Medicare Open Enrollment 2027: 5 Changes to Check Before December 7

Medicare Open Enrollment runs October 15 to December 7, 2026, for coverage that starts January 1, 2027. Here are 5 changes to check before the deadline, and how to compare plans for free. ⏱ Chapters 00:00 The Dec 7 deadline 00:40 What open enrollment lets you do 01:09 Part D limit rises to $2,400 01:51 New negotiated drug prices 02:28 Your Annual Notice of Change 03:11 Temporary premium help ends 03:35 Social Security COLA & Part B 04:12 How to compare plans for free 04:56 Your Jan–Mar safety net 05:28 Recap 📚 Official sources Medicare.gov — Plan Finder: https://www.medicare.gov/plan-compare CMS — 2026 Medicare premiums and deductibles; 2027 Part D parameters SSA — 2027 cost-of-living adjustment SHIP free counseling: https://www.shiphelp.org Last reviewed: October 2026 Educational content only. Not affiliated with or endorsed by the U.S. government or the federal Medicare program. Not insurance, legal, tax or financial advice. We don't recommend specific plans or companies. For personalized help, contact Medicare.gov, 1-800-MEDICARE, or your local SHIP (shiphelp.org).