Last Modified: 3/21/2018 Location: FL, PR, USVI Business: Part A, Part B
Provider enrollment, chain and ownership system (PECOS)
Q. What is PECOS?
A. The Provider Enrollment, Chain and Ownership System (PECOS) is a national database of Medicare provider, physician, and supplier enrollment information. PECOS is used to collect and maintain the data submitted on CMS-855 enrollment forms.
Source: The Centers for Medicare & Medicaid Services (CMS) internet-only Manual (IOM) publication 100-08, chapter 15
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