Mr. Brennan is the President and CEO of the Health Care Cost Institute. In this role, he is responsible for overseeing HCCI’s overall research agenda that seeks to highlight trends in US health care spending and the factors behind those trends. Niall also works to maximize the reach of HCCIs data by licensing directly to leading academic researchers and through HCCIs role as a Medicare certified Qualified Entity. Niall works closely with federal and state policymakers, including the US Congress on key health policy issues. He is a nationally recognized expert in health care policy, the use of health care data to enable and accelerate health system change, and data transparency. He has published widely in leading academic journals, including the Journal of the American Medical Association, the New England Journal of Medicine and Health Affairs. Prior to joining HCCI, Mr. Brennan was Chief Data Officer at the Centers for Medicare and Medicaid Services (CMS). He has also worked at the Brookings Institution, the Medicare Payment Advisory Commission, the Congressional Budget Office, the Urban Institute, and Price WaterhouseCoopers.

Mr. Brennan received his MPP from Georgetown University and his BA from University College Dublin, Ireland.

Involvement with AcademyHealth:

  • Committee Member - 2018 Health Datapalooza
  • Co-Chair - 2017 Health Datapalooza

Authored by Niall Brennan, B.A., M.P.P.

Blog Post

New Initiative Aims to Build a Model Open COVID-19 Patient Data Registry Network

The Robert Wood Johnson Foundation’s Health Data for Action program, managed by AcademyHealth, is supporting a collaboration between Health Care Cost Institute (HCCI), CareJourney, and a network of health systems to increase the availability of standardized, actionable information on COVID-19 impact and progression.
Posted By Niall Brennan, B.A., M.P.P.
Blog Post

The Healthy Marketplace Index: Furthering Transparency to Improve our Understanding of Commercial Healthcare Markets Across the Country

A new report from the Health Care Cost Institute, an AcademyHealth organizational affiliate, examined relative healthcare prices across the U.S. and found widespread healthcare price variation across metro areas.