Dr. Chang is a licensed Internal Medicine in CA. Graduated in 2007. Medical degree obtained from Western University of Health Sciences. Completed residency training at Pacific Hospital of Long Beac. Currently practices at Optum Care (Optum Care), located at 2707 East Valley Blvd, West Covina, CA 91792. Dr. Chang specializes in internal medicine and primary care.. In addition to English, Dr. Chang speaks Mandarin, Taiwanese, and Cantonese.
