CMS Medicare Fee-For-Service Public Provider Enrollment (PECOS): what changed
Every release we published, newest first: how many records it added, changed and retired, when the source published it and when we did. Retired records stay answerable in the API with their end date and, where known, their replacements. RSS.
Releases
| Version | Effective | Source published | We published | Lag | Added | Changed | Retired |
|---|---|---|---|---|---|---|---|
| 2026-10-01 (current) | 2026-10-01 | 2026-10-19 | 2026-10-25 | 0.1 h | First load: 3,030,022 records | ||
* The source gives no publish date, so this is when our pipeline first saw the release. JSON: GET /v1/datasets/medicare-enrollment/releases.