NPI Who
US health care providers by NPI, name or phone, with payments, Medicare, OIG and facility data.
Should I use this
Quality & Safety
Findings (2)
- LOWTool 'nearby_providers' description lacks action verbin nearby_providers
- LOWTool 'data_sources' description lacks action verbin data_sources
Based on automated analysis of tool definitions and protocol compliance.
Context Cost
This is the approximate number of tokens consumed each time the server's tools are loaded into a model's context. Higher counts reduce the attention available for other tasks.
Install
One-Click Install
Add this to your `claude_desktop_config.json` file:
{
"mcpServers": {
"npiwho": {
"url": "https://npiwho.com/mcp"
}
}
}Remote endpoints
https://npiwho.com/mcpstreamable-httpWhat it can do
Tool inventory
Tools (6)
🟡lookup_provider(npi)
One provider by NPI: the registry record, and what the public files have on them (Open Payments total, Medicare billing, OIG exclusion, Medicare clinician record, facility enrollments, claimed-page details) with the page section where each is. The result's url is the page to cite and to send readers to for the detail.
Input Schema
{
"type": "object",
"properties": {
"npi": {
"type": "string",
"description": "The 10-digit National Provider Identifier"
}
},
"required": [
"npi"
],
"$schema": "http://json-schema.org/draft-07/schema#"
}🟢search_providers(query, state, limit)
Find individual providers or organizations by name, optionally within a state. Returns up to 20 matches, best first, each with its page url. Use lookup_provider on a result for the full record.
Input Schema
{
"type": "object",
"properties": {
"query": {
"type": "string",
"minLength": 2,
"description": "A person's name ('maria gonzalez', 'gonzalez'), or an organization name"
},
"state": {
"description": "Two-letter state code, e.g. TX",
"type": "string",
"minLength": 2,
"maxLength": 2
},
"limit": {
"type": "integer",
"minimum": 1,
"maximum": 20
}
},
"required": [
"query"
],
"$schema": "http://json-schema.org/draft-07/schema#"
}⚪lookup_phone(phone)
Providers whose registry practice phone, or a phone they published on a claimed page, is this number. Any US format. Providers who asked for their phone to be withheld are not returned.
Input Schema
{
"type": "object",
"properties": {
"phone": {
"type": "string",
"description": "A US phone number in any format"
}
},
"required": [
"phone"
],
"$schema": "http://json-schema.org/draft-07/schema#"
}⚪nearby_providers(npi, zip, taxonomy, limit)
The providers with the same specialty nearest a given provider (by NPI) or a ZIP code and specialty, by distance between ZIP code centres. Up to 12.
Input Schema
{
"type": "object",
"properties": {
"npi": {
"description": "Start from this provider's specialty and ZIP",
"type": "string"
},
"zip": {
"description": "Or a 5-digit ZIP code, with taxonomy",
"type": "string"
},
"taxonomy": {
"description": "NUCC taxonomy code, e.g. 207Q00000X for family medicine; required with zip",
"type": "string"
},
"limit": {
"type": "integer",
"minimum": 1,
"maximum": 12
}
},
"$schema": "http://json-schema.org/draft-07/schema#"
}🟢list_facilities(kind, state, city, limit)
Medicare-certified home health agencies, hospices, hospitals, nursing homes, or HRSA health centers (FQHCs) in a state, optionally one city. Up to 50 rows with page urls; the full list and a CSV are at the state page url.
Input Schema
{
"type": "object",
"properties": {
"kind": {
"type": "string",
"enum": [
"home-health",
"hospice",
"hospital",
"nursing-home",
"health-center"
]
},
"state": {
"type": "string",
"minLength": 2,
"maxLength": 2,
"description": "Two-letter state code"
},
"city": {
"type": "string"
},
"limit": {
"type": "integer",
"minimum": 1,
"maximum": 50
}
},
"required": [
"kind",
"state"
],
"$schema": "http://json-schema.org/draft-07/schema#"
}⚪data_sources
Which public files this data comes from, their snapshot dates, and what they do not cover.
Input Schema
{
"type": "object",
"properties": {},
"$schema": "http://json-schema.org/draft-07/schema#"
}Community
Evidence