Do You Have To Sign Up For Medicare Every Year

You do not have to sign up for Medicare every year once you are enrolled

Once you are registered for Medicare, your coverage continues automatically each year unless you cancel it or lose may be able to access. You do not need to re-enroll or take any action to keep your coverage active. However, there are specific times when you can make changes to your coverage — and missing those windows means waiting until the next one opens.

The confusion usually comes from the difference between staying enrolled (automatic) and changing your coverage (requires action during open periods). If you are happy with your current plan, you do nothing. If you want to switch plans, change your coverage type, or add or drop coverage, you must act during one of three annual windows.

Key Takeaways

Your Medicare coverage renews automatically each year — you do not have to sign up again or submit paperwork to stay covered.
If you want to change plans or coverage types, you must act during the Annual Enrollment Period (October 15 to December 7) or a Special Enrollment Period if a may have access to event occurs.
Missing the Annual Enrollment Period means your current plan stays in place for another full year, and you cannot switch until the next October.
Changes you make during enrollment take effect January 1 of the following year, so plan ahead if you need different coverage starting in January.
If you miss the important date and have a may have access to life event (like losing employer coverage or moving), you may open a Special Enrollment Period outside the normal window.

The Annual Enrollment Period: When you can actually change plans

The Annual Enrollment Period (AEP) runs from October 15 through December 7 each year. This is the only time most people can switch Medicare plans, add or drop coverage, or change from Original Medicare to a Medicare Advantage plan (or vice versa).

During this window, you can change your Part D prescription drug plan, switch to a different Medicare Advantage plan, drop Medigap coverage, or add it. Any changes you make take effect on January 1. If you do not make changes during this period, your current plan automatically renews for the next year with the same coverage and any new premium amounts.

You do not have to change plans during AEP. Many people keep the same coverage year after year. But if you want to switch — because your doctor left the plan, your medications are no longer covered, or you found a cheaper option — October 15 to December 7 is your only chance unless a may have access to event happens.

Special Enrollment Periods: Changing plans outside the normal window

A Special Enrollment Period (SEP) lets you change Medicare plans outside of October and December if certain life events occur. These events include losing employer coverage, moving to a new state, getting married or divorced, or having a significant change in income.

The window to act after a may have access to event is usually 60 days, though the exact timeline depends on the event. For example, if you lose employer coverage on June 15, you typically have until August 14 to switch plans. If you move to a new state, you usually have two months from the move date. You must contact your plan or Medicare directly to request the SEP — it does not open automatically.

Not all life changes trigger a SEP. Retiring, turning 65, or straightforward wanting a different plan do not may have access to. The event must directly affect your ability to keep your current coverage or your need for different coverage. If you are unsure whether your situation qualifies, call Medicare at 1-800-MEDICARE to ask before the 60-day window closes.

What happens if you miss the enrollment window

If you do not make changes during the Annual Enrollment Period and do not have a may have access to event for a Special Enrollment Period, your current plan stays in place for the next calendar year. You cannot switch plans, add coverage, or drop coverage until the next October 15.

The only exception is if you are in Original Medicare (not a Medicare Advantage plan). You can switch between Original Medicare and Medigap plans outside the normal enrollment window, though you may face higher premiums if you do not have may provide issue rights. Medicare Advantage and Part D plans, however, are locked in until the next AEP unless a SEP applies.

This is why it matters to pay attention to your plan's coverage each year. If your doctor leaves your plan or a medication you take is no longer covered, you may not be able to switch until October — unless you can document a may have access to event.

How to make changes during enrollment

You can change your Medicare plans in three ways: online through Medicare.gov, by phone at 1-800-MEDICARE, or in person at a local Social Security office. The easiest method for most people is the Medicare.gov website, where you can compare plans side by side and see which doctors and pharmacies are in each network.

To compare plans online, go to Medicare.gov, click "Find Care Providers and Suppliers," and enter your doctors' names and the medications you take. The site will show you which plans include them and what your out-of-pocket costs would be. You can then enroll directly through the website during the enrollment period.

If you prefer phone support, call 1-800-MEDICARE during the enrollment period. A representative can walk you through your options, answer questions about specific plans, and help you enroll. If you have questions about your current plan before making a change, contact the plan directly — the phone number is on your insurance card.

Automatic plan renewal and premium increases

On January 1 each year, your Medicare plan renews automatically with your current coverage. However, the plan's premiums, deductibles, and copayments often change. Your plan will send you a notice in the fall (usually by September 30) showing what your new costs will be for the coming year.

Read this notice carefully. Sometimes a plan's costs rise significantly, or a drug you take moves to a higher cost tier. If the changes are unacceptable, the notice will remind you that you have until December 7 to switch to a different plan. If you do nothing, you are agreeing to the new costs.

Some people keep the same plan for years without reviewing it. Others find that their needs change — a new medication, a new doctor, a move to a different area — and need to switch. The annual notice is your signal to decide whether your current plan still works for you.

Frequently Asked Questions

What if I turn 65 and miss the initial enrollment important date?

If you do not sign up for Medicare when you first become may be able to access at 65, you may face a permanent penalty on your premiums. However, once you do enroll, you follow the same rules as everyone else — your coverage renews automatically each year, and you can only make changes during the Annual Enrollment Period or if a may have access to event occurs.

Can I cancel my Medicare coverage and re-enroll later?

You can cancel Medicare, but re-enrolling is not automatic. If you cancel and then want to come back, you must wait for the Annual Enrollment Period or have a may have access to event. Canceling and re-enrolling can also trigger late-enrollment penalties, so speak with Medicare before you cancel.

Do I have to re-enroll in Part A and Part B every year?

No. Part A and Part B coverage renews automatically each year once you are enrolled. You only need to take action if you want to drop coverage (which is rare and usually not recommended) or if you need to make changes to supplemental coverage like Medigap or Medicare Advantage.

What if my plan is being discontinued?

If your Medicare plan is ending, your insurance company must notify you by October 31. You will be moved to a different plan automatically unless you choose a new one during the Annual Enrollment Period. You have the right to switch to any other plan available in your area during this time.

Can I change plans more than once during the enrollment period?

Yes. During the Annual Enrollment Period, you can change your mind and switch plans multiple times. However, only your final selection will be active on January 1. If you make multiple changes, make sure your last choice is the plan you actually want.

This guide is for general information only and is not medical, financial, legal, or other professional advice. For decisions specific to your situation, consult a qualified professional. See our Editorial Policy.