npi-lookup
ActiveTool of The Stall
US NPI registry lookup — find any licensed US healthcare provider or organization by NPI number, name, state, or specialty. Returns NPI, entity type, name, credentials, specialty/taxonomy, license states, practice address, and active status. 7M+ records from CMS. Use for provider credentialing, healthcare due diligence, billing verification, or AML/KYB screening on medical payments.
Parameters schema
{
"type": "object",
"$schema": "http://json-schema.org/draft-07/schema#",
"properties": {
"npi": {
"type": "string",
"description": "10-digit NPI number for direct lookup (fastest, most precise)."
},
"limit": {
"type": "integer",
"description": "Max results to return (1–50, default 10)."
},
"state": {
"type": "string",
"description": "2-letter US state code to filter by practice location (e.g. 'CA', 'NY')."
},
"last_name": {
"type": "string",
"description": "Provider last name (individual providers). Supports wildcard with '*' suffix (e.g. 'Smi*')."
},
"specialty": {
"type": "string",
"description": "Taxonomy/specialty description to filter (e.g. 'Internal Medicine', 'Cardiology', 'Psychiatry')."
},
"first_name": {
"type": "string",
"description": "Provider first name (individual providers only)."
},
"postal_code": {
"type": "string",
"description": "5-digit ZIP code to filter by practice location."
},
"organization": {
"type": "string",
"description": "Organization name for NPI-2 (group practices, hospitals, labs, etc.)."
}
},
"additionalProperties": false
}No endpoints wrapped at confidence ≥ 0.70.
Parent server
The Stall
1/7 registries