Dr. Ashby Thomas is a gastroenterologist in New Hyde Park, New York and is affiliated with multiple hospitals in the area, including Long Island Jewish Medical Center at Northwell Health and North Shore University Hospital at Northwell Health. He received his medical degree from Weill Cornell Medicine and has been in practice between 11-20 years. Dr. Ashby Thomas has expertise in treating colonoscopy, upper gi endoscopy, inflammatory bowel disease (ibd), among other conditions - see all areas of expertise. Dr. Ashby Thomas accepts Medicare, Aetna, Humana, Cigna, Blue Cross, United Healthcare - see other insurance plans accepted. Dr. Ashby Thomas is highly recommended by patients.