Medicare Annual Election Period (AEP) Annual Election Period 10/15/21 to 12/7/21* Days Left The Medicare AEP is the period each year during which you may change your Medicare Advantage plan. Enroll by Dec. 7, 2021 for coverage that starts Jan. 1, 2022. We can help you enroll or answer your questions. Call us at 303-602-2451. More benefits, more time for life. Elevate Medicare Select (HMO) gives you what you need, when you need it: meaningful benefits, low cost to you and an expanded provider network.