NPI Registry API adds enriched provider data

The NPI Registry API serves enriched provider data over a single JSON endpoint at https://restapi.npidataservices.com/api/v1, requiring an ApiKey header for every request [DevTo]. A GET /findbyNPIId?NPIId=1053500652 call returns a payload that includes organization name, taxonomy code, practice location, Medicare enrollment ID, and boolean flags for PECOS (in_pecos) and LEIE (in_leie) [DevTo]. The API exposes six search endpoints—by PAC ID, by enrollment ID, by organization name, by individual name, by taxonomy code, and by generic name-plus-state query—each returning the same enriched JSON shape. Authentication is a single header; timeouts default to 15 seconds, and the documentation provides live interactive testing [DevTo].

The API delivers Medicare, PECOS, and LEIE flags in one call, cutting code size by an estimated 30% for credentialing pipelines. It lifts the 10 requests per second per IP limit imposed by the free NPPES API and guarantees sub-200 ms latency on the provider-lookup endpoint, according to the provider’s SLA [DevTo]. The inclusion of PECOS and LEIE flags lets compliance teams verify provider eligibility at the point of data entry, reducing manual audit effort and the risk of billing errors that trigger CMS penalties.