# NPPES NPI Registry API

**Canonical:** https://apis.io/apis/cms/nppes-npi-registry/  
**Provider:** Centers for Medicare and Medicaid Services — https://apis.io/providers/cms/  
**Base URL:** https://npiregistry.cms.hhs.gov/api/  
**Documentation:** https://npiregistry.cms.hhs.gov/

NPPES NPI Registry API is one of 41 APIs that [Centers for Medicare and Medicaid Services](https://apis.io/providers/cms/) publishes on the [APIs.io](https://apis.io/) network. Tagged areas include Credentialing, NPI, NPPES, Provider Identifier, and Provider Registry. The published artifact set on APIs.io includes API documentation.

The NPPES NPI Registry API provides free public access to look up active National Provider Identifier records for individual and organizational healthcare providers, supporting FHIR-compatible JSON responses used widely in credentialing, directory, and claims validation workflows.

## Machine-readable artifacts (3)

- **Website** — https://npiregistry.cms.hhs.gov/
- **Documentation** — https://npiregistry.cms.hhs.gov/api-page
- **Help** — https://npiregistry.cms.hhs.gov/help-api/

## Other Centers for Medicare and Medicaid Services APIs (12)

- [CMS Data at the Point of Care (DPC) API](https://apis.io/apis/cms/cms-data-at-the-point-of-care-dpc-api/)
- [CMS Finder API](https://apis.io/apis/cms/cms-finder-api/)
- [CMS Quality Payment Program (QPP) Submissions API](https://apis.io/apis/cms/cms-quality-payment-program-qpp-submissions-api/)
- [Centers for Medicare and Medicaid Services API Reference API](https://apis.io/apis/cms/cms-api-reference-api/)
- [Centers for Medicare and Medicaid Services Bulk Data API](https://apis.io/apis/cms/cms-bulk-data-api/)
- [Centers for Medicare and Medicaid Services Code Search API](https://apis.io/apis/cms/cms-code-search-api/)
- [Centers for Medicare and Medicaid Services Cost Search API](https://apis.io/apis/cms/cms-cost-search-api/)
- [Centers for Medicare and Medicaid Services Enrollments API](https://apis.io/apis/cms/cms-enrollments-api/)
- [Centers for Medicare and Medicaid Services Geography API](https://apis.io/apis/cms/cms-geography-api/)
- [Centers for Medicare and Medicaid Services Households & Eligibility API](https://apis.io/apis/cms/cms-households-eligibility-api/)
- [Centers for Medicare and Medicaid Services Insurance Issuers API](https://apis.io/apis/cms/cms-insurance-issuers-api/)
- [Centers for Medicare and Medicaid Services Insurance Plans API](https://apis.io/apis/cms/cms-insurance-plans-api/)

## Tags

Credentialing, NPI, NPPES, Provider Identifier, Provider Registry

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/apis/cms/nppes-npi-registry/). The API's provider profile, Kin Score and agent-readiness rating are at https://apis.io/providers/cms/.