Medicare costs in 2025 vary by which parts you use and which plan you choose

Medicare has four parts, and each one costs differently. Part A (hospital insurance) is free for most people who paid Medicare taxes while working. Part B (doctor visits and outpatient care) costs a monthly premium that changes each year — for 2025, the standard premium is $185 per month, though some people pay more based on income. Part D (prescription drugs) and Part C (Medicare Advantage, an alternative to Original Medicare) both vary widely depending on which plan you pick.

Beyond premiums, you also pay out-of-pocket when you use care. With Original Medicare (Parts A and B), you pay a deductible before coverage starts, then you share costs with Medicare through copayments and coinsurance. With Medicare Advantage, costs work differently — usually lower or no deductibles, but you may pay more per visit or be limited to certain doctors and hospitals.

Your actual 2025 cost depends on three things: which parts you enroll in, which plan you choose if you pick Part C or Part D, and how much care you actually use. This article walks through each cost and shows you where to find the specific numbers for plans in your area.

Key Takeaways

  • Part A is free for most people; Part B costs $185 per month in 2025 for the standard premium, though higher earners pay more.
  • Part B also has a $240 deductible in 2025, after which you pay 20 percent coinsurance for most services.
  • Part D (prescription drug) premiums and coverage vary by plan and by pharmacy, so comparing plans can save hundreds of dollars per year.
  • Medicare Advantage plans have their own premiums, deductibles, and copayments that differ from Original Medicare, and you must use in-network providers.
  • Your income affects your Part B and Part D costs — people earning above certain thresholds pay higher premiums called Income-Related Monthly Adjustment Amounts (IRMAA).

Part A costs: hospital insurance

Most people pay nothing for Part A because they or their spouse paid Medicare taxes for at least 10 years while working. If you did not work long enough, you can buy Part A coverage, but the premium is high — up to $505 per month in 2025 depending on how many quarters of work history you have.

Even though Part A is free, you still pay when you use it. In 2025, the Part A deductible is $1,676 per hospital stay. After you pay that, Medicare covers all inpatient hospital costs for the first 60 days. Days 61 through 90 cost you $419 per day. If you stay longer than 90 days, you enter "lifetime reserve days" — you have 60 of these total in your lifetime, and they cost $838 per day.

Skilled nursing facility (SNF) care — rehabilitation in a nursing home after a hospital stay — is covered by Part A after you pay the hospital deductible. The first 20 days are fully covered. Days 21 through 100 cost you $209.50 per day in 2025.

Part B costs: doctor visits and outpatient care

The Part B premium for 2025 is $185 per month for most people. This is the amount that comes out of your Social Security check or that you pay directly to Medicare. The premium increases each year, usually by a small amount.

Part B also has a $240 annual deductible in 2025. Once you meet it, you pay 20 percent coinsurance for most services — doctor visits, lab work, imaging, outpatient surgery, and durable medical equipment like wheelchairs or oxygen. Medicare pays the other 80 percent. There is no yearly out-of-pocket maximum under Original Medicare, so theoretically your costs could be very high if you need extensive care.

Some services have different cost-sharing. Mental health visits cost the same as other doctor visits. Preventive services like annual wellness visits, cancer screenings, and vaccines are covered at no cost after you meet your deductible — in fact, many preventive services do not require you to meet the deductible first.

Part D costs: prescription drug coverage

Part D premiums in 2025 range from roughly $7 to $100 per month depending on the plan and the insurance company offering it. The plan you choose also determines which drugs are covered and at what cost. Some plans cover brand-name drugs cheaply; others push you toward generics. Some have low premiums but high copayments; others do the reverse.

All Part D plans have a deductible (up to $545 in 2025), after which you enter the "initial coverage" phase. During this phase, you pay a copayment or coinsurance for each drug until your total out-of-pocket spending reaches $5,850 in 2025. Then you enter the "coverage gap" or "donut hole," where you pay a higher percentage of drug costs — 25 percent for most drugs — until your total out-of-pocket spending hits $8,550. After that, you pay only a small copayment for the rest of the year.

The exact copayments and which drugs are covered vary by plan. You can compare Part D plans for your medications on Medicare.gov, and the comparison tool shows you the total estimated cost for your specific drugs under each plan.

Medicare Advantage (Part C) costs

Medicare Advantage is an alternative to Original Medicare offered by private insurance companies. Some plans charge zero premium, though most charge $0 to $50 per month. However, you still pay the Part B premium ($185 in 2025) to Medicare, even if you pick a zero-premium Advantage plan.

Advantage plans have their own deductibles, copayments, and coinsurance. A plan might charge $0 for a primary care visit but $50 for a specialist visit. Hospital stays might have a $500 deductible. Prescription drugs are usually included in the plan rather than requiring a separate Part D enrollment, though you still pay copayments for drugs.

The trade-off is that you must use doctors and hospitals in the plan's network, except in emergencies. If you see an out-of-network provider, you pay the full cost. Advantage plans also have an annual out-of-pocket maximum — in 2025, this cannot exceed $8,550 for in-network care — which means your costs are capped. Original Medicare has no such cap.

Income-based premium increases (IRMAA)

If your income is above a certain level, you pay more for Part B and Part D. These extra charges are called Income-Related Monthly Adjustment Amounts, or IRMAA. Medicare uses your tax return from two years ago to calculate your income, so 2025 IRMAA is based on your 2023 tax return.

For 2025, if you are single and your income is above $97,000, you pay a higher Part B premium. The more you earn, the higher the surcharge — it can add $70 to $560 per month to your Part B bill. Married couples filing jointly face the same surcharge if their combined income exceeds $194,000.

Part D has a similar surcharge for high earners. If you think your 2025 income will be significantly lower than your 2023 income — because you retired, for example — you can file a form with Social Security to request a recalculation based on your current year's income.

Supplemental insurance (Medigap) costs

Medigap is private insurance that covers some of the costs Medicare does not — deductibles, coinsurance, and copayments. It is separate from Medicare Advantage; you buy it to go with Original Medicare (Parts A and B).

Medigap premiums vary by plan type (there are ten standardized plans, labeled A through N) and by insurance company. A basic plan might cost $100 to $150 per month; a comprehensive plan might cost $250 to $400 per month. Premiums also depend on your age and where you live.

Medigap is optional, but many people buy it because it caps their out-of-pocket costs under Original Medicare. Without it, you could face very high bills if you need extensive care. The trade-off is the monthly premium you pay whether you use care or not.

How to find your actual 2025 costs

The costs listed here are national averages or maximums. Your actual premium depends on which plan you choose, where you live, and your income. To find the real numbers for your situation, use Medicare.gov's plan comparison tool. You will need to enter your zip code, your medications (if you want to compare Part D), and your income level.

If you are new to Medicare, you can compare all available plans in your area during your initial enrollment period. If you already have Medicare, you can switch plans during the annual open enrollment period, which runs from October 15 to December 7 each year. Changes take effect January 1.

You can also call 1-800-MEDICARE to speak with someone who can walk you through plan options and costs. Many local Area Agencies on Aging also offer free counseling on Medicare costs and plan choices.

Frequently Asked Questions

Do I have to pay for Part A if I worked long enough?

No. If you or your spouse paid Medicare taxes for at least 10 years (40 quarters), Part A is free. You do not pay a premium, but you still pay the deductible and coinsurance when you use hospital or skilled nursing care.

Can I reduce my Part B premium if my income dropped?

Yes. If your 2025 income is significantly lower than your 2023 income (because you retired, for example), you can file a form with Social Security to request a recalculation of your IRMAA. You will need to provide proof of the income change.

What happens if I do not enroll in Part D when I first become may be able to access?

If you go without Part D coverage for more than 63 days after you become may be able to access, you pay a permanent late enrollment penalty — roughly 1 percent of the national average Part D premium for each month you were not enrolled. This penalty is added to your Part D premium for life.

Is prescription drug coverage cheaper with Medicare Advantage or Original Medicare plus Part D?

It depends on your specific medications and which plans are available in your area. Some Advantage plans have very low drug copayments; others have high ones. The only way to know is to compare plans for your actual medications using Medicare.gov.

What is the difference between the Part B deductible and the out-of-pocket maximum?

Original Medicare has a deductible ($240 in 2025) but no out-of-pocket maximum, meaning your costs can be unlimited. Medicare Advantage plans have both a deductible and an out-of-pocket maximum (capped at $8,550 in 2025), so your costs are limited.