The Center for Health Information and Analysis (CHIA), a state agency charged with monitoring the Massachusetts health care system, offers a variety of data and analytic products to support continual improvement in health care quality, affordability, access, and outcomes. The Massachusetts All-Payer Claims Database (MA APCD) is critical to this effort, enabling CHIA and its partners and customers to pursue a wide variety of projects, including complex research and analyses that support state agency operations and enhance the ability of payers and providers to deliver care.

This CHIA white paper gives an overview of the MA APCD, beginning with a history, then covering what is included in the database as well as how CHIA manages and uses the database to promote the public interest.

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