Medicare Part B Premiums 2025 Income Limits For Married Couples. The social security administration determines your irmaa tier and premium part b and. For married couples who filed a joint tax return in 2023, the irmaa threshold will rise from $206,000 in 2024 to $212,000 in 2025.

Irmaa is a surcharge added to medicare part b and part d premiums for individuals with incomes exceeding specific thresholds. Individuals earning above $167,000 up to $200,000 ($334,000 to $400,000 for joint filers) will see their monthly part b premium increase to $480.90.