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Dr. Brennan is on Doximity

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Education & Training

  • Massachusetts General Hospital
    Massachusetts General HospitalResidency, Internal Medicine, 1984 - 1986
  • Yale School of Medicine
    Yale School of MedicineClass of 1984

Certifications & Licensure

  • MA State Medical License
    MA State Medical License 1986 - 2026
  • CT State Medical License
    CT State Medical License 2006 - 2023
  • American Board of Internal Medicine Internal Medicine

Awards, Honors, & Recognition

  • Elected Member Institute of Medicine, 2005
  • Elected Member The American Society for Clinical Investigation, 1996

Publications & Presentations

PubMed

Press Mentions

  • PBMs, the Brokers Who Control Drug Prices, Finally Get Washington’s Attention
    PBMs, the Brokers Who Control Drug Prices, Finally Get Washington’s AttentionMay 11th, 2023
  • What Are Digital Therapeutics and Their Use Cases?
    What Are Digital Therapeutics and Their Use Cases?May 20th, 2022
  • Walgreens, CVS Begin Administering COVID Vaccines for Kids Under 12 This Weekend
    Walgreens, CVS Begin Administering COVID Vaccines for Kids Under 12 This WeekendNovember 5th, 2021
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