Westerville Medical Associates provides internal medicine and primary care for adults on Africa Road in Westerville, with a team of four physicians — Drs. Dorado, Kwong, Prabhu, and Sen. On-site walk-in lab draws are available most weekday mornings, adding convenience for patients who need routine bloodwork. As part of COPC — Ohio's largest physician-owned primary care network — patients also have access to SameDay Centers for after-hours sick care. Accepting new patients.