Enter the following (or expected amounts) from your tax return:
MAGI is your Adjusted Gross Income (AGI) plus tax-exempt interest.
IRMAA is an additional Part B and Part D premium based on your income. Premiums for any given year are based on your tax return data from 2 years prior. For example, your 2026 premiums will be based on your 2024 tax return. IRMAA also increases whatever Part D Rx premiums you pay by about $14 (1.4x people), $38 (2.0x people), $60 (2.6x people), or $90 (3.2x and 3.4x people).