[ALERT] CMS PECOS R7.57.1.1 Release is Live

[ALERT] CMS PECOS R7.57.1.1 Release is Live - 5/11/26

Centers for Medicare & Medicaid Services

This message is for users of the PECOS PI and AI applications in the Production environment.

Release 7.57.1.1 of the Provider Enrollment, Chain and Ownership System (PECOS) is now Live.

The following defect fixes are included in this release:

Fixed an issue in the Revalidation tab in AI where the user received a required error message for NPI despite not being selected.
Fixed an issue in 855B Ambulance Service Supplier MER in PI in which the system displayed a servletException error.

Thank you,

PECOS PROD and UAT Support Teams

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