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CA-MMIS Mainframe Test Environment Upgrade Scheduled for December 2017

December 5, 2017

A required upgrade to the California Medicaid Management Information System (CA-MMIS) mainframe test environment is scheduled to take place on December 10, 2017, between 12 a.m. and 12 p.m. During the upgrade to the test environment, the CA-MMIS mainframe production environment will continue to be available.

A System Status Alert will be posted on the Medi-Cal website the Friday before the scheduled system upgrades. The alert will provide additional details, including the anticipated extended maintenance window timeframe.

Providers who subscribe to the Medi-Cal Subscription Service (MCSS) and select the “System Status Alerts” option will receive an email notification when an alert is posted on the Medi-Cal website. Providers who have not yet subscribed are encouraged to do so by completing the MCSS Subscriber Form.