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Hammond, Jonathan Acton, MD

Surgical Director, Heart Transplant Program and Surgical Director, Mechanical Circulatory Support Program, Hartford Hospital





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
  • Cardiac Surgery

Areas of Expertise
Acute Pulmonary Emboli, Coronary Artery Bypass Surgery, Extra Corporeal Membrane Oxygenation, Heart Transplantation, Heart Valve Surgery, MAZE and Mini MAZE for Atrial Fibrillation, Mechanical Circulatory Support, Open Thoracic Aortic Surgery, Pacemakers


Medical College of Wisconsin

Hartford Hospital/University of Connecticut Integrated Surgical Residency Prog.

Medical School

Hartford Hospital/University of Connecticut Integrated Surgical Residency Prog.

Williams College

Professional Organizations

  • Hartford County Medical Society
  • CT State Medical Society
  • Society of Thoracic Surgeons


Verified Patient Reviews

5 out of 5 stars

Very hard with information provided.

5 out of 5 stars

Thank you all the staff and all the doctors

Other Reviews from Around the Web

5 out of 5 stars

The Goat of Surgeons, I trust Dr. Hammond with my life🫡

5 out of 5 stars

Excellent surgeon and best in class support team.


Dr. Hammond graduated from Harvard Medical School in 1984 and completed his surgical internship and residency at Hartford Hospital/University of Connecticut and his cardiac surgery fellowship at the Medical College of Wisconsin.

He joined the Hartford Hospital Medical Staff in 1991 and has been with the Heart Transplant Program since his arrival.

His interests are in surgery for heart failure, mechanical circulatory support, and transplantation.

He also serves as an Associate Clinical Professor of Surgery at UCONN School of Medicine.


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, Harvard Pilgrim, 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.