Dr. Henry Chang is a California state licensed medical doctor, specializing in Internal Medicine. Graduated Magna Cum Laude from Western University of Health Sciences, completed residency training in Pacific Hospital of Long Beac, Dr. Chang's clinical interests include internal medicine and primary care. Dr. Chang currently is working at Optum Care, located in 2707 East Valley Blvd #208 West Covina CA 91792 Dr. Chang's clinic interests include internal medicine and primary care. Please call +1-626-581-0486 to contact. Access cdoc101.com on a desktop computer to view more details. | |||