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San Francisco Marin Medical Society Blog

Save Time – Submit Your Medicare Enrollment Application through Internet-Based PECOS

Internet-based PECOS (Provider Enrollment, Chain, and Ownership System) now allows providers and suppliers to sign Medicare enrollment applications electronically. Providers can save time and expedite review of your application by using internet-based PECOS.  (This feature does not change who is required to sign the application.)

In internet-based PECOS, all Individual Provider applications that do not include new reassignments may e-sign the application as part of the submission process. This applies to Physicians and Non-Physician Practitioners, including those enrolling just to order and refer.

Any Organizational Provider applications that are submitted via internet-based PECOS will require the user completing the application to provide an email address for the authorized official/delegated official (AO/DO) of the application as part of the submission process. The AO/DO can then follow the instructions in the email and electronically sign the application. This applies to Institutional Providers; Clinics, Group Practices, and Certain Other Suppliers; and Durable Medical Equipment, Prosthetics, Orthotics, and Supplies (DMEPOS) Suppliers.

Any Individual Provider application (855-I) containing new reassignments (855-R) can be electronically signed as part of the submission process; however, you must select the AO/DO for the Organization that is accepting the reassignment and enter that official’s email address. The official then will be required to follow the instruction in the email and electronically sign the application.

If an individual provider or AO/DO does not want to make use of the e-signature process, they can simply follow the current process of printing and signing the certification statement (which then needs to be mailed to their appropriate contractor).

Learn more about PECOS at, and be on the look-out for more enhancements in the coming months! 

Questions concerning a system issue regarding PECOS should be referred to the CMS EUS Help Desk at (866) 484-8049 or

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