Dynamic List Information
Dynamic List Data
Transmittal #
R13380CP
Issue Date
2025-08-21
Subject
Changing the Frequency of No-Pay Medicare Summary Notice (MSN) Mailings from Every 120 Days to Every 180 Days
Implementation Date
2026-01-05
CR #
14138
Provider Education
MLN Connects Newsletter Message
Provider Education Release Date
2026-03-05
Publication #
100-04
Transmittal Year
2025
MLN Connects® Newsletter Message
No-Pay Medicare Summary Notice Mailing Frequency Changed to Every 180 Days
The frequency of No-Pay Medicare Summary Notices (MSNs) changed from every 120 days to every 180 days, effective January 1, 2026. Remind your patients that they can go digital to get their MSNs electronically.
More Information:
- Medicare Claims Processing Manual, Chapter 21 (PDF), sections 10 and 10.1
- Instruction to your Medicare Administrative Contractor (PDF)