SHINE Open Enrollment Presentation — Monday, October 18, 1:00 pm. Don’t delay — Medicare’s Part C (Medicare Advantage Plan) and Part D (Prescription Drug Plan) Annual Open Enrollment begins October 15 and ends December 7. During the Annual Open Enrollment (October 15 - December 7), you will have a chance to CHANGE your plan. Join SHINE for a Medicare overview and open enrollment presentation for family members and care partners. Please Rsvp to the Mashpee Senior Center, (508) 539-1440, or stop by the front desk to sign up.