A Medicare provider number (Provider Transaction Access Number or PTAN) may be deactivated for a variety of reasons (e.g., no claims received for a period of time or the provider has requested that an old billing number be terminated). If you need to reactivate a PTAN that has been deactivated, refer to the following list to determine which application form to submit.
  • Individual Provider - complete the CMS-855I application
  • Group Member - complete both the CMS-855I and the CMS-855R applications
  • Group or Organization - complete the CMS-855B application. Note that reactivating a group PTAN does not automatically reactivate the group members that are reassigned to that group. To reactivate PTANs for individual providers associated with a deactivated group, complete CMS-855I applications for the individuals.

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Provider Contact Center: 877-567-7271

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