Medicare Claims

Research Identifiable Files requested from CMS


Medicare claims data

Medicare claims data are not available at the variable level and are not available for sharing due to Center for Medicare and Medicaid Services (CMS) rules; submitted analyses can be run internally by RADC statistics team.
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Research Identifiable Files (RIF) acquired from CMS:
Master beneficiary summary file (MSBF) aka “denominator file”: provides annual enrollment information and years of Medicare coverage.
Medicare Part A and B claims files: service utilization, costs, and diagnoses.
MedPAR (Medicare Provider Analysis and Review) file: concatenates all claims pertaining to a single hospital stay into a single record. Provides record of hospitalization dates, procedures, diagnoses, and events.
Part D characteristic files: optional prescription drug coverage.