Physician Assistants

Mable Dunn, PA-C

Physician Assistant Mable Dunn has practiced Family Medicine on Mary's Center's Mama and Baby Bus since January 2012. She speaks English, Spanish, and Cantonese (Chinese) and earned her degree at George Washington University. 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.



Daniela Da Rocha, MPA

Daniela Da Rocha is an adult medicine physician assistant at our Georgia Avenue location in Petworth. Ms. Da Rocha earned a Masters of Physician Assistant Studies at Eastern Virginia Medical School and 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 speaks Spanish and Portuguese. 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.



Kelly Krawczyk, MS, PA-C

Ms. Krawczyk holds a Master’s degree from Finch University of Health Sciences in North Chicago, Illinois. As a Physician Assistant, she specializes in Family Medicine.  She joined the Mary’s Center team in August 2015 and sees patients at the Georgia Avenue site. 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. Ms. Krawczyk speaks English and Spanish. 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.”


Tyna Queen-PersadTyna Queen-Persad, PA (Women's Health)

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. Ms. Persad holds a  Bachelor of Science-Physician Assistant with Certificate of Primary Care, magna cum laude, from Howard University. She is licensed in the District of Columbia and Maryland and is also Certified by the National Commission on Certification of Physician Assistants.



Katherine Saavedra, MSHS, MPH, PA-C

Ms. Saavedra is a Family Practice Physician Assistant at our Ontario Road location in Adams Morgan, Washington DC. She joined the organization 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, who speaks English and Spanish, holds a Dual Masters of Science in Physician Assistant Studies and Masters of Public Health (Community-Oriented Primary Care concentration) from The George Washington University. Prior to coming to Mary’s Center, she 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.


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