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The Medicare Carrier (Encounter, Preliminary) file includes Medicare Advantage plan paid records for professional providers, including physicians, physician assistants, clinical social workers, nurse practitioners.

Records for some organizational providers are also found in the Carrier (Encounter) file.  Examples include independent clinical laboratories, ambulance providers, freestanding ambulatory surgical centers and freestanding radiology centers.

Researchers rarely use this file alone.

What does this file include? (variable highlights)

  • Part C Benefit Package and Contract number
  • diagnosis (ICD diagnosis)
  • HCPCS code
  • Date of service (line date)
  • NPI for line rendering physician
  • No payment information

This file is no longer available since the final version is now available for request.

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Research Identifiable Files