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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 1-6 out of 6 doctors available

Last Name Initial: O

  1. Patrick W. O'Leary, M.D.

    Patrick W. O'Leary, M.D.

    1. Pediatric Cardiologist
    1. Rochester, MN
    Areas of focus:

    Echocardiogram, Heart disease, Congenital heart disease, Congenital heart defects in children, Hypoplastic left heart s...yndrome

  2. Stephanie Y. Ohara, M.D.

    Stephanie Y. Ohara, M.D.

    1. Transplant Surgeon
    1. Phoenix, AZ
    Areas of focus:

    Liver transplant, Kidney transplant, Pancreas transplant

  3. Jody C. Olson, M.D.

    Jody C. Olson, M.D.

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

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

  4. Ashraf Omar, M.B., B.Ch.

    Ashraf Omar, M.B., B.Ch.

    1. Pulmonologist
    2. Transplant Pulmonologist
    1. Phoenix, AZ
    Areas of focus:

    Lung transplant, Bronchoscopy, Cystic fibrosis, Transplant rejection, Pulmonary hypertension, Bronchiectasis, Interstit...ial lung disease, Transplant-associated infection, Hypoxia

  5. Katherine Oshel, M.D.

    Katherine Oshel, M.D.

    1. Transplant Nephrologist
    1. Jacksonville, FL
    Areas of focus:

    Immunosuppressive drug therapy, Kidney transplant, Pancreas transplant, Post-transplant long-term care, Pre-transplant ...evaluation, Chronic kidney disease, Diabetic nephropathy, Acute kidney inury, Polycystic kidney disease, End-stage renal disease, Kidney injury

  6. Clark C. Otley, M.D.

    Clark C. Otley, M.D.

    1. Dermatologist
    2. Mohs Micrographic Surgeon and Dermatologic Oncologist
    1. Rochester, MN
    Areas of focus:

    Excisional skin surgery, Nose surgery, Mohs surgery, Skin surgery, Scar revision, Dermabrasion, Laser surgery, Dermatol...ogic surgery, Extramammary Paget disease, Skin cancer, Melanoma, Squamous cell carcinoma of the skin, Basal cell carcinoma, Merkel cell carcinoma, Age spots, Dermatofibrosarcoma protuberans, Skin tumor

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Dec. 30, 2025

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