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Joseph Brennan, MD, BS

Cardiovascular Medicine, Interventional Cardiology
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Patient type treated
Accepting new patients
Referral required
From patients or physicians


Joseph Brennan, MD, has been providing cardiac care to Yale Medicine patients for more than 25 years. He specializes in coronary artery disease, hyperlipidemia and cardiac valvular abnormalities, among other problems.

In addition to his clinical practice, Dr. Brennan is medical director for the Coronary Intensive Care Unit and director of inpatient cardiology services at Yale New Haven Hospital. His clinical research interests include developing newer coronary devices and “working on minimally invasive techniques to treat issues that previously would have required surgery,” he says. Dr. Brennan is an associate professor of medicine (cardiology) at Yale School of Medicine.


  • Professor of Clinical Medicine (Cardiovascular Medicine)
  • Firm Chief- Coronary Intensive Care Unit (CICU), Internal Medicine
  • Director, Interventional Cardiology Fellowship Program, Internal Medicine
  • Medical Director, Coronary Intensive Care Unit, Yale-New Haven Hospital, Yale Medicine
  • Director, Inpatient Cardiology Services, Yale Medicine

Education & Training

  • Fellow
    Yale New Haven Hospital (1990)
  • Chief Resident
    Yale New Haven Hospital (1987)
  • Resident
    Yale New Haven Hospital (1986)
  • MD
    Medical College of Virginia, Richmond, Virginia (1983)
  • BS
    College of William and Mary, Biology (1978)

Additional Information

  • Yale Cardiology
    Yale New Haven Hospital
    20 York Street
    New Haven, CT, 06510
  • Yale Heart and Vascular Outpatient Services
    84 North Main Street
    Branford, CT, 06405
  • Yale Cardiology
    Yale Physicians Building
    800 Howard Avenue
    New Haven, CT, 06519
  • Cardiovascular Services of Greenwich, PC
    Greenwich Hospital
    55 Holly Hill Lane, Ste Suite 240
    Greenwich, CT, 06830
  • Yale Cardiology
    Laboratory for Medicine and Pediatrics (LMP)
    15 York Street
    New Haven, CT, 06510