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Displaying 1-4 out of 4 doctors available

Last Name Initial: O

  1. Nicholas R. Oblizajek, M.D.

    Nicholas R. Oblizajek, M.D.

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

    Colonoscopy, Anorectal function testing, Esophagoscopy, Endoscopic procedure, Breath testing, Anorectal manometry, Gast...roesophageal reflux disease, Functional bowel disorder, Gastroparesis, Diarrhea, Functional dyspepsia, Constipation, Pelvic floor dysfunction

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

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

    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. Jody C. Olson, M.D.

    Jody C. Olson, M.D.

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

    Primary sclerosing cholangitis, Hepatitis C, Wilson's disease, Hepatitis B, Hepatocellular carcinoma, Primary biliary c...holangitis, Cirrhosis, Autoimmune hepatitis, Alcoholic hepatitis, Hepatopulmonary syndrome, Hemochromatosis, Alcoholic liver disease, Portal hypertension, Polycystic liver disease, Fontan-associated liver disease

  4. Amy S. Oxentenko, M.D.

    Amy S. Oxentenko, M.D.

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

    Celiac disease, Peptic ulcer, Gastrointestinal disorder, Gastritis, Malabsorption syndrome

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Dec. 05, 2025

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