An individual’s IRMAA calculation is based on their MAGI, together with their tax filing status. Since MAGI gets reported each year, the IRMAA can change every year. Medicare Part B.

Premium calculation. Medicare may add the IRMAA surcharge, plus any late filing charges, to the Part B premium, Part D premium, or both. If a person is enrolled in Medicare Advantage, there may be ...

The calculation of IRMAA depends on a variety of factors. The most significant of these is your modified adjusted gross income (MAGI), which can be calculated by adding your total adjusted gross ...

You can appeal your IRMAA determination if you believe the calculation was erroneous. Also, if you’ve had a life-changing event and your income has gone down, you may use Form SSA-44 to request ...