- Go to https://www.cms.gov/Medicare/Medicare-Fee-for-Service-Payment/PhysicianFeeSched/PFS-Carrier-Specific-Files.html
- Click on the latest year, All States
- Extract the files, then open the PDF
- Starting on page 6, look for your locality
- In the Carrier field, note down the last 2 digits of the Carrier number
- Go back to the folder, and look for your State File (It will be PF + State Abbreviation + Year + Revision), so for Louisiana it would be PFLA17A.
- Look at the 2 digit value in the 3rd set of the file, this will match the number in Step 5
- Delete all other rows that have different locality IDs
- Save this file

Written by Randy Marsden
Randy Marsden is the founder of the MIPS consulting firm MarsdenAdvisors.
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