Dr. Chang is a licensed Internal Medicine in CA. Medical degree obtained from National Taiwan University College of Medicine. Completed residency training at PennState Hershey. Currently practices at Kaiser Permanente (Kaiser Permanente), located at 770 East Calaveras Blvd, Milpitas, CA 95035. Dr. Chang specializes in internal medicine and primary care.. In addition to English, Dr. Chang speaks Taiwanese and Mandarin.