Yeong An, Sheu M.D.Attending PhysicianGastroenterology Internal Medicine Education: National Taiwan University College of MedicineMain Office:626-289-5688 Advanced GI Consultants 811 E 11th St #208 Pomona, CA 91766 Certification: Board Certified in Gastroenterology, Internal Medicine Additional Office: 4314 W. Victory Boulevard Burbank, CA 91505 Additional Office: 811 E. 11th St., Suite 208, Upland, CA, 91786 (909) 982-2279 Hospital Affiliations:San Antonio Regional Hospital