Npi Providers MCP Server

by cyanheads Your server? Claim it

answering

Npi Providers MCP Server is answering right now. Last checked 6 min ago. 78 installs a week from npm. It exposes 3 tools. Last commit 25 Aug 2026.

Search NPPES providers and resolve NUCC specialty codes via MCP over STDIO or Streamable HTTP.

Installs per day peak 161 · avg 16 · +186% w/w

a month agotoday

Uptime history 47 days of history · worst day 0%

47 days agonow

100.0%

Uptime 24h

92 of 92 checks

Tools

read from the server

350 ms

Response time

average over 24h

Installs / week

npm and PyPI

What changed 6

Every tool that appeared, vanished or quietly changed what it asks for. Recorded since 25 August 2026. No other catalogue keeps this.

25 Aug 3 tools changed the parameters they ask for npi_get_provider, npi_lookup_taxonomy, npi_search_providers

25 Aug 2 tool descriptions were rewritten npi_lookup_taxonomy, npi_search_providers

25 Aug a tool changed version

Nothing serious here today

Today is the operative word: we check Npi Providers MCP Server every 15 minutes and re-read its code on every release. Watch it and you find out the day that stops being true.

Connect this server

Endpoint below is the one we actually reach during checks — not the one copied from a README. Last verified 6 min ago.

Claude Code Claude Desktop Codex Cursor VS Code

run in your terminal

claude mcp add npi-providers-mcp-server --transport http https://npi-providers.caseyjhand.com/mcp

~/Library/Application Support/Claude/claude_desktop_config.json

{
  "mcpServers": {
    "npi-providers-mcp-server": {
      "url": "https://npi-providers.caseyjhand.com/mcp"
    }
  }
}

~/.codex/config.toml

[mcp_servers.npi-providers-mcp-server]
url = "https://npi-providers.caseyjhand.com/mcp"

.cursor/mcp.json

{
  "mcpServers": {
    "npi-providers-mcp-server": {
      "url": "https://npi-providers.caseyjhand.com/mcp"
    }
  }
}

.vscode/mcp.json

{
  "mcpServers": {
    "npi-providers-mcp-server": {
      "url": "https://npi-providers.caseyjhand.com/mcp"
    }
  }
}

This one needs environment variables set before it will start: MCP_HTTP_HOST (The hostname for the HTTP server.), MCP_HTTP_PORT (The port to run the HTTP server on.), MCP_HTTP_ENDPOINT_PATH (The endpoint path for the MCP server.), MCP_AUTH_MODE (Authentication mode to use: 'none', 'jwt', or 'oauth'.), MCP_LOG_LEVEL (Sets the minimum log level for output (e.g., 'debug', 'info', 'warn').), NPPES_API_BASE_URL (NPPES NPI Registry API base URL. Override for a private mirror or testing.), NPPES_TIMEOUT_MS (Per-request HTTP timeout for NPPES calls, in milliseconds.). The author declared them in the registry entry; get the values from the project itself.

Available tools 3

Read directly from the server with tools/list, grouped by what they act on. If a tool disappears, we record the date.

npi

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.

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.

Endpoints

URL	Transport	State	Latency	Checked
https://npi-providers.caseyjhand.com/mcp	streamable-http	answering	440 ms	6 min ago

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Npi Providers MCP Server — questions

Answers built from our own checks of this server.

What can Npi Providers MCP Server do?

It exposes 3 tools, read directly from the server on our last check. Among them: npi_get_provider, npi_lookup_taxonomy, npi_search_providers. The full list with descriptions is on this page — we take it from the server itself via tools/list, not from a README. How MCP servers expose tools in the first place →

Is Npi Providers MCP Server working right now?

We send a real MCP handshake every 15 minutes. Over the last 24 hours 92 of 92 checks got a reply (100.0%), average response time 350 ms. The bar chart above shows every period we have measured.

How do I connect Npi Providers MCP Server?

Copy the ready config from this page — we generate it for Claude Code, Claude Desktop, Codex, Cursor and VS Code, each with the file path that client actually reads. It is a remote server, so there is nothing to install — the client connects to the address.

Does Npi Providers MCP Server need an API key?

No. Npi Providers MCP Server completed a full MCP handshake with us as an anonymous client and listed its tools without asking for anything. All 3 of them are readable on this page. This is what we observed, not what the docs claim.

How fast is Npi Providers MCP Server?

It answers our handshake in 350 ms on average, which is faster than 44% of all working MCP servers we measure. The comparison comes from our own checks across the whole registry, every 15 minutes.

How many people use Npi Providers MCP Server?

The npm package @cyanheads/npi-providers-mcp-server was installed 78 times in the last week. Week over week that is +186%. We show installs rather than GitHub stars on purpose: a star is a bookmark, an install is someone actually running it.

Is Npi Providers MCP Server open source?

Yes — it is published under the Apache-2.0 licence, written in TypeScript, 1 stars on GitHub and 8 open issues. The source link is on this page, so you can read exactly what it does with your data before you connect it.