You can opt out of Medicare, but the process and consequences depend on which part you want to leave and when you enrolled

Opting out of Medicare is possible, but it is not a straightforward cancellation. Medicare Part A (hospital insurance) and Part B (medical insurance) work differently when leaving. If you enrolled in Part A and Part B automatically at 65, you can request removal, though Part A removal is rarely approved unless you have other coverage. Part B removal is more straightforward — you can drop it, but you may face a permanent penalty if you rejoin later. If you are in a Medicare Advantage plan or Part D prescription coverage, leaving works like canceling any insurance: you submit a request during the annual enrollment period or within 60 days of a may have access to life event.

The reason this matters: many people think they are stuck with Medicare once they turn 65. They are not. But leaving without a plan — or leaving and then trying to return — can cost you thousands in penalties over time. Understanding what you are actually trying to leave, and why, is the first step.

Key Takeaways

  • Part B can be dropped at any time by submitting a written request to Social Security, but you will pay a 10% penalty for each year you were may be able to access and did not have it, if you rejoin later.
  • Part A removal is rarely approved unless you have employer coverage or are still working and paying into Medicare through payroll taxes.
  • Medicare Advantage and Part D plans can be dropped during the annual enrollment period (October 15 to December 7) or within 60 days of a may have access to event like losing other insurance.
  • If you drop Part B and later want to return, you can only rejoin during the general enrollment period (January 1 to March 31), and coverage does not start until July 1.
  • Dropping Medicare without replacement coverage leaves you uninsured for hospital and doctor visits, which can result in large medical bills.

Dropping Part B and the permanent penalty

Part B is the easiest part of Medicare to leave. You submit a written request to your local Social Security office or mail it to Social Security, and your coverage ends the month after they receive it. You do not need a reason, and you do not need replacement coverage.

The catch is the Part B late enrollment penalty. If you drop Part B and rejoin later, you will pay 10% more in premiums for every 12 months you were may be able to access for Part B but did not have it. That penalty is permanent — it stays with you for life. If you were may be able to access for Part B at 65 but dropped it at 66, and then rejoin at 70, you owe a 40% penalty on top of your regular premium. That adds up to hundreds of dollars per year, forever.

The penalty does not explore if you had other health insurance that covered the same services — usually employer coverage through your own job or your spouse's job. If you are still working and your employer offers health insurance, you can drop Part B without penalty, as long as you have that employer plan in writing. When you leave that job, you have eight months to rejoin Part B without penalty.

Removing Part A is much harder

Part A covers hospital stays, skilled nursing, hospice, and home health. Unlike Part B, you cannot straightforward drop Part A and walk away. Social Security will only remove you if you meet one of these conditions: you are still working and your employer does not withhold Medicare taxes from your paycheck, you have Veterans Administration coverage, you are a federal employee with federal employee health benefits, or you are a non-citizen who did not pay Medicare taxes.

Most people do not fall into these categories. If you are retired and receiving Social Security, Part A is tied to your Social Security benefit and cannot be separated. If you want to leave Medicare entirely, Part A is usually the barrier.

If you do may have access to to drop Part A, you must submit a written request to Social Security. The process takes several weeks, and Social Security will ask for proof of your other coverage or employment status. Once removed, you cannot rejoin Part A until you meet the conditions again — and if you rejoin later, you may face a lifetime premium increase, similar to Part B.

Leaving a Medicare Advantage plan or Part D

If you are in a Medicare Advantage plan (Part C) or a standalone Part D prescription plan, leaving is simpler because these are optional add-ons to Original Medicare. You can drop them during the annual enrollment period, which runs from October 15 to December 7 each year. Coverage ends on December 31, and your new plan (or no plan) starts January 1.

You can also leave outside the annual period if you have a may have access to life event: you lose your current coverage, you move out of your plan's service area, you become may be able to access for Medicaid, or your plan is being discontinued. You have 60 days from the event to request the change. If you miss the important date, you are locked in until the next annual enrollment period.

When you drop a Medicare Advantage plan, you automatically return to Original Medicare (Part A and Part B), assuming you did not drop those. If you also want to drop Part B at the same time, you can do that during the same window, but remember the penalty applies if you rejoin later.

What happens to your coverage when you opt out

If you drop Part B or Part A without other insurance in place, you have no coverage for doctor visits, hospital stays, or emergency care. You will pay the full cost of any medical services out of pocket. A single hospital stay can cost $10,000 to $50,000 or more, depending on the procedure. An emergency room visit typically costs $1,000 to $3,000 before any treatment.

If you drop Medicare Advantage, you return to Original Medicare (Part A and Part B), so you still have some coverage — you just lose the extra benefits that Advantage plans offer, like dental or vision. If you drop Part D prescription coverage, you will pay full price for medications at the pharmacy. The Part D late enrollment penalty applies here too: 1% of the national average Part D premium for each month you were without coverage, added to your premium permanently.

If you have other insurance — employer coverage, TRICARE, Veterans benefits, or Medicaid — that coverage becomes your primary insurance when you leave Medicare. Make sure that coverage is active and will continue before you submit your opt-out request.

The process for requesting removal

To drop Part B, contact Social Security by phone, mail, or in person. Call 1-800-772-1213 (TTY 1-800-325-0778) and ask to speak with someone about dropping Part B. You can also visit your local Social Security office or mail a written request. The request should include your name, Social Security number, date of birth, and the date you want coverage to end. Social Security will send you a confirmation letter.

To drop Part A, follow the same process, but be prepared for Social Security to ask questions about your other coverage or employment status. They may request documentation before they approve the request.

To drop a Medicare Advantage or Part D plan, contact your plan directly or use Medicare.gov. Log into your account, go to "Manage Your Health Plans," and select the plan you want to drop. You can also call 1-800-MEDICARE (1-800-633-4227) and ask to speak with someone about dropping your plan. The important date for the annual enrollment period is December 7 each year.

Common reasons people want to opt out and what to consider instead

Some people want to opt out because they believe Medicare premiums are too high. Part B premiums in 2024 start at $164.90 per month for most people, though higher earners pay more. If cost is the issue, you may be able to lower your premium by switching to a different Medicare Advantage plan (which often have $0 premiums) or by checking whether you may have access to for the Part B premium subsidy, which is available to people with limited income.

Others want to opt out because they prefer a specific doctor or hospital that is not in their current plan's network. Instead of dropping Medicare entirely, you can switch to a different Medicare Advantage plan or return to Original Medicare, which accepts most doctors and hospitals nationwide.

Some people believe they do not need insurance because they are healthy. Medicare is designed to cover catastrophic events — a fall, a stroke, a cancer diagnosis — not just routine care. A single hospitalization can wipe out savings. Staying in Medicare, even if you do not use it, protects you from that risk.

If you are considering opting out because you have other coverage that you believe is better, make sure that coverage is may provide to continue. Employer coverage can end if you lose your job or if your employer changes their plan. If your other coverage ends, you will have a limited window to rejoin Medicare without penalty.

Frequently Asked Questions

Can I rejoin Medicare after I drop it?

Yes, but the timing and penalties depend on what you dropped. For Part B, you can rejoin during the general enrollment period (January 1 to March 31), but coverage does not start until July 1, and you will owe a permanent penalty if you were not covered for more than a few months. For Medicare Advantage, you can rejoin during the annual enrollment period without penalty. If you dropped Part A, rejoining is difficult and may not be possible unless you meet specific conditions.

Will I owe a penalty if I drop Medicare Advantage?

No. Medicare Advantage is optional, and you can drop it without penalty. However, if you drop Part D prescription coverage at the same time, you will owe the Part D late enrollment penalty if you rejoin later. The penalty is 1% of the national average Part D premium for each month you were without coverage.

What if I drop Medicare and then get sick?

You can rejoin, but there will be delays and penalties. If you dropped Part B, you cannot rejoin until the general enrollment period (January 1 to March 31), and coverage does not start until July 1. During the months you are uninsured, you will pay the full cost of medical care. If you dropped Medicare Advantage, you can rejoin during the annual enrollment period, but if you are outside that window and do not have a may have access to event, you are locked out until October.

Do I have to drop all of Medicare, or can I drop just one part?

You can drop individual parts. You can drop Part B and keep Part A, or drop a Medicare Advantage plan and return to Original Medicare. However, dropping Part A is very difficult and rarely approved. Most people who want to leave Medicare are actually trying to drop Part B or switch to a different plan.

What counts as a may have access to life event for dropping Medicare Advantage?

may have access to events include losing your current coverage, moving out of your plan's service area, becoming newly may be able to access for Medicaid, having your plan discontinued, or experiencing certain changes in your family status. You have 60 days from the event to request the change. Contact your plan or Medicare to report the event and request removal.