How is Part B premium determined?

Asked by: Dr. Jacinto Satterfield MD  |  Last update: September 27, 2025
Score: 4.5/5 (44 votes)

This is based on your "modified adjusted gross income" (MAGI). Your MAGI is your total adjusted gross income and tax-exempt interest income. If you file your taxes as "married, filing jointly" and your MAGI is greater than $212,000, you'll pay higher premiums for your Part B and Medicare prescription drug coverage.

Is Medicare Part B premium based on income?

If your modified adjusted gross income as reported on your IRS tax return from 2 years ago is above a certain amount, you'll pay the standard Part B premium and an income-related monthly adjustment amount.

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 can I reduce my Medicare Part B premium?

If you've had a life-changing event that reduced your household income, you can ask to lower the additional amount you'll pay for Medicare Part B and Part D. Life-changing events include marriage, divorce, the death of a spouse, loss of income, and an employer settlement payment.

What income is used to determine Medicare premiums for 2025?

So, for 2025, the SSA looks at your 2023 tax returns to see if you must pay an IRMAA. IRMAA is calculated every year. That means if your income is higher or lower year after year, your IRMAA status can change.

How Medicare B Premiums are Calculated?

40 related questions found

What income is used to determine Medicare premiums in 2024?

We use the most recent federal tax return the IRS provides to us. If you must pay higher premiums, we use a sliding scale to calculate the adjustments. This is based on your "modified adjusted gross income" (MAGI). Your MAGI is your total adjusted gross income and tax-exempt interest 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.

Why is my Medicare Part B so expensive?

Medicare costs, including Part B premiums, deductibles and copays, are adjusted based on the Social Security Act. And in recent years Part B costs have risen. Why? According to CMS.gov, “The increase in the Part B premiums and deductible is largely due to rising spending on physician-administered drugs.

Who qualifies to get $144 back from Medicare?

To qualify for the giveback, you must: Be enrolled in Medicare Parts A and B. Pay your own premiums (if a state or local program is covering your premiums, you're not eligible). Live in a service area of a plan that offers a Part B giveback.

Can I deduct Medicare Part B premiums on my taxes?

Can you deduct Medicare Part B payments on your taxes? You can, but only if medical expenses exceed 7.5% of your adjusted gross income and you're itemizing deductions.

Is Medicare Part B free if you're over 65?

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. The answer varies with each person and the kind of other health insurance you have.

What are the changes to social security in 2025?

In 2025, all beneficiaries will see a 2.5% increase to their Social Security benefit checks, thanks to an annual cost-of-living adjustment. Of note, the 2024 increase was 3.2%. This year's COLA is the lowest increase beneficiaries have seen since a 1.3% increase in 2021, reflecting a decrease in the pace of inflation.

What are the top 5 medicare supplement plans?

💬 From our Nerds: What are the top five Medicare supplement plans? "Based on NerdWallet's Medigap rubric, I picked five best Medicare Supplement Insurance companies for 2025: AARP/UnitedHealthcare, Mutual of Omaha, State Farm, Anthem and Blue Cross Blue Shield.

Does Medicare check your income every year?

Each fall, when we ask the IRS for information to determine next year's premiums, we ask for tax information to verify your reports of changes affecting your income-related monthly adjustment amounts, if any. We also ask the IRS for your two-year-old MAGI if we've temporarily used three-year-old MAGI.

What does social security extra help pay for?

The Extra Help program helps with the cost of your prescription drugs, like deductibles and copays. You can apply for Extra Help any time before or after you enroll in Part D.

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).

How much money can you have in the bank if you're on Medicare?

eligibility for Medi-Cal. For new Medi-Cal applications only, current asset limits are $130,000 for one person and $65,000 for each additional household member, up to 10. Starting on January 1, 2024, Medi-Cal applications will no longer ask for asset information.

How do I get $800 back from Medicare Part B?

Medicare Part A and Part B know they can get up to $800 back

All the member has to do is provide proof that they pay Medicare Part B premiums. Each eligible active or retired member on a contract with Medicare Part A and Part B, including covered spouses, can get their own $800 reimbursement.

How to qualify for free 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 ...

How to avoid Medicare Part B Premium?

In this article
  1. Sign up for Part B on time.
  2. Structure your income to avoid a premium surcharge.
  3. How the “hold harmless” provision protects you.
  4. Check your eligibility for a Medicare Savings Program.
  5. See if you can get Medicare Part B premium-free.

What income level triggers higher Medicare premiums?

If you earn more than $106,000 ($212,000 if you're married), you pay higher monthly rates for both Medicare Part B and D. Currently insured? It's free, simple and secure. For 2025, your costs for Medicare Parts B and D are based on the income on your 2023 tax return.

Why is the state no longer paying Medicare Part B premiums?

This is because DHCS will not pay your Part B premium in months when: Your Medi-Cal share-of cost (SOC) is over $500 • AND • Your medical expenses are lower than your SOC. Your SOC is the amount that you must pay or promise to pay for medical expenses before Medi-Cal will pay.

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.

What is the one time payment for Social Security?

The American Recovery and Reinvestment Act provides for a one-time payment of $250 to Social Security and Supplemental Security Income, or (SSI) beneficiaries, as well as those who receive Railroad Retirement and Veterans benefits. You probably have questions about the one-time payment.

How much will Medicare Part B cost in 2025 for seniors?

The Centers for Medicare & Medicaid Services (CMS) has announced that the standard monthly Part B premium will be $185.00 in 2025, an increase of $10.30 from $174.70 in 2024.