- Introducing PECOS 2.0
- Provider Enrollment: Announcement About Medicare Participation for Calendar Year 2024
- Understanding Authorized Official and Delegated Official Roles
- Understanding the Approval Recommendation Process for Certified Providers
- View Existing Medicare ID (PTAN) in PECOS and Effective/End Dates for Reassignment
- Legal Business Name Match
- Participating Status on Provider Enrollment Approval Letters
- Instructions for Unfinished PECOS Enrollment Application(s)
- PECOS Correct and Resubmit Application Instructions
- Provider Enrollment Application Process Timeline
- Accreditation of Advanced Diagnostic Imaging and FDA Mammography Equipment
- Change of Tax ID Instructions and Forms
- How to Determine if the Provider is Active and Get the Provider Enrolled in Medicare Part B
- PECOS Application Status Tool
- Information for Physicians Who Refuse to Enroll, Opt-Out of the Medicare Program, or Submit Claims to Medicare
- Revalidation Application Checklist
- Prevent Revalidation Processing Delays
- Issues with Medicare Beneficiary Submitted Claims - We Need Your Help
- Ordering and Referring Points of Interest
Revalidation Application Checklist
Use the Revalidation Application Checklist to assist when revalidating your enrollment information. The general checklist will allow you to understand requirements while the PECOS and CMS-855 paper checklist will give an overview of how to revalidate using that submission method.
Revised 3/15/2024
Helpful Resources
Check Provider Enrollment Application Status
Log Into PECOS
Pay Application Fee
J6 Mailing Address:
National Government Services, Inc.
P.O. Box 6475
Indianapolis, IN 46206-6475
Interactive Voice Response:
877-908-9499
Contact Enrollment:
877-908-8476
Hours Available:
Monday–Friday
8:00 a.m.–4:00 p.m. CT
Form(s) you'll need:
Helpful Resources
Check Provider Enrollment Application Status
Log Into PECOS
Pay Application Fee
JK Mailing Address:
National Government Services, Inc.
P.O. Box 7149
Indianapolis, IN 46207-7149
Interactive Voice Response:
877-869-6504
Contact Enrollment:
888-379-3807
Hours Available:
Monday–Friday
8:00 a.m.–4:00 p.m. ET
Form(s) you'll need: