Tanya, Tan M.D.Attending PhysicianInternal Medicine Education: Georgetown University School of MedicineMain Office:202-588-1878 Comprehensive Primary Care 8455 Colesville Rd #1125 Silver Spring, MD 20910 Clinic Intersts:internal medicine and primary care.Additional Office: 2639 Connecticut Ave., Suite C100, Washington, DC 20008, 202-588-1878