npi-registry.npi_lookup low conf highallow
Returns one provider's full NPPES record — legal name, practice address, taxonomy, and enumeration status — from CMS's publicly disclosable provider registry.
npi-registry.npi_search low conf highallow
Enumerates healthcare providers by name, location, specialty, or organization, returning batches of public NPPES directory records for provider-network research.
npi-registry.npi_validate low conf highallow
Checks an NPI's format and Luhn check digit locally, catching typos before a registry call; no data leaves the client and nothing is modified.