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Departments with related expertise Cancer Care at Mayo Clinic Colon and Rectal Surgery Critical Care Early Onset and Hereditary GI Cancers Program Gastroenterology and Hepatology Pediatric Hematology/Oncology Doctors who perform this procedure Edit search filters close Narrow your search By location Rochester, MN 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 active 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 Find a doctor 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 Find a doctor whose last name begins with the letter K K 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 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 There are no doctors 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 Find a doctor 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 1-2 out of 2 doctors available Location: Jacksonville, FL Last Name Initial: C David J. Cangemi, M.D. Gastroenterologist 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, Dysphagia, Pelvic floor dysfunction, Gastroparesis, Intestinal pseudo-obstruction, Constipation, Irritable bowel syndrome, Gastroesophageal reflux disease, Nonulcer stomach pain, Diarrhea, Functional dyspepsia, Functional bowel disorder, Heartburn, Small intestinal bacterial overgrowth Show more areas of focus for David J. Cangemi, M.D. Johanna L. Chan, M.D. Gastroenterologist Jacksonville, FL Areas of focus: Colonoscopy, Flexible sigmoidoscopy, Upper endoscopy, Constipation, Colon polyps, Gastroesophageal reflux disease, Gast...rointestinal bleeding, Peptic ulcer, Diarrhea Show more areas of focus for Johanna L. Chan, M.D. By Mayo Clinic Staff Request an appointment About Feb. 28, 2024 Print Show references Colonoscopy. National Institute of Diabetes and Digestive and Kidney Diseases. https://www.niddk.nih.gov/health-information/diagnostic-tests/colonoscopy. Accessed April 1, 2022. Lee L, et al. Overview of colonoscopy in adults. https://www.uptodate.com/contents/search. Accessed April 1, 2022. AskMayoExpert. Colorectal cancer: Screening and management (adult). Mayo Clinic; 2021. Screening for colorectal cancer: U.S. Preventive Services Task Force Recommendation Statement. Journal of the American Medical Association. 2021; doi:10.1001/jama.2021.6238. A-Rahim YI. Bowel preparation before colonoscopy in adults. https://www.uptodate.com/contents/search. Accessed April 1, 2022. Gupta S, et al. Recommendations for follow-up after colonoscopy and polypectomy: A consensus update by the U.S. Multi-Society Task Force on Colorectal Cancer. Gastroenterology. 2020; doi:10.1053/j.gastro.2019.10.026. Khanna S (expert opinion). Mayo Clinic. April 4, 2022. Related Anal fissure Anal itching Anemia Carcinoid tumors Clear liquid diet Colon cancer Colon cancer screening: At what age can you stop? 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Dec. 07, 2022, 07:47 p.m. CDT Show more news from Mayo Clinic Products & Services A Book: Future Care A Book: Mayo Clinic on Digestive Health Show more products and services from Mayo Clinic Mayo Clinic in Rochester, Minnesota, has been recognized as the best Gastroenterology & GI Surgery hospital in the nation for 2024-2025 by U.S. News & World Report. Learn more about this top honor ColonoscopyAboutDoctors&Departments PRC-20393555 Patient Care & Health Information Tests & Procedures Colonoscopy