Your Medicare Annual Notice of Change: What to Read First

Sep 17

Written By April .

Medicare Monday: Medicare made clear

A letter from your Medicare plan can be easy to set aside with the rest of the mail. This one deserves a closer look: your Annual Notice of Change, often shortened to ANOC.

If you have a Medicare Advantage or Medicare drug plan, look for your plan’s fall notice. Medicare.gov says the ANOC arrives in September and explains changes in coverage, costs and other plan details that take effect in January. If you do not receive it, contact your plan. [1]

The goal is not to decide immediately that you need different coverage. Start by understanding what the notice says—and which questions you still need answered.

First, check the plan name and year

Before highlighting anything, look at the cover. Is this the notice for your current plan? Does it describe the coming year? Keep it with your current plan information so you can distinguish what applies now from what will apply later.

For a notice received this fall, pay attention to the dates printed in the document. Do not assume that a change described for January applies to a prescription refill or appointment today.

Write the plan name and document year at the top of a notebook page. Then divide the page into three headings: “What changed,” “Why it matters to me” and “What I need to ask.”

Use the ANOC and Evidence of Coverage together

The ANOC focuses on changes. A different document, the Evidence of Coverage, or EOC, explains what the plan covers, what you pay and other details about how the plan works. Medicare.gov says plans provide an EOC each year, usually in the fall. Contact your plan if you do not receive it. [2]

You do not have to read both documents in one sitting. Begin with the notice, mark the sections relevant to you, and use the EOC to look more closely at a benefit or rule you do not understand.

Record the page number beside each question. That small step makes it easier to find the same wording when speaking with the plan.

Turn the notice into a focused question list

Instead of trying to judge the entire plan from one number or headline, organize your review around how you use your coverage.

Consider these prompts as you read:

Which changes does the notice identify?
Which of those changes relate to services or prescriptions I use?
Where can I find the full explanation in the plan documents?
What am I still assuming rather than confirming?
Who can answer each unresolved question?

A useful note is specific: “Please explain this change on page 12.” It is more actionable than “I think something is different.”

Leave room for answers. If a section is unclear, label it “needs clarification” instead of guessing what it means.

Give prescription information its own check

If your plan includes drug coverage, use the exact names of your medications when asking questions. Each Medicare drug plan has its own list of covered drugs, called a formulary. [3]

Have your medication list beside the plan materials. Ask where to verify each drug for the coming year, whether any relevant coverage rules need attention, and where to confirm the pharmacy information that applies to you.

Do not treat a familiar medication name or a familiar plan name as the answer. Write down the document, webpage or plan representative used to check the information, along with the date.

This is an information-gathering step, not an instruction to stop or change a medication. Keep treatment questions with your health care professional.

Separate reviewing from enrolling

Reading a notice does not require you to make an enrollment decision that day.

Medicare Open Enrollment runs October 15 through December 7. It allows certain changes to Medicare Advantage and Medicare drug coverage; the choices available depend on the coverage you have now. Changes take effect January 1 of the following year when the plan receives the enrollment request by December 7. [4]

Do not assume that this fall window guarantees access to every kind of coverage. Medicare.gov specifically notes limits on when you can add Medicare Supplement Insurance, also called Medigap. [4]

If you are considering a change, ask about the applicable enrollment opportunity and effective date before taking action. Do not cancel coverage based only on an initial reading of a notice.

Your next-conversation checklist

Bring your ANOC, the relevant EOC pages and your notes. Start with these questions:

Can you explain this change using the exact plan wording?
Which details still need to be verified for next year?
Am I looking at the correct plan and document year?
What additional information should I gather?
What should I do next, and by when?

You can also contact your plan directly for explanations of its documents. The aim is to leave the conversation with clear answers and a practical next step—not pressure to decide before you understand.

Have Medicare questions about where to begin? Bring your notice and question list to Ask April Mai. We can start with what you want explained and identify the information needed for your next conversation.

General educational information only; not individualized insurance or medical advice or a recommendation to enroll in, replace or cancel coverage. Ask April Mai is not affiliated with or endorsed by the U.S. government or the federal Medicare program. Consult current plan documents for applicable coverage and terms. Information checked September 17, 2026.