The Medicare Claims System (MCS) and The Provider Enrollment System (PES) Changes for the National Provider Identifier (NPI)
The PES must make necessary coding changes to be able to capture and store the NPI on its system. The MCS must also make the necessary coding changes to be able to accept this new element from the PES daily export file by January 2, 2007.
Issued by: Centers for Medicare & Medicaid Services (CMS)
Issue Date: July 28, 2006
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