Gregory R. D'Onofrio

Gregory R. D'Onofrio, MD


Member of: Stamford Health Medical Group

About Me

Dr. D'Onofrio joined The Heart Physicians, now Stamford Health Medical Group, in 2011.

He was a major in the US Air Force at Griffiss Air Force Base in Rome, NY, where he also served as Chief of Medicine.

Over the years, Dr. D'Onofrio has been elected many honors including: Consumer Research of America - Top Cardiologist 2010/2013 and "Teacher of the Year" by the resident/medical students from Stamford Hospital.

He has many devoted patients who have been followed by him for over 30 years. He is passionate about cardiology and always eager to help fellow staff and students better understand the specialty.

Dr. D'Onofrio resides in Stamford with his wife, has six children (two sets of twins!) and three grandchildren. He enjoys spending time with his family and promotes a healthy cardiac lifestyle.


English and Italian


  • Cardiovascular Disease


Medical School

George Washington University School of Medicine and Health Sciences


St. Vincent's Medical Center


St. Vincent's Medical Center

Board Certifications

  • Cardiovascular Disease - American Board of Internal Medicine
  • Internal Medicine - American Board of Internal Medicine

If you are in need of emergency care, call 911.

The majority of the physicians on the Stamford Hospital Medical Staff are not employees or agents of the Hospital. They are independent practitioners who have been granted the privilege of using the Hospital's facilities for the care and treatment of their patients. This includes, but is not limited to, emergency department physicians, anesthesiologists, radiologists, surgeons, cardiologists, obstetricians, pathologists and other consultants who may treat patients.

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