How to Perform a PECOS Lookup to Verify Physician Credentials

What is PECOS?
Created by CMS, PECOS stands for Provider, Enrollment, Chain and Ownership System and is a database for physicians who have registered with CMS. The Affordable Care Act requires physicians and other eligible non-physician practitioners (NPPs) to enroll in the Medicare Program to order/refer items or services for Medicare beneficiaries. Medicare will deny claims for services or supplies that require an order/referring provider to be identified,

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