« All Events This event has passed. Open Enrollment closes for Silver, Gold and Platinum Participants December 31, 2018 « 2019 Open Enrollment Packet Mails for Platinum Plus & Non-Medicare Retirees Open Enrollment closes for Retirees with Medicare & Split Medicare » Add to calendar Google Calendar iCalendar Outlook 365 Outlook Live Details Date: December 31, 2018 Event Categories: Deadline, Healthcare