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    Dr. Mark D. Irwin, MD

    Internal Medicine

    • (618) 234-0640

    Dr. Irwin's Overview

    Dr. Irwin graduated from the Southern Illinois University School of Medicine in 1977. He works in Belleville, IL and specializes in Internal Medicine. Dr. Irwin is affiliated with Memorial Hospital.

    Dr. Irwin's Experience

    Years in Practice: 39

    Dr. Irwin's Specialties

    Internal Medicine

    Dr. Irwin's Education & Training

    Medical School: Southern Illinois University School of Medicine; Graduated 1977

    Dr. Irwin's Rating

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    Overall Rating


    • Explains conditions & treatments
    • Takes time to answer my questions
    • Provides follow-up as needed
    • View All Ratings

    Dr. Irwin's Accepted Insurance

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

    • Anthem Blue Access PPO
    • Anthem Blue Preferred HMO
    • Anthem Blue Preferred Plus POS
    • Anthem Blue Preferred Select
    • Anthem MO Blue Preferred Options
    • Anthem MO Direct Access wHSA
    • Anthem MO Pathway X
    • CIGNA LocalPlus
    • CIGNA Open Access Plus
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    Dr. Irwin's Office Information & Appointments

    Office Locations

    Esse Health IL &
    Esse Health Internal Medicine

    2900 Frank Scott Pkwy W Ste 904
    Belleville, IL 62223
    (618) 234-0640


    Office Hours and Information

    Fax: (314) 851-4475

    Practice Website:

    Accepting New Patients: Yes

    Medicare Accepted: Yes

    Medicaid Accepted: No

    Monday 8:30 AM - 5:00 PM
    Tuesday 8:30 AM - 5:00 PM
    Wednesday 8:30 AM - 5:00 PM
    Thursday 8:30 AM - 5:00 PM
    Friday 8:30 AM - 5:00 PM
    Saturday Closed
    Sunday Closed

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    Dr. Irwin's Hospital Affiliations

    Office Locations

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