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