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    Mark R. Hennick, MD

    Internal Medicine

    • (715) 387-5511

    Dr. Hennick's Overview

    Dr. Hennick graduated from the Medical College of Wisconsin School of Medicine in 1986. He works in Marshfield, WI and specializes in Internal Medicine. Dr. Hennick is affiliated with Ministry St Josephs Hospital.

    Dr. Hennick's Experience

    Years in Practice: 31

    Dr. Hennick's Specialties

    Internal Medicine

    Dr. Hennick's Education & Training

    Medical School: Medical College of Wisconsin School of Medicine; Graduated 1986

    Dr. Hennick'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. Hennick's Accepted Insurance

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

    • First Health PPO
    • Humana Choice POS
    • Humana ChoiceCare Network PPO
    • Multiplan PPO
    • UHC Choice Plus POS
    • UHC Medica Choice
    • UHC Navigate POS
    • UHC Options PPO
    • WPS Group
    • View More

    Dr. Hennick's Office Information & Appointments

    Office Locations

    Marshfield Clinic
    Marshfield Clinic Marshfield Center

    1000 N Oak Ave
    Marshfield, WI 54449
    (715) 387-5511


    Office Hours and Information

    Fax: (715) 387-5754

    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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