Michael Duffy Sr., DO, Internal Medicine, San Diego, CA, Paradise Valley Hospital


Internal Medicine San Diego, CA


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  • 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 CenterResidency, Internal Medicine, 1994 - 1997
  • Kansas City University of Medicine and Biosciences
    Kansas City University of Medicine and BiosciencesClass of 1994

Certifications & Licensure

  • CA State Medical License
    CA State License 2006 - 2021

Publications & Presentations


Professional Memberships

Hospital Affiliations