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    Dr. Michael S. Duffy Sr, MD

    Internal Medicine

    • (619) 461-3717

    Dr. Duffy Sr's Overview

    Dr. Duffy Sr graduated from the Kansas City University of Medicine and Biosciences College of Osteopathic Medicine in 1994. He works in San Diego, CA and specializes in Internal Medicine. Dr. Duffy Sr is affiliated with Alvarado Parkway Institute Behavioral Health System, Scripps Mercy Hospital and Sharp Grossmont Hospital.

    Dr. Duffy Sr's Experience

    Years in Practice: 22

    Dr. Duffy Sr's Specialties

    Internal Medicine

    Dr. Duffy Sr's Education & Training

    Medical School: Kansas City University of Medicine and Biosciences College of Osteopathic Medicine; Graduated 1994

    Dr. Duffy Sr'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. Duffy Sr'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 Open Access
    • Aetna Savings Plus of CA
    • Aetna Signature Administrators PPO
    • UHC Choice Plus POS
    • UHC Navigate HMO
    • UHC Navigate POS
    • UHC Options PPO
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    Dr. Duffy Sr's Office Information & Appointments

    Office Locations

    Mobile Physician Services
    Pacific Medical Care & Mobile Physicians Services

    1501 5th Ave
    San Diego, CA 92101
    (619) 461-3717


    Office Hours and Information

    Fax: (619) 461-5663

    Practice Website:

    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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