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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

Hospitals and Organizations

  • Hartford HealthCare Medical Group
  • Hartford Hospital
  • The Hospital of Central Connecticut
  • Integrated Care Partners


Medical College of Wisconsin ‐ Cardiac Surgery

Hartford Hospital/University of Connecticut Integrated Surgical Residency Prog. ‐ General Surgery

Medical School

Williams College


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

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.