Carrier LDS

The Carrier file (also known as the Physician/Supplier Part B claims file) contains final action fee-for-service claims submitted on a CMS-1500 claim form. Most of the claims are from non-institutional providers, such as physicians, physician assistants, clinical social workers, nurse practitioners. Claims for other providers, such as free-standing facilities are also found in the Carrier file.  Examples include independent clinical laboratories, ambulance providers, and free-standing ambulatory surgical centers. 

This file includes:

  • diagnosis and procedure (ICD-9 diagnosis, CMS Common Procedure Coding System (HCPCS) codes),
  • dates of service,
  • reimbursement amounts,
  • beneficiary demographic information

For more information or to request the file, please visit the CMS website:

CY 2006-2016
Data File Classification
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