`search`

Pack: npi-registry · Endpoint: https://gateway.pipeworx.io/npi-registry/mcp

Search providers by any combination of fields. NPI Registry requires at least one filter — supply at least name/organization/taxonomy/postal_code/state.

Parameters

Name	Type	Required	Description
`number`	string	no	10-digit NPI
`name`	string	no	Full provider name (use along with type)
`first_name`	string	no
`last_name`	string	no
`organization_name`	string	no
`taxonomy`	string	no	Taxonomy code or description (e.g. “Internal Medicine”)
`city`	string	no
`state`	string	no	Two-letter state code
`postal_code`	string	no	5-digit ZIP (or first 3 with wildcard ”*“)
`country_code`	string	no	US (default) \| other ISO country
`npi_type`	string	no	NPI-1 (individual) \| NPI-2 (organization)
`address_purpose`	string	no	LOCATION (default) \| MAILING \| PRIMARY \| SECONDARY
`limit`	number	no	1-200 (default 10)
`skip`	number	no	0-based offset (max 1000)

Example call

Arguments

{
  "name": "John Smith",
  "taxonomy": "Internal Medicine",
  "state": "CA"
}

curl

curl -X POST https://gateway.pipeworx.io/npi-registry/mcp \
  -H 'Content-Type: application/json' \
  -d '{"jsonrpc":"2.0","id":1,"method":"tools/call","params":{"name":"search","arguments":{"name":"John Smith","taxonomy":"Internal Medicine","state":"CA"}}}'

TypeScript (@pipeworx/sdk)

import { Pipeworx } from '@pipeworx/sdk';
const pipeworx = new Pipeworx();

const result = await pipeworx.call('search', {
  "name": "John Smith",
  "taxonomy": "Internal Medicine",
  "state": "CA"
});

More examples

{
  "organization_name": "Mayo Clinic",
  "state": "MN",
  "limit": 20
}

Response shape

Field	Type	Description
`results`	array	Array of provider records matching search criteria
`result_count`	number	Total number of results matching query
`Errors`	array	API error messages if any

Full JSON Schema

{
  "type": "object",
  "properties": {
    "results": {
      "type": "array",
      "description": "Array of provider records matching search criteria",
      "items": {
        "type": "object",
        "properties": {
          "number": {
            "type": "string",
            "description": "10-digit NPI identifier"
          },
          "enumeration_type": {
            "type": "string",
            "description": "NPI-1 (individual) or NPI-2 (organization)"
          },
          "basic": {
            "type": "object",
            "description": "Basic provider information",
            "properties": {
              "first_name": {
                "type": "string"
              },
              "last_name": {
                "type": "string"
              },
              "organization_name": {
                "type": "string"
              },
              "credential_text": {
                "type": "string"
              }
            }
          },
          "addresses": {
            "type": "array",
            "description": "Provider address records",
            "items": {
              "type": "object",
              "properties": {
                "address_purpose": {
                  "type": "string"
                },
                "address_type": {
                  "type": "string"
                },
                "address_1": {
                  "type": "string"
                },
                "address_2": {
                  "type": "string"
                },
                "city": {
                  "type": "string"
                },
                "state": {
                  "type": "string"
                },
                "postal_code": {
                  "type": "string"
                },
                "country_code": {
                  "type": "string"
                }
              }
            }
          },
          "taxonomies": {
            "type": "array",
            "description": "Provider taxonomy specializations",
            "items": {
              "type": "object",
              "properties": {
                "code": {
                  "type": "string"
                },
                "taxonomy_description": {
                  "type": "string"
                },
                "primary": {
                  "type": "boolean"
                }
              }
            }
          }
        }
      }
    },
    "result_count": {
      "type": "number",
      "description": "Total number of results matching query"
    },
    "Errors": {
      "type": "array",
      "description": "API error messages if any",
      "items": {
        "type": "string"
      }
    }
  }
}

Connect

Add this to your MCP client config, or use one-click install buttons:

{
  "mcpServers": {
    "npi-registry": {
      "url": "https://gateway.pipeworx.io/npi-registry/mcp"
    }
  }
}

See Getting Started for client-specific install steps.

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