About Hospital Compare data
Hospital Compare- Opens in a new window is part of the Centers for Medicare & Medicaid Services (CMS) Hospital Quality Initiative. The Hospital Quality Initiative- Opens in a new window uses a variety of tools to help hospitals improve the quality of care they deliver. The aim is to help improve hospitals’ quality of care through easy to understand data on hospital performance, and quality information from patient perspectives.
This section provides information on the data sources and methodology for the quality measures posted on Hospital Compare.
About using government data
Works of the U.S. government are in the public domain, and permission is not required to use them. An attribution to the Centers for Medicare & Medicaid Services as the source is appreciated. However, Hospital Compare data, including star ratings, should not be construed as an endorsement by the U.S. Department of Health and Human Services of any health care provider’s products or services. Conveying a false impression of government approval, endorsement or authorization of products or services is forbidden. See 42 U.S.C. 1320b-10.
The star ratings and all data on Hospital Compare are provided as a service to the public, and are not intended to grant rights or impose obligations. Star ratings are limited in scope to the data sources they are derived from. Get details on Hospital Compare data sources and an explanation of the Hospital Compare star ratings methodology. A provider’s star rating on an individual measure or domain may not be reflective of that provider’s overall star rating.