Amie Harmonie

2025 Irmaa Brackets Married Filing Separately Over 65. The income brackets for irmaa increased between brackets. The irmaa calculation uses three tax filing options:

The social security administration determines your irmaa tier and premium part b and d surcharges based on your taxable income. If your medicare advantage plan includes part d coverage, you’ll pay any applicable irmaa surcharges in addition to your plan premium.