New Number Series and State Codes for CMS Certification Numbers (formerly OSCAR Provider Numbers)
The National Provider Identifier (NPI) will replace the Medicare/Medicaid Provider Number on Medicare claims. The NPI will assume the Medicare/Medicaid Provider Number's role as a primary identifier. However, the Medicare/Medicaid Provider Number will continue to be issued to providers and used to verify Medicare/Medicaid certification on all survey and certification, and resident/patient assessment transactions.
Issued by: Centers for Medicare & Medicaid Services (CMS)
Issue Date: October 12, 2007
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