Each fall, Medicare beneficiaries receive an Annual Notice of Change (ANOC) letter from their current Medicare Advantage (Part C) or Prescription Drug (Part D) plan provider. This document is extremely important because it outlines all of the changes to your plan that will take effect in the upcoming year. These changes can include monthly premiums, deductibles, co-pays, provider networks, drug formularies, and benefits. Even small changes can have a big impact on your healthcare costs and coverage, so it is essential to review this letter carefully.
The ANOC arrives by September 30 each year, giving you time to review the details before the Medicare Annual Enrollment Period (October 15 – December 7). This is your opportunity to decide if your current plan is still the best fit or if switching to another plan would better serve your needs.
Three Action Steps You Should Take
- Review the Letter in Detail
Do not set it aside. Take time to read through the premium, co-pay, and coverage changes for the coming year. Pay close attention to the drug formulary to ensure your prescriptions are still covered affordably. - Compare With Your Current Needs
Consider how your health or prescription needs may have changed over the past year. If you have new doctors, medications, or services, check whether your current plan will continue to provide adequate coverage. - Schedule a Review with an Independent Agent
Even if your plan still looks good, it is always wise to compare your options. An independent licensed Medicare agent can show you all the available plans in your area, explain the differences, and help you determine if staying put or switching will benefit you most.
Bottom line: The Annual Notice of Change letter is not junk mail—it is a critical tool for protecting your health coverage and budget. By reviewing it carefully, comparing it with your current needs, and seeking professional guidance, you can ensure that your Medicare plan continues to serve you well in the year ahead.

