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Gastroenterology and Hepatology

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Displaying 1-10 out of 10 doctors available

Last Name Initial: R

  1. Laura E. Raffals, M.D.

    Laura E. Raffals, M.D.

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

    Crohn's disease, Ulcerative colitis, Inflammatory bowel disease, Pouchitis

  2. Massimo Raimondo, M.D.

    Massimo Raimondo, M.D.

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

    Endoscopic ultrasound

  3. Elizabeth Rajan, M.D.

    Elizabeth Rajan, M.D.

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

    Balloon assisted endoscopy, Capsule endoscopy, Endoscopic ultrasound, Upper endoscopy

  4. Francisco C. Ramirez, M.D.

    Francisco C. Ramirez, M.D.

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

    Upper endoscopy, Colon cancer

  5. Karthik Ravi, M.D.

    Karthik Ravi, M.D.

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

    Eosinophilic esophagitis, GERD, Achalasia, Esophageal spasms

  6. Douglas L. Riegert-Johnson, M.D.

    Douglas L. Riegert-Johnson, M.D.

    1. Medical Geneticist
    2. Internist
    3. Gastroenterologist
    1. Jacksonville, FL
    Areas of focus:

    Cancer

  7. Sumera H. Rizvi, M.B.B.S.

    Sumera H. Rizvi, M.B.B.S.

    1. Gastroenterologist (Transplant Hepatologist)
    2. Internist
    3. Gastroenterologist
    1. Rochester, MN
    Areas of focus:

    Hepatocellular carcinoma, Cholangiocarcinoma

  8. Lewis R. Roberts, M.B., Ch.B., Ph.D.

    Lewis R. Roberts, M.B., Ch.B., Ph.D.

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

    Hepatocellular carcinoma

  9. Barry G. Rosser, Jr., M.D.

    Barry G. Rosser, Jr., M.D.

    1. Gastroenterologist (Transplant Hepatologist)
    2. Internist
    1. Jacksonville, FL
    Areas of focus:

    Liver transplant, Autoimmune hepatitis, Liver problems

  10. Kevin C. Ruff, M.D.

    Kevin C. Ruff, M.D.

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

    Balloon assisted endoscopy, Nutrition (Healthy eating)

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Conditions treatedDoctors by location and specialty
Feb. 22, 2020
  1. Riggin EA. Allscripts EPSi. Mayo Clinic, Rochester, Minn. Jan 2, 2017.
  2. Funding: NIH awards by location & organization. National Institutes of Health. https://report.nih.gov/award/index.cfm?ot=&fy=2016&state=MN&ic=&fm=&orgid=4976101&distr=&rfa=&om=n&pid=#tabpi. Accessed Jan. 30, 2017.
  3. Horvat KJ. Financial Planning and Analysis. Mayo Clinic, Rochester, Minn. Feb. 6, 2017.
  4. Pardi DS (expert opinion). Mayo Clinic, Rochester, Minn. June 1, 2017.

Mayo Clinic in Rochester, Minn., has been recognized as the best Gastroenterology & GI Surgery hospital in the nation for 2019-2020 by U.S. News & World Report.

Learn more about this top honor

Gastroenterology and Hepatology

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