Dennis, Chang M.D.Attending PhysicianFamily Medicine Education: Keck School of Medicine of USCMain Office:626-254-9540 Optum Care 624 W Duarte Rd #102 Arcadia, CA 91007 Clinic Intersts:family medicine and primary care.Certification: Board Certified in Family Medicine Hospital Affiliations: HealthCare Partners IPA - Arcadia Physician Associates IPA - Methodist