Dr. John T Chang specializes in internal medicine in Los Angeles area. Dr. John T Chang has a medical practice at 200 Medical Plaza Driveway, #365, Los Angeles CA, and has over 21 years of experience in the field of medicine. He graduated from Northwestern University Medical School with his medical degree in 1996. Dr. Chang is accepting new patients at his medical office and practice location in Los Angeles, California. He is available for appointments, preventative care, medical care as well as ongoing patient care.