Evidence of Coverage (EOC) is a notice you receive from your Medicare Advantage or Part D plan in late September. It lists the plan’s costs and benefits that will take effect on January 1 of the upcoming year. Review the EOC to see if the plan will meet your health care needs in the next year. The EOC is typically mailed with the plan’s Annual Notice of Change (ANOC), which is a notice informing you of plan changes that will take effect the upcoming year.

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