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.

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Displaying 11-15 out of 15 doctors available

  1. Kellie L. Mathis

    Kellie L. Mathis

    1. General Surgeon
    2. Colon and Rectal Surgeon
    1. Rochester, MN
    Areas of focus:

    Colonoscopy, Robotic surgery, Colorectal surgery, Flexible sigmoidoscopy, Colectomy, Rectal prolapse surgery, Proctecto...my, Ileostomy surgery, Intraoperative radiation therapy, Colostomy, J-pouch surgery, Coloanal anastomosis, Anorectal surgery, Laparoscopic surgery, Polyp, Inflammatory bowel disease, Polyposis syndromes, Colon cancer, Ulcerative colitis, Lynch syndrome, Hemorrhoids, Fistula, Pelvic floor defecatory dysfunction, Anal cancer, Colon polyps, Anorectal abnormality, Rectal cancer, Carcinoid tumor, Constipation, Diverticulitis, Pouchitis, Abscess, Rectal prolapse, Anal fissure, Anal fistula, Familial adenomatous polyposis, Vaginal fistula, Recurrent cancer, Pelvic floor dysfunction

  2. Philip N. Okafor, M.B.B.S., M.D.

    Philip N. Okafor, M.B.B.S., M.D.

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

    Colonoscopy, Flexible sigmoidoscopy, Upper endoscopy, Fecal transplant, Capsule endoscopy, Polyp, Gastroesophageal refl...ux disease, Anemia, Irritable bowel syndrome, Helicobacter pylori infection, Fecal incontinence, Chronic constipation, Chronic diarrhea

  3. William C. Palmer

    William C. Palmer

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

    Colonoscopy, Flexible sigmoidoscopy, Upper endoscopy, Liver problems, Hemochromatosis, Gastrointestinal disorder, Iron ...overload

  4. Iris Wang, M.D.

    Iris Wang, M.D.

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

    Colonoscopy, Flexible sigmoidoscopy, Endoscopic procedure, Gastroesophageal reflux disease, Pelvic floor defecatory dys...function, Functional bowel disorder, Constipation, Gastrointestinal disorder, Pelvic floor dysfunction

    1. Colon and Rectal Surgeon
    Areas of focus:

    Robotic surgery, Colorectal surgery, Flexible sigmoidoscopy, Colectomy, Rectal prolapse surgery, Proctectomy, Ileostomy... surgery, Intraoperative radiation therapy, Colostomy, J-pouch surgery, Coloanal anastomosis, Anorectal surgery, Laparoscopic surgery, Transanal endoscopic microsurgery, Minimally invasive abdominal surgery, Complex oncologic multidisciplinary pelvic surgery, Polyp, Crohn's disease, Inflammatory bowel disease, Polyposis syndromes, Colon cancer, Ulcerative colitis, Lynch syndrome, Anal cancer, Colon polyps, Rectal cancer, Carcinoid tumor, Diverticulitis, Abscess, Rectal prolapse, Familial adenomatous polyposis, Vaginal fistula, Recurrent cancer

March 05, 2022
  1. Falchuk M. Patient information: Flexible sigmoidoscopy (beyond the basics). https://www.uptodate.com/contents/search. Accessed Sept. 12, 2018.
  2. Flexible sigmoidoscopy. National Institute of Diabetes and Digestive and Kidney Diseases. https://digestive.niddk.nih.gov/ddiseases/pubs/sigmoidoscopy/index.htm. Accessed Sept. 12, 2018.
  3. U.S. Preventive Services Task Force. Screening for colorectal cancer: U.S. Preventive Services Task Force recommendation statement. JAMA. 2016; doi:10.7326/0003-4819-149-9-200811040-00243.
  4. A-Rahim YI, et al. Bowel preparation for colonoscopy and flexible sigmoidoscopy. https://www.uptodate.com/contents/search. Accessed Sept. 12, 2018.
  5. AskMayoExpert. Colorectal cancer screening (adult). Mayo Clinic; 2019.
  6. Qaseem A, et al. Screening for colorectal cancer in asymptomatic average-risk adults: A guidance statement from the American College of Physicians. Annals of Internal Medicine. 2019; doi:10.7326/M19-0642.

Flexible sigmoidoscopy