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The Healthcare Effectiveness Data and Information Set (HEDIS) file contains beneficiary level records that combine to create measures of managed care plan performance. CMS MA plans provide patient-level data to CMS annually. Data from HEDIS contributes to the assignment of plan CMS Star Ratings.

What does this file include? (variable highlights)

  • Beneficiary level records
  • SNP enrollment
  • Body Mass Index (BMI)
  • Disease screening indicators
  • Chronic condition treatment indicators
  • Counts of specific procedures
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Research Identifiable Files