Health Provider API
NPI validation API

NPI validation API for onboarding and rosters

Confirm format, existence, and registry status in one HTTP call—then branch your workflow on documented response codes.

Get free API keyAPI reference
No credit card on free tierOpenAPI specPostman collectionUS NPI Registry (NPPES) source dataNPI-1 and NPI-2

Why teams choose Health Provider API

Confirm format, existence, and registry status in one HTTP call—then branch your workflow on documented response codes.

  • Ten-digit NPI lookup with explicit not-found handling
  • Entity type and primary taxonomy for rule engines
  • Bulk lookup path for batch roster validation

Compare the official registry vs Health Provider API

Try the API
curl -sS -H "Authorization: Bearer YOUR_API_KEY" "https://healthproviderapi.com/api/v1/npi/1003000126"
Quickstart in the docs

Same registry, better integration surface

Authoritative NPPES data with predictable JSON, auth, and operational headers—so engineering can ship features instead of parsers.

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