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Center for Medicare and Medicaid Services- (CMS), Provider Enrollment Chain Ownership System (PECOS), National Plan and Provider Enumeration System (NPPES)

Published by Social Security Administration | Social Security Administration | Metadata Last Checked: August 09, 2025 | Last Modified: R/P1W
Verify the accuracy of SSNs of all individual Medicare providers, owners, managing/directing employees, authorized representatives, ambulance service medical directors, ambulance crew members, technicians, chain organization administrators, Independent Diagnostic Test Facility (IDTF), supervising/directing physicians, and IDTF interpretation service providers. Also included in this Agreement are individual health care providers who apply for a National Provider Identification Number (NPI).

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