His areas of expertise include knee problems, osteoporosis, and fibromyalgia. He has received a 5.0 out of 5 star rating by his patients. Dr. Chang takes several insurance carriers, including Blue Cross/Blue Shield, Blue Cross Blue Shield EPO, and Blue Cross Blue Shield Bronze. He attended the University of Miami, Miller School of Medicine and subsequently trained at a hospital affiliated with Baylor College of Medicine for residency. Dr. Chang speaks Spanish. He is affiliated with Baptist Hospital.