Dr. Alexander A. Chang is an internal medicine/pediatric specialist in San Francisco, California and is affiliated with multiple hospitals in the area, including California Pacific Medical Center-Pacific Campus and California Pacific Medical Center-Van Ness Campus. He received his medical degree from Rush Medical College of Rush University Medical Center and has been in practice between 11-20 years. Dr. Alexander A. Chang has expertise in treating obesity, hypertension & high blood pressure, anxiety disorders, among other conditions - see all areas of expertise. Dr. Alexander A. Chang accepts Medicare, Aetna, Humana, Blue Cross, United Healthcare - see other insurance plans accepted.