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    Dr. Kathryn J. Ruddy, MD

    Hematology/Oncology, Internal Medicine

    • (507) 284-2511

    Dr. Ruddy's Overview

    Dr. Ruddy graduated from the University of Pennsylvania School of Medicine in 2003. She works in Rochester, MN and specializes in Hematology/Oncology and Internal Medicine. Dr. Ruddy is affiliated with Mayo Clinic Hospital-Rochester Methodist Campus and Saint Marys Hospital.

    Dr. Ruddy's Experience

    Years in Practice: 13

    Dr. Ruddy's Specialties

    Hematology/Oncology, Internal Medicine

    Dr. Ruddy's Education & Training

    Medical School: University of Pennsylvania School of Medicine; Graduated 2003

    Dr. Ruddy's Rating

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    Overall Rating


    • Explains conditions & treatments
    • Takes time to answer my questions
    • Provides follow-up as needed
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    Dr. Ruddy's Accepted Insurance

    Please verify insurance information directly with your doctor's office as it may change frequently.

    • Aetna Choice POS II
    • Aetna HMO
    • Aetna Managed Choice POS
    • Aetna Managed Choice POS Open Access
    • Aetna Signature Administrators PPO
    • BCBS Blue Card PPO
    • CIGNA Open Access Plus
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    Dr. Ruddy's Office Information & Appointments

    Office Locations

    Mayo Clinic
    Mayo Clinic Rochester Gonda

    200 1st St SW
    Rochester, MN 55905
    (507) 284-2511


    Office Hours and Information

    Fax: (507) 284-1803

    Practice Website:

    Accepting New Patients: Yes

    Medicare Accepted: Yes

    Medicaid Accepted: Yes

    Monday 8:00 AM - 5:00 PM
    Tuesday 8:00 AM - 5:00 PM
    Wednesday 8:00 AM - 5:00 PM
    Thursday 8:00 AM - 5:00 PM
    Friday 8:00 AM - 5:00 PM
    Saturday 8:00 AM - 5:00 PM
    Sunday 8:00 AM - 5:00 PM

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