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 1-4 out of 4 doctors available Location: Jacksonville, FL Last Name Initial: L Brian E. Lacy, M.D. Gastroenterologist Neurogastroenterologist Jacksonville, FL Areas of focus: Bravo capsule pH test, Upper endoscopy, Colonoscopy, Gastrointestinal transit study, Esophageal manometry, Anorectal ma...nometry, Gastric emptying study, Breath testing, Impedance pH monitoring test, pH testing, Pelvic floor dysfunction, Dysphagia, Gastroesophageal reflux disease, Irritable bowel syndrome, Small intestinal bacterial overgrowth, Achalasia, Functional dyspepsia, Constipation, Gastroparesis, Indigestion, Intestinal pseudo-obstruction, Visceral pain Show more areas of focus for Brian E. Lacy, M.D. Michele D. Lewis, M.D. Gastroenterologist Jacksonville, FL Areas of focus: Upper endoscopy, Colonoscopy, Flexible sigmoidoscopy, PEG-J tube placement, Variceal band ligation, Endoscopic biopsy, ...Pancreatitis, Cystic fibrosis, Genetic disorder, Pancreatic cyst, Pancreatic insufficiency, Pancreatic disorder Show more areas of focus for Michele D. Lewis, M.D. Nicole M. Loo, M.D. Internist 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 C, Hepatitis B, Nonalcoholic fatty liver disease, Primary biliary cholangitis, Cholangiocarcinoma, Primary sclerosing cholangitis, Liver mass, Acute liver failure, Liver disease, Autoimmune hepatitis, Alcoholic hepatitis, Hepatopulmonary syndrome, Fatty liver disease Show more areas of focus for Nicole M. Loo, M.D. Frank J. Lukens, M.D. Gastroenterologist Jacksonville, FL Areas of focus: Upper endoscopy, Colonoscopy, Endoscopic retrograde cholangiopancreatography, Capsule endoscopy, Double balloon enteros...copy, Single balloon enteroscopy, Gastroesophageal reflux disease, Pancreatic cancer, Pancreatitis, Gastrointestinal bleeding, Colon polyps, Gastrointestinal varices, Gallstones, Pancreatic cyst, Pancreatic insufficiency, Pancreatic disorder, Chronic gastrointestinal bleeding, Small bowel stricture, Obscure gastrointestinal bleeding, Small bowel angiodysplasia, Small bowel AVM Show more areas of focus for Frank J. Lukens, M.D. 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