Check that a National Provider Identifier is correctly formed before you put it on a claim.
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RxRx
Billing helpers for practices. Payer rules vary and codes change every year, so confirm with current CMS guidance and your payer contracts. Patient details you enter stay in your browser.
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How to use
Type the 10-digit NPI.
See if the check digit is valid.
Use the NPPES link to confirm the provider.
Frequently asked questions
Does valid mean the NPI exists?
No. It means the number is correctly formed. Search the NPPES registry to confirm it is active and belongs to the right provider.
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