Maria Chang, MD, is a gastroenterologist at Oklahoma City-based Digestive Disease Specialists.
Dr. Chang earned her medical degree from Manila, Philippines-based University of the East College of Medicine. She completed a residency at New York City-based State University of New York and a fellowship at Memphis-based University of Tennessee.
She specializes in treating gastroesophageal reflux disease and irritable bowel syndrome, among others.
Dr. Chang also performs upper and lower endoscopy procedures.