Annual Open Enrollment Period for Medicare Advantage (Part C) and Medicare prescription drug plans (Part D) ends Dec. 7.
Coverage changes made during that period generally take effect January 1, 2026.
For the 2026 plan year, open enrollment for the Affordable Care Act in Missouri and Kansas is
- Dec. 16 to have coverage starting Jan. 1, 2026
- The last day for enrolling or changing plans for 2026 is Jan. 15, 2026 for insurance coverage effective Feb. 1, 2026.
No, there hasn’t been an extension of the expanded subsidies that were at the heart of the government shutdown. To make sure you don’t have a lapse in your insurance, make sure to act by Dec.15 and all you can do is make your decision based on the status of the subsidies at the time of your enrollment.