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. Find doctors and medical staff: Edit search filters close Narrow your search Doctor's Name, Condition Or Procedure By location Rochester, MN Phoenix/Scottsdale, AZ Jacksonville, FL By last name Find a doctor whose last name begins with the letter A A Find a doctor whose last name begins with the letter B B Find a doctor whose last name begins with the letter C C Find a doctor whose last name begins with the letter D D Find a doctor whose last name begins with the letter E E Find a doctor whose last name begins with the letter F F Find a doctor whose last name begins with the letter G G Find a doctor whose last name begins with the letter H H Find a doctor whose last name begins with the letter I I Find a doctor whose last name begins with the letter J J Find a doctor whose last name begins with the letter K K Find a doctor whose last name begins with the letter L L Find a doctor whose last name begins with the letter M M Find a doctor whose last name begins with the letter N N Find a doctor whose last name begins with the letter O O Find a doctor whose last name begins with the letter P P There are no doctors whose last name begins with the letter Q Q Find a doctor whose last name begins with the letter R R Find a doctor whose last name begins with the letter S S Find a doctor whose last name begins with the letter T T Find a doctor whose last name begins with the letter U U Find a doctor whose last name begins with the letter V V Find a doctor whose last name begins with the letter W W There are no doctors whose last name begins with the letter X X Find a doctor whose last name begins with the letter Y Y There are no doctors whose last name begins with the letter Z Z By conditions treated No results found By procedures performed No results found By spoken language No results found Reset all filters Search Tips Use quotes for phrases. 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 176 doctors available Michael F. Picco, M.D., Ph.D. Gastroenterologist Jacksonville, FL Areas of focus: Crohn's disease, Inflammatory bowel disease, Ulcerative colitis, Diarrhea Gui Piovezani Ramos, M.D. Gastroenterologist Phoenix, AZ Areas of focus: Colonoscopy, Flexible sigmoidoscopy, Upper endoscopy, Crohn's disease, Ulcerative colitis, Microscopic colitis, 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, Pre-transplant evaluation, Post-transplant long-term care, Cholangiocarcinoma, Primary sclerosing cho...langitis, Hepatitis B, Hepatocellular carcinoma, Primary biliary cholangitis, Nonalcoholic fatty liver disease, Cirrhosis, Alcoholic hepatitis, Hepatopulmonary syndrome, Liver disease, Liver cancer, Hepatic encephalopathy, Portal hypertension, Viral hepatitis Show more areas of focus for Surakit Pungpapong, M.D. Laura E. Raffals, M.D. Gastroenterologist Rochester, MN Areas of focus: Crohn's disease, Inflammatory bowel disease, Ulcerative colitis, Pouchitis Elizabeth Rajan, M.D. Gastroenterologist Rochester, MN Areas of focus: Upper endoscopy, Endoscopic ultrasound, Capsule endoscopy, Balloon-assisted enteroscopy 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, Eosinophilic esophagitis, Achalasia, Esophageal spasms Douglas L. Riegert-Johnson, M.D. Internist Gastroenterologist Medical Geneticist Jacksonville, FL Areas of focus: Colonoscopy, Upper endoscopy, Fecal transplant, Chromoendoscopy, Pancreatic cancer, Lynch syndrome, Familial adenomatou...s polyposis 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 Barry G. Rosser, Jr., M.D. Internist Transplant Hepatologist Jacksonville, FL Areas of focus: Liver transplant, Pre-transplant evaluation, Post-transplant long-term care, Cholangiocarcinoma, Primary sclerosing cho...langitis, Hepatocellular carcinoma, Primary biliary cholangitis, Nonalcoholic fatty liver disease, Cirrhosis, Autoimmune hepatitis, Alcoholic hepatitis, Hepatopulmonary syndrome, Liver disease, Liver cancer, Hepatic encephalopathy Show more areas of focus for Barry G. Rosser, Jr., M.D. 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 Dec. 05, 2025 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