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Talk:National Provider Identifier

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This is an old revision of this page, as edited by LokiThread (talk | contribs) at 18:00, 11 May 2007. The present address (URL) is a permanent link to this revision, which may differ significantly from the current revision.

Does anyone know how the NPI checksum works?

Try this website. It's a free NPI check digit(checksum) tool for the health care industry

  • Note: The above page only checks 9-digit numbers. The NPI is 10 digits long.


I'm using specialized service for National Provider Identifier (NPI) number validation.

It validates 10 digit numbers