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CMS Medicare Fee-For-Service Public Provider Enrollment (PECOS) 2026-10-01

First release we loaded: 3,030,022 records. Effective 2026-10-01; published 2026-10-25, 0.1 h after the source.

Changed records

The first release we loaded: every record is new, so there is no change list.

Records are keyed as the API keys them (codes without the dot). JSON: GET /v1/changes?dataset=medicare-enrollment&version=2026-10-01 (Builder plan and up).