Irmaa 2024 Part D Brackets And Premiums. The 2024 irmaa brackets by law are going to be larger than 2023. Magi plays a critical role in determining where you fall within the 2024 irmaa brackets.
The irmaa is calculated on a sliding scale with five income brackets, topping out at $500,000 and $750,000 for individual and joint filing, respectively. The premium rose to $174.70, up $9.80 from.