Medicare Provider Enrollment/Provider Enrollment, Chain and Ownership System (PECOS)

News on Medicare Enrollment 

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Resources and Tools

 General Enrollment Resources 

  • CMS resource to determine what organization (MAC or EUS) to contact for enrollment related questions
  • CMS article outlining the difference between a National Provider Identifier (NPI) and a Provider Transaction Access Number (PTAN)
  • CMS MLN Matters article and enrollment fee matrix outlining the Medicare enrollment fee for certain providers
  • CMS article outlining details for providers who wish to opt out of Medicare
  • CMS FAQs on Medicare enrollment


Medicare Ordering/Referring and Revalidation

  • MGMA and AMA Fact Sheet on Medicare Ordering/Referring Requirements
  • The Medicare Enrollment Guidelines for Ordering/Referring Providers focuses on requirements for eligible ordering/referring physicians, including information on the basic requirements for ordering and referring and who may order and refer for Part B and DMEPOS beneficiary services
  • CMS article outlining Medicare’s 7 year documentation requirement for ordered/certified DMEPOS, clinical laboratory, imaging or home health services
  • CMS ordering and referring list, located in the download section
  • CMS article outlining Medicare Revalidation


Enrollment forms, PECOS, NPPES


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