Skip to main content
Michael Duffy Sr., DO, Internal Medicine, San Diego, CA

MichaelSeanDuffySr.DO

Internal Medicine San Diego, CA

Physician

Are you Dr. Duffy?

Join over one million U.S. Physicians, Nurse Practitioners and PAs, already on Doximity.

  • Gain access to free telehealth tools, such as our "call shielding" and one-way patient texting.
  • Connect with colleagues in the same hospital or clinic.
    You already have 35 invites waiting!
  • Read the latest clinical news, personalized to your specialty.

Claim this profile

Not you? Find your profile

  • Office

    1501 5th Ave
    Ste 100
    San Diego, CA 92101
    Phone+1 619-647-5072
    Fax+1 619-330-4782

Summary

  • Dr. Michael Duffy Sr., DO is an internist in San Diego, California. He is currently licensed to practice medicine in California. He is affiliated with Scripps Mercy Hospital, Paradise Valley Hospital, and Promise Hospital of San Diego.

Education & Training

  • Park Lane Medical Center
    Park Lane Medical CenterResidency, Internal Medicine, 1994 - 1997
  • Kansas City University of Medicine and Biosciences College of Osteopathic Medicine
    Kansas City University of Medicine and Biosciences College of Osteopathic MedicineClass of 1994

Certifications & Licensure

  • CA State Medical License
    CA State License 2006 - 2025

Publications & Presentations

PubMed

Professional Memberships