NPI (National Provider Identifier)

identity.medical.npi

10-digit numeric identifier for US healthcare providers, issued by CMS. Includes a Luhn check digit as the 10th digit. Required for HIPAA transactions. Format: exactly 10 digits starting with 1 or 2.

Domain

identity

Try it

CLI

$ finetype infer -i "1234567893"
→ identity.medical.npi

DuckDB

Detect

SELECT finetype('1234567893');
-- → 'identity.medical.npi'

Cast expression

CAST({col} AS VARCHAR)

Safe cast pipeline

-- Normalise and cast in one step
SELECT TRY_CAST(finetype_cast(my_column) AS VARCHAR) AS clean_value
FROM my_table
WHERE finetype(my_column) = 'identity.medical.npi';

JSON Schema

finetype schema identity.medical.npi

{
  "$id": "https://meridian.online/schemas/identity.medical.npi",
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "description": "10-digit numeric identifier for US healthcare providers, issued by CMS. Includes a Luhn check digit as the 10th digit. Required for HIPAA transactions. Format: exactly 10 digits starting with 1 or 2.",
  "examples": [
    "1234567893",
    "1003000126",
    "1992789456"
  ],
  "maxLength": 10,
  "minLength": 10,
  "pattern": "^[12]\\d{9}$",
  "title": "NPI (National Provider Identifier)",
  "type": "string",
  "x-finetype-broad-type": "VARCHAR",
  "x-finetype-transform": "CAST({col} AS VARCHAR)"
}

Examples

123456789310030001261992789456

Aliases

national_provider_identifierprovider_id