Lei W., Choi M.D.Attending PhysicianInternal Medicine Education: Duke University School of MedicineMain Office:415-353-7999 UCSF Health 1701 Divisadero St #500 San Francisco, CA 94115 Clinic Intersts:internal medicine and primary care.Certifications: Board Certified in Internal Medicine Office Hours: M-F, 8 a.m. - 5 p.m.