The real number depends on four things: your premiums, your deductibles, your income (IRMAA), and whether you signed up on time. Here is each piece with 2026 figures.
Most people pay $0 for Part A (hospital insurance) because they worked at least 40 quarters (about 10 years) and paid Medicare taxes. If you do owe a premium it can run up to several hundred dollars a month. The 2026 Part A inpatient hospital deductible is $1,736 per benefit period — what you pay before Medicare covers your hospital stay.
The standard 2026 Part B premium is $202.90 per month, with an annual deductible of $283. Higher-income beneficiaries pay more through IRMAA (below). Part B covers doctor visits, outpatient care, and durable medical equipment.
Part D premiums vary by plan; the 2026 national base beneficiary premium is $38.99, which is also what late-enrollment penalties and Part D IRMAA are calculated from. Big news for 2026: prescription out-of-pocket costs are now capped at $2,100 for the year — once you hit it, covered drugs cost you nothing for the rest of the year. (See our donut hole guide.)
If your 2024 income was above $109,000 (single) or $218,000 (married filing jointly), you pay an Income-Related Monthly Adjustment Amount on top of Part B and Part D. It is a cliff — one dollar over a threshold triggers the full higher premium. Use the IRMAA calculator for your exact number.
Sign up late and you can owe a permanent surcharge: 10% of the Part B premium for each full year you delayed, and 1% of the Part D base per uncovered month. These last as long as you have the coverage. The penalty calculator shows the lifetime cost.
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New here? Start for $7.49 →The standard Part B premium is $202.90 per month in 2026, with a $283 annual deductible. Most people pay $0 for Part A.
$1,736 per benefit period — the amount you pay before Medicare covers an inpatient hospital stay.
No. Higher-income beneficiaries pay more through IRMAA, and people who enrolled late pay a permanent penalty on top.
Figures on this page are verified against U.S. government primary sources: