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    Michael H. Mastromichalis, MD


    • (636) 496-5000

    Dr. Mastromichalis's Overview

    Dr. Mastromichalis graduated from the West Virginia University School of Medicine in 2005. He works in Fenton, MO and specializes in Urology. Dr. Mastromichalis is affiliated with Sisters Of Saint Mary Saint Clare Health Center and SSM Cardinal Glennon Childrens Medical Center.

    Dr. Mastromichalis's Experience

    Years in Practice: 12

    Dr. Mastromichalis's Specialties


    Dr. Mastromichalis's Education & Training

    Medical School: West Virginia University School of Medicine; Graduated 2005

    Dr. Mastromichalis'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. Mastromichalis'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
    • Aetna Managed Choice POS Open Access
    • Aetna Signature Administrators PPO
    • Anthem Blue Access PPO
    • Anthem Blue Preferred HMO
    • Anthem Blue Preferred Plus POS
    • Anthem MO Blue Preferred Options
    • Anthem MO Direct Access w/HSA
    • Anthem MO Pathway X
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    Dr. Mastromichalis's Office Information & Appointments

    Office Locations

    SSM Health Medical Group

    1011 Bowles Ave Ste 300
    Fenton, MO 63026
    (636) 496-5000


    Office Hours and Information

    Fax: (636) 496-5055

    Practice Website:

    Accepting New Patients: Yes

    Medicare Accepted: Yes

    Medicaid Accepted: No

    Monday 7:30 AM - 5:00 PM
    Tuesday 7:30 AM - 5:00 PM
    Wednesday 7:30 AM - 5:00 PM
    Thursday 7:30 AM - 5:00 PM
    Friday 8:00 AM - 2:00 PM
    Saturday Closed
    Sunday Closed

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