Dr. Timothy E. Ritter is a gastroenterologist in Southlake, Texas. He received his medical degree from University of Texas Southwestern Medical School and has been in practice for more than 20 years. Dr. Timothy E. Ritter has expertise in treating colonoscopy, upper gi endoscopy, inflammatory bowel disease (ibd), among other conditions - see all areas of expertise. Dr. Timothy E. Ritter accepts Medicare, Aetna, Humana, Blue Cross, United Healthcare - see other insurance plans accepted. Dr. Timothy E. Ritter is highly recommended by patients.