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    Dr. Wan-In L. Koo, DO

    Family Medicine

    Dr. Koo's Overview

    Dr. Wan-In L. Koo graduated from the A.T. Still University of Health Sciences/ Kirksville College of Osteopathic Medicine in 1998. He works in O'Fallon, MO and specializes in Family Medicine. Dr. Koo is affiliated with SSM Health St Joseph Hospital Lake Saint Louis and SSM St Joseph Health Center.

    Dr. Koo's Experience

    Years in Practice: 18

    Dr. Koo's Specialties

    Family Medicine

    Dr. Koo's Education & Training

    Medical School: A.T. Still University of Health Sciences/ Kirksville College of Osteopathic Medicine; Graduated 1998

    Dr. Koo's Rating

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    Overall Rating

    Physician

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

    Dr. Koo's Accepted Insurance

    • Aetna Choice POS II
    • Aetna HMO
    • Aetna Managed Choice POS Open Access
    • Aetna Signature Administrators PPO
    • 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
    • View More

    Dr. Koo's Office Information & Appointments

    Office Locations

    SSM Health Medical Group

    1101 Highway K
    O'Fallon, MO 63366
    (636) 379-6363

    Directions

    Office Hours and Information

    Fax: (636) 379-0584

    Practice Website: ssmhealth.com

    Accepting New Patients: Yes

    Medicare Accepted: Yes

    Medicaid Accepted: No

    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 - 12:00 PM
    Sunday Closed

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    Office Locations

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