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Dr. Drennan is on Doximity

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Education & Training

  • Naval Medical Center (San Diego)
    Naval Medical Center (San Diego)Residency, Internal Medicine, 1987 - 1990
  • University of New England College of Osteopathic Medicine
    University of New England College of Osteopathic MedicineClass of 1983

Certifications & Licensure

  • MA State Medical License
    MA State License 1985 - 2025
  • CT State Medical License
    CT State License 2019 - 2024
  • American Board of Internal Medicine Internal Medicine
  • AOA Board of Internal Medicine Internal Medicine

Awards, Honors, & Recognition

  • CMS Meaningful Use Stage 1 Certification Allscripts Enterprise EHR, Allscripts, 2011-2012

Publications & Presentations

PubMed

Professional Memberships

Hospital Affiliations