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Provider Enrollment


All providers who treat Medicare patients are required to enroll with Medicare. There are exceptions for provider that wish to "opt out" of Medicare. Please refer to the Opting Out of Medicare link below.

  • The fastest and most efficient way to enroll or make changes to your enrollment is to use the Internet Based PECOS. You may enroll or change your Medicare information online at https://pecos.cms.hhs.govExternal Website. For a faster submission, we encourage you to electronically sign the Application. If you choose not to sign electronically, you must print, sign and date the certification statement and mail to our office within seven days of electronic submission. Please mail the certification statement to:
    CGS – J15 Provider Enrollment
    PO Box 20017
    Nashville, TN 37202
    If you choose to complete the paper application to enroll or make changes to your Medicare application, please access the Provider Enrollment Interactive Help Tool to facilitate the application process.
  • Some providers must pay a fee to enroll or change their enrollment information. Refer to the CMS Medicare Application Fee Web pageExternal Website for more information.
  • If you received a request to revalidate your enrollment information, refer to the Revalidation section of this web page for tips for success.
  • If you order or refer services from clinical laboratories, imaging centers, suppliers of Durable Medical Equipment, Prosthetics, Orthotics, or Supplies (DMEPOS), or Home Health Agencies, be aware that these entities need your name and individual NPI in order to submit claims. Read more in this CMS Fact SheetExternal PDF.
  • If you perform services or provide supplies based on orders or referrals: find the list of physicians and practitioners eligible to order and refer services and that have valid enrollment records in PECOS on this CMS Web pageExternal Website(under Downloads).
  • For additional information regarding physicians or other eligible professionals who prescribe Part D drugs, access this CMS Web pageExternal Website.
  • For additional assistance, call our Provider Contact Center at 866.276.9558 and select Option 3.
  • Other helpful resources:

Provider Enrollment Quick Links

Updated: 06.30.17

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