Dr. Paul Buse

Michael Presti is a Gastroenterologist in Saint Louis, Missouri. Dr. Presti is rated as an Advanced provider by MediFind in the treatment of Intestinal Pseudo-Obstruction. His top areas of expertise are Intestinal Pseudo-Obstruction, Biliary Dyskinesia, Crohn's Disease, Colostomy, and Gastrostomy.

Gregory Sayuk is a Gastroenterologist in Saint Louis, Missouri. Dr. Sayuk is rated as a Distinguished provider by MediFind in the treatment of Intestinal Pseudo-Obstruction. His top areas of expertise are Irritable Bowel Syndrome (IBS), Chronic Idiopathic Constipation (CIC), Diarrhea, Colostomy, and Colonoscopy.

Jeffrey Mathews, MD, is committed to providing his patients with a wide range of gastroenterology services in a compassionate and timely manner at Gateway Gastroenterology, in Chesterfield, Missouri. He is board-certified in gastroenterology and hepatology.Dr. Mathews is a life-long St. Louisan. He attended the University of Missouri – Kansas City Six-Year Medical School Program before going on to complete his fellowship in gastroenterology and hepatology at St. Louis University.Making every effort to stay up-to-date on the latest advancements in his field, Dr. Mathews maintains active memberships with the American Society of Gastrointestinal Endoscopy and the American College of Gastroenterology.At Gateway Gastroenterology, Dr. Mathews designs treatment plans unique to his patients' needs and concerns. He takes time to clearly communicate his treatment recommendations and encourages them to play an active role in their health care. Dr. Mathews is rated as an Advanced provider by MediFind in the treatment of Intestinal Pseudo-Obstruction. His top areas of expertise are Painful Swallowing, Swallowing Difficulty, Barrett Esophagus, Gastrectomy, and Endoscopy.