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    Dr. Mark S. Bostwick, MD

    Internal Medicine

    • (262) 284-3456

    Dr. Bostwick's Overview

    Dr. Bostwick graduated from the Medical College of Wisconsin School of Medicine in 1978. He works in Port Washington, WI and specializes in Internal Medicine. Dr. Bostwick is affiliated with Aurora Medical Center Grafton.

    Dr. Bostwick's Experience

    Years in Practice: 38

    Dr. Bostwick's Specialties

    Internal Medicine

    Dr. Bostwick's Education & Training

    Medical School: Medical College of Wisconsin School of Medicine; Graduated 1978

    Dr. Bostwick'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. Bostwick's Accepted Insurance

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

    • Aetna Choice POS II
    • Aetna Managed Choice POS Open Access
    • Aetna Signature Administrators PPO
    • Anthem Blue Access PPO
    • Anthem Blue Preferred HMO
    • Anthem Blue Preferred Plus POS
    • Anthem WI Blue Priority X Indiv DirectAccess
    • BCBS Blue Card PPO
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    Dr. Bostwick's Office Information & Appointments

    Office Locations

    Aurora Medical Group
    Aurora Healthcare

    1777 W Grand Ave
    Port Washington, WI 53074
    (262) 284-3456


    Office Hours and Information

    Fax: (262) 268-6633

    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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