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LPIs are any of a known set of identifiers used by either states or the federal government to identify service providers prior to the arrival of National Provider Identifiers (NPIs). LPIs can be state-specific provider IDs, Medicare Provider Identification Number (PIN), Medicare Unique Physician Identification Number (UPIN), Online Survey Certification and Reporting (OSCAR) IDs, Medicare National Supplier Clearinghouse (NSC) numbers, other Medicare IDs of unknown type, as well as other commercial numbering systems. NPIs are a unique, 10-digit, sequentially assigned national identification number that are mandated by HIPAA to be used by health care providers, health plans, and health care clearinghouses in all administrative and financial HIPAA transactions. NPIs are routinely assigned only to medical providers. There are many non-medical providers serving Medicaid enrollees (e.g. home care services and transportation) that do not usually receive NPIs. So, all Medicaid providers have some types of LPIs, but not all Medicaid providers have NPIs. CMS began collecting NPIs in MSIS data in Fiscal 2009, although reporting was not complete for medical providers initially. NPIs have been captured in MAX to the extent they are available, beginning with 2009 data.
(FAQ6115)
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