Npi Registry MCP runs on your own machine — the client starts it, so there is no endpoint to ping. 830 installs a week from npm. Last commit 28 Oct 2026.
CMS NPI Registry: look up US healthcare providers and organisations by NPI, name, state or taxonomy
Today is the operative word: we check Npi Registry MCP every 15 minutes and re-read its code on every release. Watch it and you find out the day that stops being true.
This server runs on your own machine — install it with the package manager and the client starts it for you. Package name taken from the official registry entry.
claude mcp add npi-registry-mcp -- npx -y @mrfentmen/npi-registry-mcp
{
"mcpServers": {
"npi-registry-mcp": {
"command": "npx",
"args": [
"-y",
"@mrfentmen/npi-registry-mcp"
]
}
}
}
[mcp_servers.npi-registry-mcp]
command = "npx"
args = ["-y", "@mrfentmen/npi-registry-mcp"]
{
"mcpServers": {
"npi-registry-mcp": {
"command": "npx",
"args": [
"-y",
"@mrfentmen/npi-registry-mcp"
]
}
}
}
{
"servers": {
"npi-registry-mcp": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"@mrfentmen/npi-registry-mcp"
]
}
}
}
Look up US healthcare providers and organisations by NPI.
US health care providers by NPI, name or phone, with payments, Medicare, OIG and facility data.
Verify any US doctor, dentist, therapist or clinic by NPI number. Free npi_lookup tool.
9,846 ADHD evaluation providers from the CMS NPI Registry.
Look up MCP Registry declarations, npm package status, and daily observations of MCP servers.
Health and token cost of every remote MCP registry server, probed daily. Look up, search, or probe.
Czech business register (ARES) — look up any Czech company or sole trader by IČO or by name, and…
Read and write NexHealth appointments, patients, providers and locations.
Answers built from our own checks of this server.