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How do I use the NPIGen Generator?

Learn how to efficiently utilize the NPIGen Generator for generating National Provider Identifiers

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Updated July 10th, 2026
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0.3 min read

The NPIGen Generator generates a unique 10-digit identification number issued to healthcare providers in the United States. The synthetically generated NPI will pass a NPI validity check. 

Generator Parameters

The following parameters may be configured for the NPIGen Generator. Items with an asterisk* are required.

  • seed - Using the seed will ensure that the same random data is generated each time data is generated.
  • positionType* - Determines whether to generate a 10-digit NPI or a 15-digit NPI.

Sample Output

10-digit NPI

15-digit NPI