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    John S. Farrell, MD

    Gastroenterology, Hepatology

    • (314) 251-6966

    Dr. Farrell's Overview

    Dr. Farrell graduated from the Saint Louis University School of Medicine in 1973. He works in Saint Louis, MO and specializes in Gastroenterology and Hepatology. Dr. Farrell is affiliated with Mercy Hospital St Louis.

    Dr. Farrell's Experience

    Years in Practice: 44

    Dr. Farrell's Specialties

    Gastroenterology, Hepatology

    Dr. Farrell's Education & Training

    Medical School: Saint Louis University School of Medicine; Graduated 1973

    Dr. Farrell'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. Farrell's Accepted Insurance

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

    • Aetna Choice POS II
    • Aetna HMO
    • 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
    • BCBS Blue Card PPO
    • View More

    Dr. Farrell's Office Information & Appointments

    Office Locations

    Mercy Clinic
    Mercy Clinic Gastroenterology

    621 S New Ballas Rd Ste 584A
    Saint Louis, MO 63141
    (314) 251-6966


    Office Hours and Information

    Fax: (314) 251-6632

    Practice Website:

    Accepting New Patients: Yes

    Medicare Accepted: Yes

    Medicaid Accepted: No

    Monday 8:30 AM - 4:00 PM
    Tuesday 8:30 AM - 4:00 PM
    Wednesday 8:30 AM - 4:00 PM
    Thursday 8:30 AM - 4:00 PM
    Friday 8:30 AM - 4:00 PM
    Saturday 8:00 AM - 5:00 PM
    Sunday 8:00 AM - 5:00 PM

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