Doctors Mayo Clinic has one of the largest and most experienced practices in the United States, with campuses in Arizona, Florida and Minnesota. Staff skilled in dozens of specialties work together to ensure quality care and successful recovery. 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Even if there are no auto-suggestions within the search field, hit "Search" anyway, as you may still get results. Displaying 131-140 out of 179 doctors available Bret T. Petersen, M.D. Internist Gastroenterologist Rochester, MN Areas of focus: Upper endoscopy, ERCP Michael F. Picco, M.D., Ph.D. Gastroenterologist Jacksonville, FL Areas of focus: Inflammatory bowel disease, Diarrhea, Ulcerative colitis, Crohn's disease Gui Piovezani Ramos, M.D. Gastroenterologist Phoenix, AZ Areas of focus: Upper endoscopy, Colonoscopy, Flexible sigmoidoscopy, Microscopic colitis, Ulcerative colitis, Crohn's disease, Immune-...related adverse event Show more areas of focus for Gui Piovezani Ramos, M.D. Surakit Pungpapong, M.D. Transplant Hepatologist Jacksonville, FL Areas of focus: Liver transplant, Post-transplant long-term care, Pre-transplant evaluation, Hepatic encephalopathy, Liver cancer, Hepa...tocellular carcinoma, Cirrhosis, Hepatitis B, Nonalcoholic fatty liver disease, Primary biliary cholangitis, Cholangiocarcinoma, Primary sclerosing cholangitis, Portal hypertension, Liver disease, Alcoholic hepatitis, Hepatopulmonary syndrome, Viral hepatitis Show more areas of focus for Surakit Pungpapong, M.D. Laura E. Raffals, M.D. Gastroenterologist Rochester, MN Areas of focus: Inflammatory bowel disease, Ulcerative colitis, Crohn's disease, Pouchitis Elizabeth Rajan, M.D. Gastroenterologist Rochester, MN Areas of focus: Upper endoscopy, Endoscopic ultrasound, Balloon-assisted enteroscopy, Capsule endoscopy Francisco C. Ramirez, M.D. Internist Gastroenterologist Phoenix, AZ Areas of focus: Upper endoscopy, Colon cancer Karthik Ravi, M.D. Internist Gastroenterologist Rochester, MN Areas of focus: Gastroesophageal reflux disease, Achalasia, Eosinophilic esophagitis, Esophageal spasms Douglas L. Riegert-Johnson, M.D. Internist Gastroenterologist Medical Geneticist Jacksonville, FL Areas of focus: Upper endoscopy, Colonoscopy, Fecal transplant, Chromoendoscopy, Pancreatic cancer, Familial adenomatous polyposis, Lyn...ch syndrome Show more areas of focus for Douglas L. Riegert-Johnson, M.D. Lewis R. Roberts, M.B., Ch.B., Ph.D. Gastroenterologist Rochester, MN Areas of focus: Hepatocellular carcinoma Pagination Doctor search PrevPrevious Page Go to page 1212 Go to page 1313 Go to page 1414 Go to page 1515 Go to page 1616 NextNext Page Learn more about the Mayo Clinic Department of Gastroenterology and Hepatology location nearest you: Gastroenterology and Hepatology in Rochester, Minnesota Gastroenterology and Hepatology in Jacksonville, Florida Gastroenterology and Hepatology in Scottsdale, Arizona Request an appointment Conditions treatedDoctors by location and specialty Feb. 05, 2026 Share on: FacebookTwitter Mayo Clinic in Rochester, Minnesota, has been recognized as the best Gastroenterology & GI Surgery hospital in the nation by U.S. News & World Report. Learn more about this top honor Gastroenterology and HepatologyDepartmenthomeSectionsOverviewTests & proceduresConditions treatedDoctorsDoctors by location and specialtySpecialty groupsExpertise & rankingsClinical trialsResearchPatient storiesCosts & insuranceNews from Mayo ClinicReferrals SectionsRequest an AppointmentOverviewTests & proceduresConditions treatedDoctorsDoctors by location and specialtySpecialty groupsExpertise & rankingsClinical trialsResearchPatient storiesCosts & insuranceNews from Mayo ClinicReferrals ORG-20308333 Medical Departments & Centers Gastroenterology and Hepatology