Frequently Asked Questions
The National Provider Identifier (NPI) is a unique 10-digit number issued to healthcare providers in the United States by the Centers for Medicare and Medicaid Services (CMS).
PECOS (Provider Enrollment, Chain, and Ownership System) is Medicare's online enrollment system. A provider must be enrolled in PECOS to receive Medicare payments.
Provider data from the NPI Registry and PECOS databases is typically updated by CMS on a monthly basis. This service checks for updates daily.