Shihyen, Hsu M.D.Attending PhysicianAnesthesiology Pain Management Education: UC San Diego School of MedicineMain Office:800-823-4040 Kaiser Permanente 9333 E. Imperial Hwy. Downey, CA 90242 Certification:Board Certified in Anesthesiology ½ΣΚά±£ΟΥ: Exclusive Provider Organization (EPO),HMO,Medi-Cal Managed Care,Point-of-Service Plan (POS),Senior Advantage