Can You Opt Out of Medicare Tax? What You Need to Know

Most people cannot opt out of Medicare tax, but a few narrow groups can

Medicare tax is a payroll deduction that funds the Medicare program. If you are employed, your employer withholds 1.45% of your wages for Medicare Part A (hospital insurance), and you pay another 1.45% yourself — a total of 2.9%. If you are self-employed, you pay the full 2.9% plus an additional 0.9% tax on income over a certain threshold. Once you reach age 65, you become may be able to access for Medicare, and these taxes fund the program you will use.

You cannot straightforward choose not to pay Medicare tax if you are working. The tax is mandatory for nearly all workers in the United States. However, certain groups — mainly members of religious communities and some non-citizens — may have limited options to request an exemption. Even then, the exemption applies only to the self-employment tax portion, not to payroll taxes withheld by an employer.

Key Takeaways

Employees cannot opt out of Medicare tax; it is automatically withheld from paychecks at 1.45%.
Self-employed people pay 2.9% Medicare tax on net earnings, plus an additional 0.9% on income above a threshold, and cannot avoid it through opting out.
Members of certain religious groups that oppose insurance may request a one-time exemption from self-employment Medicare tax using Form 4029, but this is rare and requires IRS approval.
Non-citizens on certain visa types may be exempt from Medicare tax, but this depends on your visa status and requires documentation.
Opting out of Medicare tax does not mean you avoid Medicare; you still become covered at 65 unless you actively decline coverage.

Who might have an exemption option

A very small group of people can request an exemption from self-employment Medicare tax. Members of recognized religious groups that conscientiously oppose accepting public insurance — including some Amish, Mennonite, and other communities — may file Form 4029 with the IRS to request exemption from self-employment tax. This is not an automatic right; the IRS reviews each request and approves only those that meet strict criteria. You must be a member of a sect or division of a sect that makes reasonable provision for its dependent members and has the established tenets or teachings that oppose accepting public insurance benefits.

Non-citizens on certain visa types may also be exempt. If you are on an F-1, J-1, M-1, or Q-1 visa, you generally do not pay Medicare tax on wages earned in the United States, provided your visa status is current and your employer has documented it correctly. However, this exemption is tied to your visa status — if your status changes, your tax obligations change too.

If you are not a member of one of these groups, you have no legal way to opt out of Medicare tax. Attempting to avoid it through misclassification, false claims, or other means can result in penalties, interest, and criminal charges.

What happens if you pay Medicare tax but decline Medicare at 65

Paying Medicare tax does not lock you into accepting Medicare coverage at age 65. You can decline Medicare Part A and Part B when you turn 65, even though you have paid into the system for decades. However, if you decline and later want to enroll, you may face a permanent penalty on your Part B premiums — roughly 10% higher for each year you delayed enrollment without a valid reason.

Part A (hospital insurance) has no late-enrollment penalty if you decline it, but Part B does. If you are still working and covered by an employer plan at 65, you may have a valid reason to delay Part B enrollment without penalty — this is called creditable coverage. You will need to show your employer coverage to Medicare when you do enroll. Talk to your employer's benefits administrator or Medicare directly before you turn 65 to understand whether your employer plan qualifies.

Self-employed workers and Medicare tax

If you are self-employed, you pay both the employee and employer portions of Medicare tax — 2.9% total on net self-employment income. You also pay an additional 0.9% Medicare tax on self-employment income above $200,000 (single) or $250,000 (married filing jointly). This additional tax has no income cap; it applies to all income above the threshold.

You cannot reduce your Medicare tax by taking deductions or structuring your business differently. The tax is calculated on net self-employment income after you subtract business expenses and the deductible portion of self-employment tax itself. If you have questions about how your specific income is taxed, a tax professional or the IRS can walk you through the calculation, but the outcome will still include Medicare tax.

How to request an exemption if you think you may have access to

If you are a member of a religious group that opposes insurance and believe you meet the criteria, you can file Form 4029 (process for Exemption From Self-Employment Tax for Use by Members of Certain Religious Groups). You must file it by the due date of your tax return for the year in which you first have self-employment income. Once approved, the exemption applies to all future years unless your circumstances change.

You cannot file Form 4029 retroactively for years you have already paid self-employment tax. If you filed late, the IRS may deny your request. You will need to provide documentation of your membership in the religious group and a statement that your group's tenets oppose accepting public insurance. The IRS reviews these applications carefully, and approval is not may provide.

If you are a non-citizen and believe your visa status exempts you from Medicare tax, speak with your employer's payroll or human resources department. They should have documentation of your visa type on file and can confirm whether Medicare tax should be withheld. If it is being withheld incorrectly, your employer can correct it and issue an amended W-2 if needed.

What to ask your doctor or benefits administrator

If you are approaching 65 and have questions about Medicare enrollment and your employer coverage, ask your employer's benefits administrator whether your plan is considered creditable coverage for Medicare purposes. Ask them for written confirmation, because you will need it if you delay Part B enrollment.

If you are self-employed or have questions about how your specific income is taxed, a tax professional or certified public accountant (CPA) can review your situation and explain your Medicare tax obligations. You can also call the IRS at 1-800-829-1040 to ask about your tax situation, though wait times are often long.

Frequently Asked Questions

Can I stop paying Medicare tax if I do not plan to use Medicare?

No. Medicare tax is mandatory for all workers, regardless of whether you plan to use Medicare later. You cannot opt out based on your future intentions. If you decline Medicare coverage at 65, you straightforward do not enroll — but you cannot avoid the tax while working.

What is the additional 0.9% Medicare tax, and do I have to pay it?

The additional 0.9% Medicare tax applies to wages over $200,000 (single) or $250,000 (married filing jointly). Employers withhold it automatically if your wages exceed the threshold. Self-employed people calculate and pay it when they file taxes. Yes, you have to pay it if your income is above the threshold.

If I am on a work visa, am I exempt from Medicare tax?

It depends on your visa type. F-1, J-1, M-1, and Q-1 visa holders are generally exempt, but your employer must have your visa status documented correctly. Other visa types may not be exempt. Ask your employer's payroll department to confirm your status and whether Medicare tax should be withheld.

Can I get a refund of Medicare taxes I have already paid?

Generally, no. Once you have paid Medicare tax, you cannot get it back straightforward because you do not want to use Medicare. If you believe you were taxed incorrectly — for example, if you were exempt and your employer withheld anyway — you can file an amended tax return (Form 1040-X) within three years to request a refund.

What happens if I do not enroll in Medicare at 65?

You can delay enrollment without penalty if you are still covered by an employer plan. If you are not covered by an employer plan and do not enroll in Part B, you will face a permanent 10% premium increase for each year you delayed. Part A has no late-enrollment penalty. You should contact Medicare before you turn 65 to understand your options.

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.