US National Provider Identifier (NPI) records from the CMS NPPES NPI Registry, s
US National Provider Identifier (NPI) records from the CMS NPPES NPI Registry, searched by last name and 2-letter state: NPI number, name, credential, primary taxonomy, practice city and state, and last update date. Individual providers (NPI-1) only.
Answeringour last check, 2026-10-24
1 of 1checks answered this week
30 msmedian answer time
$0.002listed price per call
$0.002price it asked us
Paid test badge: not yet. The checks above are free: we call the tool without paying and read the payment request it sends back. The Verified badge needs paid calls whose answers match the promised output, and nobody can buy a badge.
Endpoint
GET https://api.companyrecords-api.workers.dev/api/gov/npi-registry
| Category | Company and compliance |
|---|---|
| Provider host | api.companyrecords-api.workers.dev |
| Networks | eip155:10, eip155:137, eip155:143, eip155:42161, eip155:42220, eip155:480, eip155:5042, eip155:8453, solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp, stellar:pubnet, xrpl:0 |
| Payment schemes | exact |
| Self-reported calls, 30 days | 2 from 2 payers (the provider's figure, not ours) |
Our checks, last 30 days
| Day | Result | HTTP | Asked | Time |
|---|---|---|---|---|
| 2026-10-24 | valid payment request | 402 | $0.002 | 30 ms |
Example input (from the provider)
{
"method": "GET",
"queryParams": {
"lastName": "Smith",
"limit": "2",
"state": "CA"
},
"type": "http"
}
Promised output schema (from the provider)
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET"
],
"type": "string"
},
"queryParams": {
"properties": {
"lastName": {
"description": "Provider last name, 2 to 40 letters",
"type": "string"
},
"limit": {
"description": "Records to return, 1 to 20 (default 5)",
"type": "string"
},
"state": {
"description": "2-letter US state code, e.g. CA",
"type": "string"
}
},
"required": [
"lastName",
"state"
],
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}