UPIN Directory

The Unique Physician Identification Number (UPIN) Directory contains selected information on physicians, doctors of Osteopathy, limited licensed practitioners and some non-physician practitioners who are enrolled in the Medicare Program. This file was discontinued after May 2007 when CMS implemented the National Provider Identifier (NPI).

The file contains the following information:

  • UPIN,
  • full name,
  • specialty,
  • Physician License State Code, and
  • zip code.

For more information or to order this file, please visit the CMS website: http://www.cms.gov/NonIdentifiableDataFiles/08_UniquePhysicianIdentifica...

Availability: 
2003-2007 Q2

This file was discontinued as of May 2007.

Data File Classification