National Provider Identifier (NPI)

Subpart – A component or separate physical location of an organization health care provider. Examples:

• subpart of a hospital could include outpatient departments, surgical centers, psychiatric units and laboratories;
• provider chains that generally have a corporate headquarters and a number of separate physical locations. The separate physical locations are generally separately licensed or certified, i.e. DME supplier chain.

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National Provider Identifier (NPI) - A system for uniquely identifying all providers of health care services, supplies, and equipment. NPIs are assigned by the NPPES and are 10-position, all-numeric identification numbers that will identify a health care provider in standard transactions, such as health care claims.

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National Plan and Provider Enumeration System (NPPES) - The administrative system for supporting a national plan and provider registry. This is a comprehensive uniform system for identifying and uniquely enumerating health care providers and plans at the national level.

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