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Grok

NPI Who for Grok

io.github.npiwho/npiwho

US health care providers by NPI, name or phone, with payments, Medicare, OIG and facility data.

client:Grok transport:streamable-http tools:6

Install NPI Who in Grok

.mcp.json (in your project root)

{
  "mcpServers": {
    "npiwho": {
      "type": "http",
      "url": "https://npiwho.com/mcp"
    }
  }
}

Grok Build reads Claude Code's .mcp.json and Claude Desktop's config unchanged, so a server you have already set up there needs nothing new. The Grok web app and X integration do not take custom servers. Grok docs

What Grok can do once it is connected

NPI Who in other clients