How do you know if you need Medicare Part B?

Asked by: Miss Estel Feil DVM  |  Last update: August 2, 2025
Score: 4.4/5 (61 votes)

You Need Part B if Medicare Is Primary It is your outpatient coverage. Once you retire and have no access to other health coverage, Medicare becomes your primary insurance. Part A pays for your room and board in the hospital. Part B covers most of the rest.

Am I required to have Medicare Part B?

Part B helps cover medically necessary services like doctors' services, outpatient care, and other medical services that Part A doesn't cover. Part B also covers many preventive services. Part B coverage is your choice. However, you need to have Part B if you want to buy Part A.

Who automatically gets part B Medicare?

If you are approaching age 65 and you already receive Social Security or Railroad Retirement benefits through early retirement, you will be automatically enrolled in Medicare Parts A (hospital insurance) and B (medical insurance) when you turn 65.

Do I need Medicare B if I have private insurance?

Key takeaways: While you don't need to enroll in Medicare Part B if you have other insurance, in some cases, it can benefit you to have both. The only time you need to enroll in Medicare Part B if you have other insurance is if you work for a company with fewer than 20 employees.

Who is exempt from paying Medicare Part B premiums?

Enrollees who have Medicaid, employer-sponsored health coverage, or retiree health benefits from an employer generally don't have to pay the full Medicare Part B deductible, as the other coverage picks up some or all of the cost (this varies depending on the plan).

Do you really need Medicare Part B

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Does everyone pay $170 for Medicare Part B?

Most people pay no premiums for Part A. For Medicare Part B in 2025, most beneficiaries will pay $185 per month. Certain factors may require you to pay more or less than the standard Medicare Part B premium in 2025.

How do I avoid paying Medicare Part B?

You may refuse Part B without penalty if you have creditable coverage, but you have to do it before your coverage start date. Follow the directions on the back of your Medicare card if you want to refuse Part B.

Why would you decline Medicare Part B?

Some people do not take Part B during their Initial Enrollment Period (IEP) because they have primary insurance from their current employer or their spouse's current employer. The IEP is the first time you can sign up for Medicare.

Do I need Medicare Part B if I have employer health insurance?

You may be required to get Medicare Part B even when you're still working. There are two situations in which you must get Part B when you turn 65. If your employer has fewer than 20 employees. If you're covered by a spouse's employer, and the employer requires covered dependents to enroll in Medicare when they turn 65.

Is Medicare Part B free at age 65?

Medicare Part A (hospital insurance) is free for almost everyone. You have to pay a monthly premium for Medicare Part B (medical insurance). If you already have other health insurance when you become eligible for Medicare, you may wonder if it's worth the monthly premium costs to sign up for Part B.

Can I add Medicare Part B at any time?

Important: In most cases, if you don't sign up for Part B when you're first eligible, you'll have to pay a late enrollment penalty for as long as you have Part B. Also, you may have to wait until the General Enrollment Period (from January 1 – March 31) to enroll in Part B and coverage will start July 1 of that year.

How much is deducted from social security for Medicare Part B?

Medicare Part B Premium and Deductible

The standard monthly premium for Medicare Part B enrollees will be $185.00 for 2025, an increase of $10.30 from $174.70 in 2024. The annual deductible for all Medicare Part B beneficiaries will be $257 in 2025, an increase of $17 from the annual deductible of $240 in 2024.

Can I get Medicare if I never worked but my husband did?

If you do not have at least 40 calendar quarters of work during which you paid Social Security taxes in the U.S., but your spouse does, you may be eligible for premium-free Medicare Part A based on your spouse's work history when you turn 65.

Why do people opt out of Medicare Part B?

Although Part B is not mandatory, it does come with a premium in most cases. Some people delay enrollment in Medicare Part B to avoid paying the premium – especially if they have other creditable coverage. The same can be true of Part A, for people that must pay a premium for it.

What happens if I don't take Medicare Part B?

Part B late enrollment penalty

You'll pay an extra 10% for each year you could have signed up for Part B, but didn't. You may also pay a higher premium depending on your income.

Why is Social Security no longer paying Medicare Part B?

There could be several reasons why Social Security stopped withholding your Medicare Part B premium. One common reason is that your income has exceeded the threshold for premium assistance. Another reason could be that there was a mistake or error in your records.

Can I choose not to have Medicare Part B?

Individuals already receiving Social Security or RRB benefits at least 4 months before being eligible for Medicare and residing in the United States (except residents of Puerto Rico) are automatically enrolled in both premium-free Part A and Part B. People who are automatically enrolled have the choice of whether they ...

What is the best secondary insurance if you have Medicare?

The best Medicare supplement plan providers
  • Best for extra plan benefits: Humana.
  • Best for straightforward coverage: State Farm.
  • Best for extensive medical care coverage: AARP by UnitedHealthcare.
  • Best for a range of Medigap plans: Blue Cross Blue Shield.

Can I delay Medicare Part B if I am still working?

People with group health coverage based on current employment may be able to delay Part A and Part B. They won't have to pay a lifetime late enrollment penalty if they enroll later.

Is Medicare Part B necessary?

Part B is optional. Part B helps pay for covered medical services and items when they are medically necessary. Part B also covers some preventive services like exams, lab tests, and screening shots to help prevent, find, or manage a medical problem. Cost: If you have Part B, you pay a Part B premium each month.

Can I drop my employer health insurance and go on Medicare Part B?

Once you stop working (or lose your health insurance, if that happens first) you have an 8-month Special Enrollment Period (SEP) when you can sign up for Medicare (or add Part B to existing Part A coverage).

What are the risks of dropping Medicare Part B?

Part B (Medical Insurance)

There are some risks to dropping coverage: Your costs for health care: You may have to pay all of the costs for services that Medicare covers, like hospital stays, doctors' services, medical supplies, and preventive services.

What percentage of Americans receive health insurance through their employer?

Percentage of U.S. population with employment-based health insurance 1987-2023. In 2023, 53.7 percent of the U.S. population had employment-based health insurance coverage. This statistic depicts the percentage of the U.S. population with employment-based health insurance from 1987 to 2023.

What can I get instead of Medicare Part B?

Part C (Medicare Advantage)

Part C is known as Medicare Advantage. It's an alternative to Parts A and B that bundles several coverage types, including Parts A, B, and usually D. It may also include: Vision.