Back to top

The Medicare-Medicaid Linked Enrollee Analytic Data Source (MMLEADS) suite of files includes beneficiary-level Medicare and Medicaid enrollment and claims data for Medicare-only, Medicare-Medicaid dually enrolled and Medicaid-only blind and disabled beneficiaries. The 27 CCW Chronic Conditions plus an additional 25 other conditions flags are part of the included data.

  • What does this file include?
    • Eligibility, enrollment variables
    • Aggregated cost and use
      • Medicare: FFS, PDE includes FFS and MA
      • Medicaid: FFS, managed care encounter where available
    • Prescription Drug service utilization reported for classes of drugs
    • All four files are released for approved MMLEADS data requests
      • Beneficiary file
      • Medicare Services file
      • Medicaid Services file
      • Conditions file
  • Special considerations
Medicare, Medicaid
Privacy Level
Research Identifiable Files