Dr. John Frese is a gastroenterologist in New London, Connecticut and is affiliated with Lawrence and Memorial Hospital and Coastal Digestive Care Center. He received his medical degree from University of Connecticut and has been in practice for more than 20 years. Dr. John Frese has expertise in treating colonoscopy, upper gi endoscopy, inflammatory bowel disease (ibd), among other conditions - see all areas of expertise. Dr. John Frese accepts Medicare, Aetna, Blue Cross, United Healthcare - see other insurance plans accepted. Dr. John Frese is highly recommended by patients.