Colonoscopy

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Displaying 1-8 out of 8 doctors available

Last Name Initial: K

  1. Allon Kahn, M.D.

    Allon Kahn, M.D.

    1. Gastroenterologist
    1. Phoenix, AZ
    Areas of focus:

    Radiofrequency ablation, Upper endoscopy, Colonoscopy, Esophageal dilation, Endoscopic mucosal resection, Cryotherapy, ...Dysphagia, Gastroesophageal reflux disease, Achalasia, Eosinophilic esophagitis, Esophagitis, Barrett's esophagus, Esophageal cancer, Esophageal stricture

  2. Purna C. Kashyap, M.B.B.S.

    Purna C. Kashyap, M.B.B.S.

    1. Gastroenterologist
    1. Rochester, MN
    Areas of focus:

    Colonoscopy, Esophageal dilation, Pelvic floor dysfunction, Irritable bowel syndrome, Gastrointestinal disorder, Mitoch...ondrial disease, Gastroparesis

  3. Mike G. Kattah, M.D., Ph.D.

    Mike G. Kattah, M.D., Ph.D.

    1. Gastroenterologist
    1. Rochester, MN
    Areas of focus:

    Upper endoscopy, Colonoscopy, Inflammatory bowel disease, Celiac disease, Microscopic colitis, Ulcerative colitis, Croh...n's disease

  4. Sahil Khanna, M.B.B.S., M.S.

    Sahil Khanna, M.B.B.S., M.S.

    1. Gastroenterologist
    1. Rochester, MN
    Areas of focus:

    Upper endoscopy, Colonoscopy, Flexible sigmoidoscopy, Fecal transplant, Inflammatory bowel disease, Diarrhea, C. diffic...ile infection, Functional dyspepsia, Constipation, Functional bowel disorder

  5. Jami A. Kinnucan, M.D.

    Jami A. Kinnucan, M.D.

    1. Gastroenterologist
    2. Women's Health Specialist
    1. Jacksonville, FL
    Areas of focus:

    Upper endoscopy, Colonoscopy, Flexible sigmoidoscopy, Pregnancy, Inflammatory bowel disease, Microscopic colitis, Ulcer...ative colitis, Crohn's disease

  6. John B. Kisiel, M.D.

    John B. Kisiel, M.D.

    1. Gastroenterologist
    1. Rochester, MN
    Areas of focus:

    Colonoscopy, Colon cancer, Pancreatic cancer, Inflammatory bowel disease, Colon polyps, Gallbladder cancer

  7. Andree H. Koop, M.D.

    Andree H. Koop, M.D.

    1. Gastroenterologist
    1. Jacksonville, FL
    Areas of focus:

    Upper endoscopy, Colonoscopy, Flexible sigmoidoscopy, Dysphagia, Gastroesophageal reflux disease, Achalasia, Eosinophil...ic esophagitis, Barrett's esophagus, Esophageal stricture

  8. Vivek Kumbhari, M.B., Ch.B., Ph.D.

    Vivek Kumbhari, M.B., Ch.B., Ph.D.

    1. Gastroenterologist
    2. Bariatrician
    1. Jacksonville, FL
    Areas of focus:

    Colonoscopy, ERCP, Endoscopic ultrasound, Balloon-assisted enteroscopy, Intragastric balloon procedure, Transoral outle...t reduction, Endoscopic GI leak procedure, Endoscopic sleeve gastroplasty, Peroral endoscopic myotomy, Endoscopic mucosal resection, Endoscopic submucosal dissection, Endoscopic full-thickness resection, Transoral incisionless fundoplication, Colon cancer, Gastroesophageal reflux disease, Pancreatic cancer, Achalasia, Obesity, Pancreatitis, Gastrointestinal disorder, Gastrointestinal bleeding, Barrett's esophagus, Esophageal cancer, Gastrointestinal varices, Gallstones, Gastroparesis, Pancreatic cyst, Polyp, Gastrointestinal perforation, Pancreatic neuroendocrine tumor, Gallbladder cancer, Zenker's diverticulum, Gastrointestinal stromal tumor, Gallbladder polyp, Pancreatic insufficiency, Pancreatic disorder

Research

Mayo Clinic researchers are advancing the science and practice of colonoscopy to improve detection, preparation, comfort and outcomes for people undergoing colorectal cancer screening or evaluation of colonic conditions.

Mayo Clinic Comprehensive Cancer Center meets the strict standards for a U.S. National Cancer Institute comprehensive cancer center. These standards recognize scientific excellence and a multispecialty approach focused on cancer prevention, diagnosis and treatment.

Mayo Clinic is conducting numerous clinical trials that explore new tools, technologies and approaches in colonoscopy and related areas.

Publications

See a list of publications about colonoscopy by Mayo Clinic doctors on PubMed, a service of the National Library of Medicine.

Research Profiles

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By Mayo Clinic Staff

Colonoscopy care at Mayo Clinic

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AboutCare at Mayo Clinic
Feb. 06, 2026
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  1. U.S. Preventive Services Task Force. Screening for colorectal cancer: U.S. Preventive Services Task Force Recommendation Statement. JAMA. 2021; doi:10.1001/jama.2021.6238.
  2. 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.
  3. Colorectal cancer early detection, diagnosis, and staging. https://www.cancer.org/cancer/types/colon-rectal-cancer/detection-diagnosis-staging.html. American Cancer Society. Accessed Jan. 16, 2026.
  4. A-Rahim YI, et al. Bowel preparation before colonoscopy in adults. https://www.uptodate.com/contents/search. Accessed Jan. 16, 2026.
  5. Colonoscopy. National Institute of Diabetes and Digestive and Kidney Diseases. https://www.niddk.nih.gov/health-information/diagnostic-tests/colonoscopy. Accessed Jan. 16, 2026.
  6. Lee L, et al. Overview of colonoscopy in adults. https://www.uptodate.com/contents/search. Accessed Jan. 16, 2026.
  7. Knudsen AB, et al. Colorectal cancer screening: An updated modeling study for the U.S. Preventive Services Task Force. JAMA. 2021; doi:10.1001/jama.2021.5746.
  8. Colonoscopy. American College of Gastroenterology. https://gi.org/topics/colonoscopy/. Accessed Jan. 16, 2026.
  9. American Society for Gastrointestinal Endoscopy. Guidelines for endoscopy in pregnant and lactating women. Gastrointestinal Endoscopy. 2012; doi:10.1016/j.gie.2012.02.029.
  10. Can you have a colonoscopy when you're menstruating? International Center for Global Health Information. https://www.icgi.org/can-you-have-a-colonoscopy-if-youre-menstruating/. Accessed Jan. 16, 2026.
  11. Health Education & Content Services. About your colonoscopy. Mayo Clinic; 2018.

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Colonoscopy