---
id: "us_cms_ccn"
kind: "datatype"
status: "draft"
is_pii: false
categories: ["medical"]
country: ["US"]
langs: ["en"]
quality: 75
url: "https://registry.apicrafter.io/datatype/us_cms_ccn"
---

# CMS Certification Number (CCN) (`us_cms_ccn`)

> **Draft.** Draft records have not been reviewed yet and may be incomplete or wrong; do not treat them as authoritative for legal or compliance decisions.

Six-character number of a provider certified for Medicare and Medicaid by the US Centers for Medicare & Medicaid Services (CMS), formerly the Medicare provider number. The first two digits are the state code (01 Alabama) and the rest the facility; the third character is a letter for some kinds of provider.

- Parent datatype: `id`
- Personal data (PII): no
- Categories: Medical/pharma identifiers (medical)
- Countries: United States (US)
- Languages: English (en)
- Classification: identifier

## Detection

Regular expression (Python `re`):

```
^\d{2}[0-9A-Z]\d{3}$
```

## Examples

- `010001` — Hospital in Alabama
- `010005` — Hospital in Alabama
- `10001` (invalid example) — Leading zero dropped

## Sources

- doc: <https://resdac.org/cms-data/variables/provider-number>

## Quality

Score 75/100. Missing: mapping (Wikidata, Schema.org, ...), translation, detector coverage.

JSON: <https://registry.apicrafter.io/api/v1/datatypes/us_cms_ccn.json> · Edit: <https://github.com/apicrafter/metacrafter-registry/edit/main/data/datatypes/US/medical/us_cms_ccn.yaml>