufts University, where she also completed her dietetic internship. She joined Mary's Center in March 2014 and sees participants at the site on Georgia Avenue in Washington, D.C. Ms. Zaitlin enjoys fat -free Greek yogurt as a snack and says making vegetables half of your meal is a good idea. She loves spinning, yoga, cooking, painting, reading, traveling and playing with her puppy, Oliver. She served in the Peace Corps in Uganda, East Africa, in 2013. Ms. Zaitlinsays: "I chose to work in healthcare because I feel that every person is entitled to know how to feed themselves and their family nutritious foods. I like giving back, and I am interested in helping our Mary's Center population with their nutritional needs through WIC."