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Haronian, Howard L., MD, FACC

Vice President & Chief Quality & Innovation Officer, Hartford HealthCare Heart & Vascular Institute





Providing the best care to our patients and their companions requires communicating in a way everyone understands. Interpreter services are available 24 hours a day, 7 days a week, 365 days a year. All spoken languages are available, as well as American Sign Language (AS/L).

Accepting New Patients
  • Interventional Cardiology
  • Cardiovascular Medicine

Areas of Expertise
Angioplasty, Catheterization, Implantable Devices, Non-Invasive Cardiac Testing, Non-Invasive Cardiovascular Medicine, Nuclear Imaging, Pacemakers, Rehabilitation, Stents


Yale New Haven Hospital
Yale New Haven Hospital
Yale New Haven Hospital

Medical School
Weill Cornell Medical College

The New York Hospital

Professional Organizations

  • Rhode Island State Medical Society
  • American College of Cardiology, Fellow
  • American Society of Nuclear Cardiology
  • Connecticut State Medical Society


Verified Patient Reviews

5 out of 5 stars

Excellent care all around.

5 out of 5 stars

*Howie is the best!

5 out of 5 stars

Dr Haronian is the very best!!

5 out of 5 stars

Dr. Haronian always makes it easy to ask questions and discuss issues.

5 out of 5 stars

*Dr. Haronian was so very nice and so caring. He has been Tom's & my doctor for 30 years & more... he is a great doctor.

5 out of 5 stars

Have been a patient of Dr. Haronian for many years. He never lets me down.

5 out of 5 stars

*Dr. Haronian has been our family cardiologist for years. He is very caring, understanding & thorough.

Other Reviews from Around the Web

5 out of 5 stars

Dr. Haronian has been my Cardiologist for 12 years now and I recently went through a TAVR procedure that saved my life. I highly recommend Dr.Haronian without any reservations.

5 out of 5 stars

The quality of all members of the medical team, including doctors, nurses and the rest of support staff are exceptional. The cardiac teams entire operation is impressive and worthy of the highest respect. I highly recommend HHC.

5 out of 5 stars

Dr Haronian is the best, he is so pleasant and easy to talk to. Takes his time with you and listens.

5 out of 5 stars

Everyone I have interacted with at my cardiologist's office has been fantastic!


Dr. Howard L. Haronian, Chief Medical Director and Vice President / East Region of Hartford HealthCare Heart & Vascular Institute, is a board-certified interventional cardiologist with deep ties to Southern New England.

Dr. Haronian, a RI native, spent more than two decades building private-practice cardiology services in Westerly, RI, and Mystic, CT while serving on the interventional cardiology faculty of Yale New Haven Hospital / Yale School of Medicine.

Now, as the first interventional cardiologist to join the Hartford HealthCare Medical Group, Dr. Haronian maintains a clinical practice in Westerly, RI, Mystic, and Hartford; and provides interventional services to all referred HHC patients in the Hartford Hospital Cardiac Cath Lab.

Dr. Haronian, a graduate of Brown University in Providence, attended medical school at Cornell University Medical College in NYC, and completed a residency at The New York Hospital, before returning to New England for a fellowship in cardiovascular medicine, nuclear cardiology, and interventional cardiology at Yale.



Aetna, Anthem, BCBS Medicare, CarePartners of Connecticut, Cigna Healthcare, Colonial Cooperative Care, Community Health Network of Connecticut, Inc., Connecticare, Connecticare Commercial, Connecticare Medicare, Corvel, Coventry, Essence Healthcare, Evercare, First Health Group Corp., Focus, Health Connecticut, Health Direct, Health New England, Healthy Connecticut, Multiplan, Northeast Health Direct, One Health Plan/ Great-West Healthcare, Oxford Health Plans, Prime Health Services, Private Health Care Systems, Inc., Senior Whole Health, United Healthcare, WellCare of Connecticut, Inc.

This information is subject to change at any time. Please check with your insurance provider before scheduling your appointment or receiving services to confirm they are a participating member of the Hartford HealthCare network.