Oklahoma NPI Registry — Provider Lookup

Look up NPI numbers for healthcare providers in Oklahoma. Our latest NPPES snapshot includes 115,528 active providers and organizations with a practice location in Oklahoma, searchable by name, specialty, and city.

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Frequently asked questions

How do I look up an NPI number in Oklahoma?
Use the NPI search and select OK, or browse the specialty and city directories on this page. Every provider profile shows the NPI, taxonomy, practice address, and status.
How many healthcare providers are registered in Oklahoma?
Our latest NPPES snapshot lists 115,528 active providers and organizations with a practice location in Oklahoma.
Is this the official Oklahoma NPI registry?
No — NPI numbers are issued federally by CMS, not by states. This is a private directory built on the public CMS NPPES data file; the official registry is npiregistry.cms.hhs.gov.

Source: CMS NPPES (public data). Snapshot 2026-07-09.