beth israel deaconess medical center a harvard medical school teaching hospital

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CardioVascular Institute Leadership

CardioVascular Institute physicians deliver world-renowned medical and surgical care for the heart and blood vessels. Most of our physicians are affiliated with Harvard Medical School, and many are engaged in important research, giving you access to the latest clinical trials and treatments.

CVI Physicians and Network

CVI Leadership


  • Mark Zeidel, MD
    Chief of Medicine
    Co-Director, CardioVascular Institute
  • Elliot Chaikof, MD, PhD
    Chief of Surgery
    Co-Director, CardioVascular Institute
  • Cynthia Phelan, RN
    Executive Director and Associate Chief Nurse
  • John J. DiGiorgio, MPS-HHSA
    Administrative Director, Cardiovascular Medicine
  • Margaret Pantridge, MA
    Director, CardioVascular Institute Communications

Cardiovascular Medicine

Cardiac Surgery 

Vascular and Endovascular Surgery

Contact Information

CardioVascular Institute at
Beth Israel Deaconess Medical Center
330 Brookline Avenue
Boston, MA 02215

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