CMS NPPES Data — Live

Every healthcare provider.
One search.

Search the CMS National Provider Identifier registry in milliseconds. Names, specialties, locations, credentials — all indexed and ready for your workflow.

1,567

Providers indexed

<50ms

Average response

CMS NPPES

Official data source

5 endpoints

RESTful API

Built for healthcare operations

ProviderGraph powers the provider data layer for health systems, payers, and healthtech companies.

🔍

Provider Credentialing

Verify NPI numbers, credentials, and taxonomy codes instantly. Automate credentialing checks that used to take days.

📊

Network Analysis

Map provider networks by specialty and geography. Identify coverage gaps and optimize network adequacy.

🤝

Referral Management

Find specialists by taxonomy and location. Build referral networks with verified contact information and credentials.

Developer-friendly REST API

Five endpoints, JSON responses, sub-50ms latency. Everything you need to build provider data into your application.

GET Provider Lookup

/api/provider/:npi
  • :npi 10-digit NPI number

GET Search

/api/search?name=&specialty=&state=&city=
  • name optional Provider or org name
  • specialty optional Taxonomy description
  • state optional 2-letter state code
  • city optional City name
  • zip optional ZIP code prefix
  • org optional Organization name

GET Taxonomy Lookup

/api/taxonomy?q=orthop
  • code optional Taxonomy code
  • q optional Search taxonomy descriptions

POST Bulk Lookup

/api/bulk
  • npis Array of NPI numbers (max 500)
Example
# Search for orthopedic providers in Colorado
curl "http://localhost:3002/api/search?specialty=orthop&state=CO"

# Response
{
  "count": 12,
  "results": [
    {
      "npi": "1234567890",
      "firstname": "John",
      "lastname": "Smith",
      "credential": "MD",
      "taxonomy_desc": "Orthopaedic Surgery",
      "city": "Boulder",
      "state": "CO",
      "phone": "3035551234"
    }
  ]
}

Ready to build with provider data?

Get your API key and start querying the NPI registry in minutes.

Get API Key Atlas Health Platform