Harry W., Ou M.D.Attending PhysicianGeneral Surgery Education: Albert Einstein College of MedicineMain Office:909-464-9119 Casa Colina Surgery Center 255 E. Bonita Ave. Bldg. 3B Pomona, CA 91767 Clinic Intersts:colonoscopy, gastroenterology, general surgery, hernia repair, laparoscopic surgery, minimally invasive surgery, upper endoscopy.Certifications:American College of Surgery and Society of American Gastrointestinal and Endoscopic Surgery.