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    Peter J. Drennan, DO

    Internal Medicine

    Dr. Drennan's Overview

    Dr. Drennan graduated from the University of New England College of Osteopathic Medicine in 1983. He works in Springfield, MA and specializes in Internal Medicine. Dr. Drennan is affiliated with Baystate Medical Center and Mercy Medical Center.

    Dr. Drennan's Experience

    Years in Practice: 34

    Dr. Drennan's Specialties

    Internal Medicine

    Dr. Drennan's Education & Training

    Medical School: University of New England College of Osteopathic Medicine; Graduated 1983

    Dr. Drennan'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. Drennan's Accepted Insurance

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

    • Aetna Choice POS II
    • Aetna HMO
    • Aetna Managed Choice POS Open Access
    • Aetna Signature Administrators PPO
    • Ambetter from CelticCare Health MRF
    • Anthem CT HMO BlueCare
    • BCBS Blue Card PPO
    • BCBS MA Blue Care Elect PPO
    • BCBS MA HMO Blue Select
    • BCBS MA HMO Blue with Managed Care Behavioral Health
    • View More

    Dr. Drennan's Office Information & Appointments

    Office Locations

    Mercy Medical Group

    175 Carew St Ste 200
    Springfield, MA 01104
    (413) 734-8254


    Office Hours and Information

    Fax: (413) 747-5870

    Practice Website: Not Available

    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 Closed
    Sunday Closed

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    Dr. Drennan's Hospital Affiliations

    Office Locations