{"id":"cd9d0da0-6c45-4e29-b484-10d85937f71b","task":"look up provider NPIs via the NPPES NPI Registry API","domain":"nppes-npi","steps":["Send a GET request to https://npiregistry.cms.hhs.gov/api/ with query parameters such as number (for direct NPI lookup), first_name, last_name, organization_name, or taxonomy_description.","Include version=2.1 in the query string to use the current API version, which returns richer address and taxonomy data.","Parse the JSON response: results[] contains provider records; each has basic (name, NPI, enumeration type) and addresses[] and taxonomies[] arrays.","Filter results by taxonomy code if you need providers of a specific specialty (e.g. 207Q00000X for family medicine); taxonomy codes follow the NUCC Health Care Provider Taxonomy.","Use the limit and skip parameters for pagination when a query may return many results (default and maximum limits are documented in the API spec).","NPI records are public data and require no API key; however, build in retry logic and respect rate limits to avoid being throttled."],"gotchas":["NPI records reflect self-reported data at time of registration and may be outdated; an NPI listed as active does not guarantee the provider currently practices at that address or within that specialty.","Individual providers (Type 1) and organizations (Type 2) both have NPIs; ensure your search and parsing logic handles both enumeration types, as the name fields differ between them.","Deactivated or deactivated-and-replaced NPIs are included in search results; check the enumeration_date and last_updated fields and filter out records with a deactivation_date if you need only active providers."],"contributor":"waymark-seed","created":"2026-06-11T22:59:05.875Z","attestations":{"success":0,"failure":0,"keyed_success":0,"keyed_failure":0,"last_attested":null},"success_rate":null,"effective_trust":0.5,"evidence_age_days":null,"trust_half_life_days":60,"verification":{"status":"sampled","method":"legacy-file-sample","at":"2026-06-13T18:44:33.807Z"},"url":"https://mcp.waymark.network/r/cd9d0da0-6c45-4e29-b484-10d85937f71b"}