Rendering provider
The public registry shows the name and taxonomy on that NPI. It does not show the claim the NPI was put on.
Source: CMS-1500 claim form instructions, rendering provider field. Page read October 14, 2026.
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Definition
Rendering provider
The rendering provider is the individual who performed the service reported on a claim. On a professional claim the rendering provider's NPI is usually a Type 1 NPI. The billing provider can be a different organization with a Type 2 NPI. This site looks up either number. The lookup is at /npi-lookup.
Questions
Rendering provider, answered
Can the rendering and billing NPI be the same?
Yes. A solo practitioner can bill under the same Type 1 NPI they render under. A group usually bills under a Type 2 NPI.