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 111-120 out of 174 doctors available Daniel B. Maselli, M.D. Gastroenterologist Rochester, MN Areas of focus: Colonoscopy, Endoscopic sleeve gastroplasty, Intragastric balloon procedure, Upper endoscopy, Endoscopic mucosal resect...ion, Transoral outlet reduction, Endoscopic biopsy, Endoscopic re-cellularization via electroporation therapy, Endoscopic dilation, Obesity, Constipation, Colon polyps, Colonic dysmotility, Esophageal varices, Gastroesophageal reflux disease, Gastrointestinal bleeding, Diarrhea, Gastrointestinal fistula, Metabolic syndrome, Esophageal stricture, Fatty liver disease, Gastrointestinal infection Show more areas of focus for Daniel B. Maselli, M.D. Laurence J. Miller, M.D. Internist Gastroenterologist Phoenix, AZ Areas of focus: Pancreatic neuroendocrine tumor, Zollinger Ellison Syndrome Omar Y. Mousa, M.B.B.S., M.D. Transplant Hepatologist Jacksonville, FL Areas of focus: Liver transplant, Post-transplant long-term care, Pre-liver transplant evaluation, Nonalcoholic fatty liver disease, Ci...rrhosis, Cholangiocarcinoma, Alcoholic hepatitis, Acute liver failure, Hepatic encephalopathy Show more areas of focus for Omar Y. Mousa, M.B.B.S., M.D. Joseph A. Murray, M.D. Internist Gastroenterologist Rochester, MN Areas of focus: Celiac disease, Achalasia Vandana Nehra, M.D. Gastroenterologist Rochester, MN Areas of focus: Gastrointestinal disorder, Nutrition (Healthy eating) Cuong C. Nguyen, M.D. Gastroenterologist Phoenix, AZ Areas of focus: Endoscopic ultrasound, Upper endoscopy, ERCP, Gastroesophageal reflux disease Nicholas R. Oblizajek, M.D. Gastroenterologist Rochester, MN Areas of focus: Endoscopic procedure, Colonoscopy, Anorectal function testing, Breath testing, Anorectal manometry, Esophagoscopy, Pelv...ic floor dysfunction, Gastroparesis, Constipation, Gastroesophageal reflux disease, Functional dyspepsia, Diarrhea, Functional bowel disorder Show more areas of focus for Nicholas R. Oblizajek, M.D. Philip N. Okafor, M.B.B.S. Gastroenterologist Jacksonville, FL Areas of focus: Colonoscopy, Flexible sigmoidoscopy, Fecal transplant, Upper endoscopy, Capsule endoscopy, Fecal incontinence, Polyp, I...rritable bowel syndrome, Gastroesophageal reflux disease, Helicobacter pylori infection, Anemia, Chronic constipation, Chronic diarrhea Show more areas of focus for Philip N. Okafor, M.B.B.S. Jody C. Olson, M.D. Hepatologist Rochester, MN Areas of focus: Cirrhosis, Alcoholic liver disease, Hepatitis C, Primary sclerosing cholangitis, Hepatitis B, Portal hypertension, Hemo...chromatosis, Alcoholic hepatitis, Autoimmune hepatitis, Hepatocellular carcinoma, Wilson's disease, Hepatopulmonary syndrome, Primary biliary cholangitis, Polycystic liver disease, Fontan-associated liver disease Show more areas of focus for Jody C. Olson, M.D. Amy S. Oxentenko, M.D. Internist Gastroenterologist Rochester, MN Areas of focus: Celiac disease, Peptic ulcer, Gastrointestinal disorder, Malabsorption syndrome, Gastritis Pagination Doctor search PrevPrevious Page Go to page 1010 Go to page 1111 Go to page 1212 Go to page 1313 Go to page 1414 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 July 19, 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