Ask Social Security Questions and Get Answers ASAP
There might be several reasons - I just will mention some possibilities.
- an increase in income can result in higher Medicare Part B premiums 2 years after that year
- premiums for Medicare Part D (drugs plan) are also based on income and may rise.
- There are five Medicare premium brackets - see here
If you had a major life-changing event and your income has gone down, you may use this form to request a reduction in your income-related monthly adjustment amount.