April 16, 2019
Attention myCGS Medicare Beneficiary Identifier (MBI) Look-Up Tool Users
The Centers for Medicare & Medicaid Services (CMS) announced two upcoming outages to the Medicare MBI Look-Up tool. The first MBI Look-Up tool outage will begin at 8:30 AM ET on Sunday, April 21, 2019. The Medicare MBI Look-Up tool will be unavailable during this period. CMS estimates that the maintenance window will be completed by 6:00 PM ET on Sunday, April 21, 2019.
The second MBI Look-Up tool outage will begin at 8:30 PM ET on Friday, April 26, 2019. The Medicare MBI Look-Up tool will be unavailable during this period. CMS estimates that the maintenance window will be completed by 12:30 PM ET on Saturday, April 27, 2019.