Health
No authHTTPSCORS
Health
NPI Lookup API
Not rated yet · Be the first to rate itSearch 9.4M US healthcare providers by NPI, name, taxonomy or location from NPPES data.
NPI Lookup API is a free Health API that requires apiKey authentication, is served over HTTPS and does not support CORS, so it should be called from a server.
- Authentication
- apiKey
- HTTPS
- Yes
- CORS
- No
- Category
- Health
- Uptime (30 days)
- 100%
Visit documentation ↗dataandapis.com
Online · 1738 msTested Nov 15, 2026 · checked dailyIs it down? Status & uptime
About Data and APIs
The complete US healthcare provider registry, self-hosted and queryable: 9.37 million active NPIs from the official CMS NPPES dissemination — 7.4M…
- Provider
- Data and APIs
- Website
- dataandapis.com ↗
Details from dataandapis.com.
Key facts
- 100% uptime (30 days)
- HTTPS
Unified API suite · now live
Geocode an address, validate an email, track a flight or pull stock data with one account, one dashboard and one API key.
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Ratings & reviews
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NPI Lookup API FAQ
Who provides the NPI Lookup API?
The NPI Lookup API is provided by Data and APIs (dataandapis.com). The complete US healthcare provider registry, self-hosted and queryable: 9.37 million active NPIs from the official CMS NPPES dissemination — 7.4M…
Is the NPI Lookup API free?
Yes. The NPI Lookup API is listed in the Health category of the public-apis directory, which only includes APIs that are free or have a free tier. Check its documentation for rate limits and paid plans.
Does the NPI Lookup API require an API key?
Yes. The NPI Lookup API uses apiKey authentication, so you need to register for credentials before making requests.
Can I call the NPI Lookup API from the browser?
Not directly. The NPI Lookup API does not allow CORS, so call it from a server, serverless function or proxy instead of front-end JavaScript.
Does the NPI Lookup API support HTTPS?
Yes. The NPI Lookup API is served over HTTPS, so it's safe to use in production.
Maintain the NPI Lookup API? Add a badge
Show that NPI Lookup is listed on Public APIs. The badge displays its developer rating once it has one.
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