npi-providers-mcp-server
Search NPPES providers and resolve NUCC specialty codes via MCP over STDIO or Streamable HTTP.
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What it can do
What data it sees
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Search NPPES providers and resolve NUCC specialty codes via MCP over STDIO or Streamable HTTP.
Server tool list (3)
Raw names from tools/list. Only developers need these.
| npi_search_providers | Search the NPPES NPI registry for individual practitioners and healthcare organizations by name, organization name, location, provider type, and specialty. Plain-language specialty terms (e.g. "cardiologist", "pediatric cardiologist") resolve through the bundled NUCC taxonomy; the top match's specialization or classification becomes taxonomy_description, and all resolved candidates are returned in metadata. Location belongs in the dedicated city/state/postal_code inputs, not inside specialty. Each provider row includes the NPI, name, primary specialty, city/state/ZIP, type, and active/deactivated status; the NPI is the input for npi_get_provider when the full record is needed. At least one search criterion is required, and the registry rejects state-only searches. For specialty searches, returned providers are limited to the requested city/state/postal_code even when the registry includes providers outside that location. The registry never reports a true match total and only the first 1200 matches are reachable, so broad queries are capped. |
| npi_get_provider | Fetch the complete NPPES record for one or more NPI numbers (up to 10 per call). Decodes an NPI from a claim, prescription, or another health data source into a fully populated provider profile: every taxonomy with its primary flag, license number and state; all practice and mailing addresses; credential, sex, sole-proprietor flag; enumeration and last-updated dates; active/deactivated status; secondary identifiers (Medicaid, etc.); and FHIR/Direct endpoints. The 10-digit NPI format is validated before any API call. Reports partial success: well-formed NPIs with no registry record (deactivated or never enumerated) land in notFound, while NPIs whose lookup hit an upstream error (registry unavailable, timeout) land in errored — kept distinct from confirmed misses — rather than failing the whole call. |
| npi_lookup_taxonomy | Resolve and browse the NUCC Healthcare Provider Taxonomy — the specialty code set NPPES uses — fully offline (bundled). Mode `resolve` turns a plain-language specialty (e.g. "cardiologist", "heart doctor") into matching taxonomy entries; mode `get` returns the full entry for an exact code; mode `browse` walks the hierarchy (grouping → classification → specialization), optionally filtered by grouping and by NPI section (Individual/NPI-1 vs Non-Individual/NPI-2). A resolved entry's specialization, or its classification when specialization is absent, maps directly to npi_search_providers.taxonomy_description. |