Huan C., Guu M.D.Attending PhysicianInternal Medicine Education: Drexel Medical College of PennsylvaniaMain Office:949-229-1219 Dr. Ryan Tran and Dr. Huan Guu 15333 Culver Dr #340 Irvine, CA 92604 Clinic Intersts:internal medicine and primary care.Hospital Affiliations: ChildrenĄ¯s Health Orange County (CHOC) Mission Hospital Mission Viejo