Medicare IRMAA Surprises: Why Last Year’s Income Still Matters (And when an appeal may be available)
Many retirees are surprised to learn that Medicare premiums are based on income from two years ago — not last year.
That lookback can create higher premiums even when your income has already dropped.
This income-based adjustment is called IRMAA (Income-Related Monthly Adjustment Amount).
Here are three important things to understand before you file.
What is the two-year lookback?
Medicare uses your modified adjusted gross income from two years prior to determine your current premium.
That means:
a Roth conversion
a business sale
a large distribution
or a one-time income event
can affect your Medicare costs long after the income itself is gone.
When an appeal may be available
If your income dropped because of certain life-changing events, you may be able to request a Medicare premium adjustment using Form SSA-44.
Common qualifying events include:
retirement or work stoppage
work reduction
marriage, divorce, or death of a spouse
loss of income-producing property
employer pension plan termination
Not every income change qualifies, but many retirees are eligible and never realize it.
Why timing matters
IRMAA appeals are time-sensitive.
If your income changed and your premiums are based on outdated information, waiting until later in the year can delay relief.
A short review before your return is finalized can help determine whether an appeal is worth pursuing and what documentation is needed.
A quick IRMAA self-check
Before you file, ask yourself:
Did my income drop meaningfully after the year Medicare is using?
Was the change caused by a one-time or permanent life event?
Am I paying higher Medicare premiums than expected?
If you answered yes to two or more, it may be worth a brief review.
Get help reviewing your Medicare premium situation
In a 30-minute Pre-Filing Review, we will:
review your income history and life-changing events
identify whether an IRMAA appeal may be appropriate
coordinate with your tax professional as needed
