NPI Registry

Install

1. In Claude, open Settings, then Connectors.
2. Find NPI Registry in the directory, or choose Add custom connector and paste the URL below.
3. No sign-in. Turn it on in a chat from the tools menu.

https://hcls.mcp.claude.com/npi_registry/mcp

claude mcp add --transport http npi-registry https://hcls.mcp.claude.com/npi_registry/mcp

Run in a terminal, then run /mcp in Claude Code to sign in.

Add in Claude Open on claude.com

About

The NPI Registry Connector gives Claude access to the US National Provider Identifier (NPI) Registry, containing information about all HIPAA-covered healthcare providers in the United States.

Tools

• npi_lookup
• npi_search
• npi_validate

3 tools. The maker decides what the tools do and can change them. Add connectors only from makers you trust.

From the maker

• Documentation
• Support
• Privacy policy

Facts

Kind

Connector

Category

Healthcare and Life Sciences

Made by

Anthropic

Runs

Remote server

Works in

Claude, Claude Code

Sign-in

Not required

Added

2026-01-07

Source

Anthropic

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