Cardiology
John Brennan, MD
Exeter, NH
Dr. John Brennan, MD is an Internist who practices in Exeter, NH. He is 50 years old and has been practicing for 24 years.
24+
Years in Practice
Peer Recognition
- Castle Connolly — Top Doctor
2017-2026 (10 years)
- Healthgrades — Healthgrades Honor Roll
Clinical Focus
Subspecialties
Cardiac Critical Care
Conditions & Treatments
Cardiogenic ShockPeripheral Artery Disease
Practice Details
Hospital Affiliations
- Exeter Hospital
Experience
24+ years in practice