Health Provider API
NPPES API

NPPES API with a stable developer contract

Raw NPPES is authoritative and verbose. We normalize addresses, taxonomies, and entity types so your services share one schema.

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

Raw NPPES is authoritative and verbose. We normalize addresses, taxonomies, and entity types so your services share one schema.

  • Normalized provider object for individuals and organizations
  • Documented 404 for npi_not_found vs transport failures
  • Optional stale-if-error grace during upstream outages

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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