Wai Cheung Warren, Choy M.D.Attending PhysicianInternal Medicine Education: UC Davis School of MedicineMain Office:415-833-2239 Kaiser Permanente 2238 Geary Blvd 6th Floor San Francisco, CA 94115 Clinic Intersts:internal medicine and primary care.Certification: Board Certified in Internal Medicine Hospital Affiliations:San Francisco Medical Center