A few examples of well-known gastroenterologists are Edgar Achkar, M.D. of Cleveland Clinic, Paul K. Anderson M.D. of Dallas Diagnostic Association and John I. Allen, M.D., M.B.A. of Minnesota Gastroenterology, Minneapolis, according to Becker's ASC Review. The review lists 75 of the best gastroenterologists in America.
Dr. Edgar Achkar is the director of the American College of Gastroenterology Institute and the vice chairman of the Digestive Disease Institute at the Cleveland Clinic, as of 2010. He earned his medical degree in Lebanon and completed his residency and fellowship at the Lahey Clinic. Dr. Paul K. Anderson earned his medical degree from Tulane University and is on the medical staff of the Ambulatory Endoscopy Clinic of Dallas. Dr. John I. Allen is chair of the board of the Institute for Clinical Systems Improvement in Minnesota. In addition to a medical degree from University of New Mexico, he holds a master of business administration degree in medical group management from the University of St. Thomas in St. Paul.