provider lookup API
Provider lookup API: NPI and directory search
Combine direct NPI reads with directory search when you do not already have the identifier on file.
No credit card on free tierOpenAPI specPostman collectionUS NPI Registry (NPPES) source dataNPI-1 and NPI-2
Why teams choose Health Provider API
Combine direct NPI reads with directory search when you do not already have the identifier on file.
- GET /api/v1/npi/{npi} for known NPIs
- GET /api/v1/providers/search for name and location discovery
- Shared auth, metering, and response metadata across endpoints
Same registry, better integration surface
Authoritative NPPES data with predictable JSON, auth, and operational headers—so engineering can ship features instead of parsers.