Sony Mathews is a board-certified gastroenterologist with Texas Digestive Disease Consultants in McKinney. To see more about Dr. Sony Mathews visit https://tddctx.com/staff/dr-sony-mathews/ As a gastroenterologist in McKinney, Dr. Mathews treats patients with IBS, IBD, GERD, digestive issues and helps prevent colon cancer with colonoscopies.