Health Provider API
NPI registry API

NPI Registry API without the NPPES glue code

Authoritative US registry data with a contract your team can test, version, and ship against.

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

Authoritative US registry data with a contract your team can test, version, and ship against.

  • Same source of truth as CMS NPPES
  • Published quickstart, OpenAPI, and Postman collection
  • Monthly quotas and per-key burst limits in headers

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