Welcome to Gagnon Cardiovascular Institute

Sharing the Journey

Gagnon Cardiovascular Institute is part of Atlantic Health System. Housed in a new 250,000 square-foot building at Morristown Medical Center and in a state-of-the-art facility at Overlook Medical Center, Gagnon Cardiovascular Institute is staffed by more than 700 top-ranked, board-certified cardiac and vascular care specialists, nurses and technologists. Atlantic Health System is an affiliate of The Mount Sinai Hospital and Icahn School of Medicine at Mount Sinai.

Two State-of-the-Art Facilities Lauded for Achievement

Morristown Medical Center
100 Madison Avenue
Morristown, NJ 07960


Cardiac Health Center:

Overlook Medical Center
99 Beauvoir Avenue
Summit, NJ 07902


Cardiac Rehabilitation Services:





  • Educated and trained at the nation's leading academic institutions, Gagnon's physicians were cited by peers as Top Doctors
  • A multidisciplinary team including board-certified cardiovascular surgeons, cardiologists, critical care nurses, open-heart surgical nurses, physician assistants, electrophysiologists, cardiovascular technologists, nurse practitioners, vascular surgeons, vascular medicine specialists and award-winning nursing team

Award-Winning Care

  • Lauded by the NJ Department of Health and Senior Services for emergency care for heart attack patients
  • Recipient of the Magnet Designation, at Morristown Medical Center, for excellence in nursing care - a recognition given to just over five percent of hospitals nationwide
  • Holistic treatment approach combines traditional medicine with complementary therapies such as music therapy, relaxation guided imagery, meditation and yoga; helps speed recovery


  • The Intersocietal Commission for the Accreditation of Vascular Laboratories
  • The Centers for Medicare and Medicaid Services
  • The Intersocietal Commission for the Accreditation of Echocardiography Laboratories
  • The Commission for Accreditation of Allied Health Education Programs
  • CareCore National
  • American Association of Cardiovascular and Pulmonary Rehabilitation
  • The Society of Chest Pain Centers
Learn More

For a physician referral, please call 1-800-247-9580 or

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It is a miracle for him to even be here -- and he’s doing great.  He’s walking on his own and his cognitive function is 100 percent.  In terms of his recovery, he’s six months ahead of where the doctors said he would be. Thank you, Gagnon Cardiovascular Institute. - Connie Seville, wife of Gagnon Cardiovascular Institute patient John Seville, who returned home just 11 weeks after emergency open heart surgery