NPPES NPI Registry
LiveLast verified 24 Sept 2026
Look up US healthcare providers by NPI number, name, or location from CMS's official registry.
Example request
curl -s 'https://npiregistry.cms.hhs.gov/api/?first_name=john&last_name=smith&version=2.1&limit=1'
Free tier, in plain English
No key and no published rate limit; queries against the public NPI registry are free.
Alternatives in Medical Reference
CMS.gov Provider DataUS Medicare provider directories and quality metrics (hospitals, dialysis, nursing homes) as open datasets.FreeCoronavirus in the UKEngland public health surveillance data (COVID-19 and other diseases) from the UKHSA dashboard.FreeCovid Tracking ProjectArchived daily US COVID-19 case, test, and hospitalization data by state, collected through March 2021.FreeCovid-19 API (M Media Group)Historical COVID-19 case, death, recovery and vaccination counts by country and continent.Covid-19 IndiaHistorical India COVID-19 case, testing and vaccination counts by state and district, frozen at Oct 2021.Free