Dr. John Thomas Brennan MD is a male Family Practitioner, has 33 years of experience and practices in Family Medicine.
License & Identifications

A medical license is required for a doctor to practice medicine in a particular state. Requirements vary by state but most require, at a minimum, post-graduate training in the doctor’s specific specialty. An NPI number is a national identifier unique to an individual health care provider and is managed by the Center for Medicare & Medicaid Services (CMS).

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Specialties & Research

Dr. John Brennan, MD is board certified in Family Medicine.

  • He has special expertise in 5 areas:
  • Diabetes
  • Diabetes Complications
  • Heart Diseases
  • Heart Failure
  • Stroke

Education & Awards

Dr. Brennan graduated from Duke University , Durham.


Dr. Brennan has 6 hospital affiliations:

  • Conemaugh Valley Memorial Hospital 
  • Meyersdale Community Hospital 

Accepted Insurance Plans

Dr. Brennan accepts these health insurances in at least one office:

  • UPMC Health Plan - 13 plans
  • Highmark Blue Cross Blue Shield - 15 plans
  • Great-West Healthcare - 2 plans
  • Unicare - 3 plans
  • Blue Cross Blue Shield of Illinois - 1 plan
  • Geisinger Health Plan - 5 plans
  • Aetna - 2 plans


  • French
  • Italian

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Additional Information
Where does Dr. John T. Brennan practice?
Dr. John Brennan practices Family Medicine near Somerset, PA.
See Somerset Family Physicians.