How do I switch Medicare Part B?

Asked by: Eino Runte Jr.  |  Last update: November 21, 2025
Score: 4.9/5 (51 votes)

To switch to Medicare Part B, a person can call 1-800-MEDICARE (1-800-633-4227) and notify Medicare of a change in coverage. Otherwise, a person can enroll in Medicare Part B during the general enrollment period, which runs from January 1 through March 31.

Can Medicare Part B be changed anytime?

Plan changes must be done during Open Enrollment and other select times throughout the year. If you're considering enrolling in a Medicare Advantage (Part C) plan, you should know the specific times it can be done. If you have employer-sponsored health coverage, you can delay enrollment in Medicare Part B until later.

Is there a penalty to switch from original Medicare to Medicare Advantage?

And, if you decide you want to switch again, there's also no penalty to switch from Original Medicare to Medicare Advantage. You can switch between the two types of coverage as many times as you want. You just need to make the switch during eligible enrollment periods.

Is it hard to switch Medicare plans?

You can switch if an insurer is willing to sell you a new Medigap policy. If you have the right to switch, you may have to wait up to 6 months before any new benefits or your pre-existing condition will be covered.

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 You Replace Medicare Part B With a Medicare Replacement Plan?

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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 much money is taken out of Social Security for Medicare Part B?

Each year, the Medicare Part B premium, deductible, and coinsurance rates are determined according to provisions of the Social Security Act. 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.

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).

Why are people leaving Medicare Advantage plans?

Key takeaways: People leave Medicare Advantage plans because out-of-pocket costs vary between plans, network restrictions can cause frustration, prior authorization requests can delay care, and it can be difficult to use the additional benefits they provide.

Why do doctors not like Medicare Advantage plans?

Across the country, provider grumbling about claim denials and onerous preapproval requirements by Advantage plans is crescendoing. Some hospitals and physician practices are so fed up they're refusing to accept the plans — even big ones like those offered by UnitedHealthcare and Humana.

What is the biggest disadvantage of the Medicare Advantage plan?

Medicare Advantage Plan Pros And Cons

One disadvantage is that some Medicare Advantage plans may offer fewer options when it comes to doctors and hospitals, as they may have smaller plan networks than Original Medicare.

What is the alternative to Part B Medicare?

Medicare Advantage Plan (Part C)

A type of Medicare-approved health plan from a private company that you can choose to cover most of your Part A and Part B benefits instead of Original Medicare. It usually also includes drug coverage (Part D).

What is the penalty for switching from Medicare Advantage to original Medicare?

At any point during your first year in a Medicare Advantage plan, you can switch back to Original Medicare without penalty for the following reasons: If you left Medigap for Medicare Advantage, your trial right allows you to switch back to your Medigap policy.

Why is Humana losing Medicare Advantage plans?

To protect profits, Humana and its peers in MA slashed their plans for 2025, cutting benefits and exiting underperforming markets. Plans appear to have focused cuts around supplemental benefits like over-the-counter and flex cards, which give seniors funds to spend on eligible items.

Why are seniors losing Medicare Advantage plans?

Health systems and hospitals are also making the decision to cancel contracts due to excessive prior authorization denial rates and slow payments from insurers. Already 27 health systems have canceled their Medicare Advantage contracts this year.

Why are hospitals not taking Medicare Advantage plans?

Health systems have cited delayed reimbursements, cumbersome prior authorization requirements and high rates of patient claim denials for their decisions to drop Medicare Advantage plans.

Can I drop my Medicare Advantage plan and go back to original Medicare?

Medicare Advantage Open Enrollment Period: Between January 1 and March 31 of each year, if you already have a Medicare Advantage Plan (with or without drug coverage) you can: Switch to another Medicare Advantage Plan (with or without drug coverage). Drop your Medicare Advantage Plan and return to Original Medicare.

Why would you decline Medicare Part B?

In most cases, you should only decline Part B if you have group health insurance from an employer you or your spouse is actively working at, and that insurance is primary to Medicare, meaning it pays before Medicare does.

How do I cancel part B?

To drop Part B (or Part A if you have to pay a premium for it), you usually need to send your request in writing and include your signature. Contact Social Security.

What is the 8 month rule for Medicare?

If you lose your job-based health coverage before you or your spouse stop working, you have 8 months to sign up. If you want Medicare coverage to start when your job-based health insurance ends, you need to sign up for Part B the month before you or your spouse plan to retire.

Does Medicare pay 100% on Part B?

Medicare Part B coinsurance

Coinsurance is a cost-sharing term that means insurance pays a percentage and you pay a percentage. With Medicare Part B, you pay 20 percent of the cost for the services you use. So if your doctor charges $100 for a visit, then you are responsible for paying $20 and Part B pays $80.

How do I get $144 added back to my Social Security check?

How to qualify for Part B giveback. You can qualify for Part B giveback benefit if you are enrolled in Original Medicare (Part A and B), and you live in a Zip code service area of a plan that offers the benefit.

What is the new Medicare rule for 2025?

Medicare Part D cap of $2,000

Beginning January 1, 2025, people with Part D plans through traditional Medicare and Medicare Advantage plans with prescription drug coverage won't pay more than $2,000 over the calendar year in out-of-pocket costs for their prescription medications.