James Cardon

Chief Clinical Integration Officer & CEO

Governance_JamesCardon.jpgDr. James P. Cardon is Hartford HealthCare’s (HHC’s) chief clinical integration officer and CEO of Integrated Care Partners, a clinical integration organization that includes HHC-employed physicians (Hartford HealthCare Medical Group) and private-practice physicians. Integrated Care Partners is responsible for improving access to care, developing and implementing evidence-based best practices, reducing variability of care and defining, measuring and managing clinical excellence for member physicians. Integrated Care Partners will engage with payers and employers to develop innovative payment methodologies to align financial incentives with clinical objectives.

Dr. Cardon, a cardiologist for more than 20 years, is a senior staff member of Hartford Hospital’s Department of Medicine, Division of Cardiology, and an assistant clinical professor of medicine at the University of Connecticut. He previously was president of Cardiology PC, a seven-physician cardiology practice with offices in Farmington and Hartford. He also served as president of the Hartford Physician Association and the Hartford Physician Hospital Organization (HPHO). Founded in 1987, the HPHO is a value-driven organization committed to providing high-quality, cost-effective health services.

Dr. Cardon graduated Phi Beta Kappa with a Bachelor of Science from Boston College and earned his M.D. from the University of Rochester School of Medicine and Dentistry. He completed his residency in internal medicine and his fellowship in cardiology at Hartford Hospital. Dr. Cardon is certified by the American Board of Internal Medicine (ABIM) in Cardiovascular Disease. He is a Fellow of the American College of Cardiology and a member of the Connecticut State Medical Association and the Hartford County Medical Association.

Hartford HealthCare is Connecticut’s only truly integrated health care system. With more than 18,000 employees and $2.4 billion in net revenue, the system offers the full continuum of care. Besides Integrated Care Partners, the system includes six-acute care hospitals, the state’s first air-ambulance service, one of the nation’s top medical training centers, behavioral health and rehabilitation services, a large physician group, research facilities, skilled-nursing and visiting-nurse services, a laboratory system that spans the state and a number of services for seniors, including senior living facilities.

Deb Hayes

Vice President & COO


Debra Hayes, a 28-year veteran of the health care industry in Massachusetts and Connecticut, is the Vice President and Chief Operating Officer of Integrated Care Partners. Debra serves as the Strategic and Operations Lead of the physician led clinical integration organization consisting of 3,100+ providers and 7 hospitals within Hartford HealthCare, which has played a critical role in how Hartford Healthcare delivers quality healthcare to its patients. In collaboration with the Physician Executive Lead, Deb was involved in building the organization from the ground up to include all aspects of a successful clinically integrated organization, including the development and implementation of a fee for value contracting strategy, an ambulatory care management model, a quality improvement program and a COVID-19 testing/vaccine program for HHC and the State of CT. 

Before coming to HHC, Debra was an independent consultant, assisting provider hospital organizations with clinical integration and developing and negotiating risk-sharing arrangements with health plans. She also spent four years as the Senior Director of Strategy & Operations at the Commonwealth Health Insurance Connector Authority, implementing the landmark health care reform legislation in Massachusetts. She served as a visionary and innovative leader providing strategic and operational leadership in the development of the exchange. She spent 10 years at Tufts Health Plan in Watertown, Mass., as Director of Contracting and Performance Management with oversight of all commercial and Medicare contracting, budget development and strategic planning for a subset of the organization’s physician and hospital network. Debra has an undergraduate degree in accounting from Westfield State University and a master’s degree in business administration with a concentration in health care from Suffolk University in Boston.

Naomi Nomizu

Vice President, Medical Affairs

Dr. Naomi Nomizu brings extensive and diverse clinical and quality improvement experience to ICP. A Board certified internist, In her early career she worked at a clinic for the indigent through the National Health Service Corps. She then practiced in and managed a primary care private practice for more than twenty years while being active in Medical Staff leadership and numerous hospital quality improvement activities.. She was co-Medical Director of a skilled nursing facility as well as of a Hospice program. In  2009 she became a hospitalist at Backus Hospital, where she served as Chief of Medicine for a year, then as Director of the Hospitalist Program for East Region (Backus and Windham Hospitals).

In her role as VPMA, Dr Nomizu is responsible for driving quality improvement, provider engagement and coordination of care across the ambulatory, acute and post-acute settings. She partners with providers and system stakeholders to advance understanding and acceptance of value based care, practice transformation, and care management redesign.

Dr. Nomizu graduated from Yale University with a B.S. in Biology and Psychology, earned her Doctor of Medicine from the Warren Alpert Medical School of Brown University and completed residency in Internal Medicine at Miriam Hospital in Providence, R.I. She is a Fellow of the Society Hospital Medicine.

Tricia Hasselman

Senior Vice President of Managed Care Contracting & Payer Relations

Governance_TriciaHasselman.jpgTricia Hasselman is a 30 year veteran of the healthcare industry with extensive experience in medical cost management, planning and forecasting, financial analysis, Commercial, Medicare and Medicaid network development, payer and provider negotiation and contracting, reimbursement design and healthcare data manipulation and reporting.

Tricia is accountable for all aspects of fee for service and fee for value contracting including strategy, analytics, negotiation, papering and contract implementation for Hartford HealthCare’s hospitals, behavioral health facilities, skilled nursing facilities, ambulatory surgery centers, air transport, ground transport, home care, hospice, radiology and retail and specialty pharmacy as well as Integrated Care Partners’ clinically integrated network of employed and community physicians and medical professionals.  In addition, she is responsible for payer relations, physician relations and medical cost management related to value based programs and alternative payment models.

Prior to joining Hartford HealthCare in 2014, Tricia served as Staff Vice President for the Medicaid Business Unit at Anthem and was responsible for developing a new operating model to provide comprehensive network development/provider contracting support for Medicaid as well as for the optimization of existing Medicaid networks.  And, prior to Anthem, Tricia spent nearly 24 years at Aetna where she held various roles including Vice President of Network Development/Medical Economics Head for the Medicaid Business Unit where she was charged with Medicaid network development as well as building a medical cost management process for the Medicaid Business Unit and Medical Economics Head for the Northeast Region where she was responsible for the medical cost performance of Aetna’s Northeast Region, financial valuation of all contracts, risk arrangement management, network reporting, sales/marketing support and network competitive analysis.

Tricia graduated Summa Cum Laude from Fairfield University with a Bachelor of Science in mathematics and a concentration in computer science.

In the community, she has served in a number of roles, including board member with MARC Community Resources Ltd., a Middletown-based organization that assists adults and children with intellectual and developmental disabilities by providing them with opportunities for housing, employment and social activities.

David Santoro

Vice President, Business Operations

David Santoro is the Vice President, Business Operations for Hartford HealthCare Integrated Care Partners (ICP), the clinically-integrated network of HHC with over 5,000 providers in the network spanning employed and community physicians. In his role with ICP since 2017, David serves as the MSSP ACO Executive, HHC Post-Acute Care Network leader, Bundled Payment program leader, Ambulatory Risk Adjustment program leader as well as helping to coordinate and manage the HHC Employee Health Plan preferred network. Prior to his role within ICP, David served for three years as the Director of Operations for the HHC Bone & Joint Institute and served on the executive committee for the design and build of Connecticut’s only free-standing orthopedic hospital and ambulatory care center.

David is a licensed Occupational Therapist and Nursing Home Administrator and has over thirty years experience in all facets of the health care continuum. He is also an adjunct assistant professor in the Occupational Therapy program at Quinnipiac University in CT. David has a Master’s in Business Administration and a BS degree from the University of Connecticut.

Colleen Sullivan

Vice President, Care Management


Colleen Sullivan brings over twenty years’ experience building and leading effective care management teams and operations to ICP.  In her current role she is responsible for developing a patient-centered enterprise approach to care management which incorporates all access points along the care continuum including ambulatory, acute and post-acute settings. 

Colleen worked for many years in HHC’s East Region as Regional Director of Care Management and previously as Director of Care Management for Backus Hospital.  She has worked with executive, medical, and front-line staff as well as with patients, families and external partners to improve collaboration and drive quality outcomes.   Colleen is a respected leader who is recognized as a strategic thinker and relationship-builder.  Prior to returning to HHC to assume her current role, Colleen served as Chief Operating Officer for United Community & Family Services, a large Federally Qualified Health Center providing residents of Eastern Connecticut access to Primary Care, Geriatrics, Women’s Health, Behavioral Health and Dental Services.

Colleen completed her undergraduate studies at The George Washington University and holds a Master of Social Work from the University of Pennsylvania as well as a Master of Business Administration in Healthcare Management from the University of Texas at Tyler.  Colleen is a Licensed Clinical Social Worker and also an Accredited Case Manager.  She also serves as the Vice Chairwoman of the Board of Directors for the Southeastern Council on Alcoholism and Drug Dependence.

Integrated Care Partners