NPI lookup API

NPI lookup API for production integrations

You can use the official NPI Registry directly. Health Provider API is for teams that want normalized responses, API keys, quotas, docs, request IDs, caching, Postman/OpenAPI, and a more productized developer experience.

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

Why teams choose Health Provider API

You can use the official NPI Registry directly. Health Provider API is for teams that want normalized responses, API keys, quotas, docs, request IDs, caching, Postman/OpenAPI, and a more productized developer experience.

  • Single-NPI GET with stable JSON and documented error codes
  • NPI-1 and NPI-2 fields normalized for apps and workflows
  • Cache metadata and request IDs for support and audits

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.

Start free — no credit card