Medicare Part B Premium in 2026

Whether you choose Original Medicare or Medicare Advantage, most people pay a monthly Part B premium to Medicare. Here's what to expect in 2026.

Standard Part B premium

Most beneficiaries pay the standard monthly Part B premium (set by Medicare each year). This is deducted from your Social Security check if you receive benefits, or billed quarterly if not.

IRMAA: higher premiums for higher incomes

If your income is above certain thresholds, you may pay an Income-Related Monthly Adjustment Amount (IRMAA) on top of the standard premium. IRMAA is based on your tax return from two years prior.

Part B deductible and coinsurance

After meeting the annual Part B deductible, you typically pay 20% coinsurance for doctor visits and outpatient care under Original Medicare. Medicare Advantage plans replace this with copays and an out-of-pocket maximum.

Late enrollment penalty

If you don't sign up for Part B when first eligible and don't have qualifying employer coverage, you may pay a permanent 10% penalty for each 12-month period you delayed. A licensed agent can review your timeline.

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