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Marie Pennanen MD

Breast Surgeon

Dr. Marie Pennanen, Director of the Chevy Chase Breast Center, is one of the most knowledgeable breast surgeons in the metropolitan Washington area. She has over twenty years of experience and has treated women from all over the world. Dr. Pennanen received her Bachelor of Science degree, magna cum laude, from Georgetown University and her Medical Degree with honors from New Jersey Medical School. She has been inducted into Phi Beta Kappa, Psi Chi (the international honor society in psychology) and Alpha Omega Alpha (the national medical honor society). She completed her surgical residency at George Washington University Medical Center where she received an award for research, and then joined the faculty at Georgetown University Medical Center and the Lombardi Cancer Center. As an Associate Professor of Surgery, she has been involved in research on the diagnosis, treatment and prevention of breast cancer, including ones supported by the prestigious National Cancer Institute. She is the author of numerous medical articles regarding breast cancer. She has received grants for her innovative programs which teach our next generation of doctors about comprehensive breast cancer care. Her passion is taking care of women with breast cancer, high risk for breast cancer or benign breast disease, one woman at a time, by providing state-of-the-art, personalized, compassionate care.


Dr. Pennanen is board certified by the American Board of Surgery and is a Fellow of the American College of Surgeons. She is a member of the American Society of Breast Surgeons. She is affiliated with Georgetown University Hospital, as well as Sibley Memorial and Suburban Hospitals in the Johns Hopkins Medicine System. She has been consistently recognized by her peers as one of Washington's Top Doctors in the field of Breast Surgery in Washingtonian magazine, and by her patients through the Patient's Choice Award. She is proud to be the 2012 Honoree of Living in Pink, a foundation dedicated to the search for a cure for breast cancer. In additional to giving lectures to the medical community, she has been featured on multiple television and radio programs related to breast cancer.


Dr. Pennanen and her husband live in Washington, DC with their four children. In her free time she enjoys spending time with her family, classical music concerts, hikes through Rock Creek Park and beyond, and baking Italian and Finnish family recipes.

Marie F. Pennanen, M.D., F.A.C.S.

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