Welcoming new patients. Located near Capitol Hill SE on Pennsylvania Ave. in Washington, D.C. Schedule an appointment to see an internist. Our internal and family medicine doctors are to here to help you establish your baseline of health and note any changes. In addition to routine health screenings and checkups, our doctors and nurse practitioners will keep you up to date on vaccines and help you manage a chronic condition or disease, including diabetes, cardiovascular disease, and hypertension.