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Dr. Maria C. Chang, M.D. is board certified in Gastroenterology and Internal Medicine. She had her Internal Medicine residency training at the State University of New York at Stony Brook, New York. She had her Gastroenterology training at the University of Tennessee in Memphis.
As a GI doctor in OKC, Dr. Chang manages and treats several gastrointestinal diseases, including gastroesophageal reflux disease, peptic ulcer disease, intestinal dysmotility, irritable bowel syndrome, inflammatory bowel disease, liver problems, among others.
She does upper and lower GI endoscopies including colonoscopy for colon cancer screening.
