NPPES

API

Free API for US Healthcare Provider NPI Data from NPPES Registry

Overview

The NPPES API provides programmatic access to the National Plan & Provider Enumeration System registry, offering data on US healthcare providers registered with CMS. Key endpoints allow searching by NPI number, provider name, address, taxonomy code, or practice location. Responses are JSON-formatted, including details like NPI, provider type, contact info, practice addresses, and taxonomy classifications. Use cases include verifying provider credentials, integrating NPI data into EHR systems, supporting insurance claim validation, and conducting healthcare workforce analysis.

Example Integration (JavaScript)

script.js JS


fetch('https://npiregistry.cms.hhs.gov/registry/help-api')
  .then(res => res.json())
  .then(data => console.log(data))
  .catch(err => console.error(err));

Key Features

RESTful Interface
JSON Response Format
No API Key Required
Multi-Criteria Search Endpoints
Up-to-date Provider Information

Frequently Asked Questions

? Is NPPES API free to use?

Yes, the NPPES API is completely free for public use without any charges or subscription requirements.

? Does it require an API Key?

No, the NPPES API does not require an API key or any form of authentication to access its endpoints.

? What is the response format?

The NPPES API returns data in JSON format, which includes structured information about healthcare providers such as NPI number, contact details, and practice information.

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Tool Info

Pricing Free

Category Health

Platform Public API

Pros

⊕ Free Public Access
⊕ Comprehensive NPI Data
⊕ No Authentication Needed
⊕ Flexible Search Parameters

Cons

⊖ Rate Limits for Bulk Queries
⊖ No Service Level Agreement (SLA)
⊖ US Providers Only
⊖ Limited Historical Records