Yes, the SSA calculates the IRMAA every year using your MAGI and income levels. The more you earn, the higher your Medicare premiums will be because of this. The more you earn, the higher your Medicare premiums will be because of this surcharge. However, increasing revenues can be like upgrading a flight: there may be additional costs, but it's all for better service.
And don't worry if you don't agree with their calculations; there are ways to discuss them. Medicare plan premiums vary from year to year. However, the factors the government uses to calculate your monthly premium depend on what part you have. CMS determines each year how much higher-income Medicare beneficiaries should pay.
The Social Security Administration (SSA) determines who should make those additional payments.
