Print Departments and specialties 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. Departments that treat this condition Family Medicine Gastroenterology and Hepatology Areas that research this condition Family Medicine Research Doctors who treat this condition Edit search filters close Narrow your search By location Jacksonville, FL By last name There are no doctors 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 There are no doctors whose last name begins with the letter D D There are no doctors whose last name begins with the letter E E There are no doctors whose last name begins with the letter F F There are no doctors whose last name begins with the letter G G There are no doctors whose last name begins with the letter H H There are no doctors whose last name begins with the letter I I There are no doctors whose last name begins with the letter J J There are no doctors whose last name begins with the letter K K active Find a doctor whose last name begins with the letter L L There are no doctors whose last name begins with the letter M M There are no doctors whose last name begins with the letter N N There are no doctors whose last name begins with the letter O O There are no doctors whose last name begins with the letter P P There are no doctors whose last name begins with the letter Q Q There are no doctors whose last name begins with the letter R R Find a doctor whose last name begins with the letter S S There are no doctors whose last name begins with the letter T T There are no doctors whose last name begins with the letter U U There are no doctors whose last name begins with the letter V V There are no doctors whose last name begins with the letter W W There are no doctors whose last name begins with the letter X X There are no doctors whose last name begins with the letter Y Y There are no doctors whose last name begins with the letter Z Z 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 1-1 out of 1 doctors available Last Name Initial: L Brian E. Lacy, M.D., Ph.D. Gastroenterologist Neurogastroenterologist Jacksonville, FL Areas of focus: Colonoscopy, Upper endoscopy, Gastric emptying study, Gastrointestinal transit study, Esophageal manometry, Breath test...ing, Anorectal manometry, Impedance pH testing, Bravo capsule pH test, pH testing, Dysphagia, Pelvic floor dysfunction, Gastroparesis, Intestinal pseudo-obstruction, Constipation, Irritable bowel syndrome, Indigestion, Achalasia, Gastroesophageal reflux disease, Functional dyspepsia, Small intestinal bacterial overgrowth, Visceral pain Show more areas of focus for Brian E. Lacy, M.D., Ph.D. ResearchResearchers at Mayo Clinic are working to develop improved treatments for functional indigestion. Researchers in the Enteric Neuroscience Program are studying the mechanics of the digestive system, including nerve reflexes between the stomach and the brain. Other areas of research include the role of genetics in indigestion and the use of new medicines to reduce stomach sensitivity. PublicationsSee a list of publications about indigestion by Mayo Clinic doctors on PubMed, a service of the National Library of Medicine. Another term for indigestion is dyspepsia. By Mayo Clinic Staff Indigestion care at Mayo Clinic Request an appointment Diagnosis & treatmentCare at Mayo Clinic July 03, 2025 Print Related Digestion: How long does it take? Swallowing gum: Is it harmful? Associated Procedures Acupuncture Cognitive behavioral therapy CT scan Hypnosis Upper endoscopy X-ray Show more associated procedures Products & Services A Book: Mayo Clinic on Digestive Health IndigestionSymptoms&causesDiagnosis&treatmentDoctors&departmentsCare atMayoClinic CON-20166945 Diseases & Conditions Indigestion