System Upgrade - Medicare Encounter and MMP Submitters Only

Due to a scheduled system upgrade, the Front-End Systems for Medicare Encounter and Medicare-Medicaid submitters will be unavailable beginning Friday, December 30th at 5:00PM ET until Saturday, December 31st at 4:00PM ET.  Submitters may continue to submit files during this time; however, reports will be delayed.

In the event you have questions, please contact CSSC Operations at 1-877-534-2772 (option 2) or by email at

Last Updated: 12/29/2016