PECOS enrollment
PECOS: Medicare Online Enrollment
The complete guide to enrolling via the CMS online portal — faster than paper, required for most provider types.
PECOS guides
Creating a PECOS Account
Step-by-step account setup before your first enrollment submission.
Read →Submitting Your Enrollment
Walk through submitting a new CMS-855 application via PECOS.
Read →PECOS Revalidation
Revalidation requirements, deadlines, and how to complete them.
Read →PECOS Problems & Fixes
Common PECOS errors, login issues, and application status questions.
Read →