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Understanding How Medicare Determines Your Income

By August 20, 2026No Comments
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Medicare is a crucial program for many individuals, providing essential healthcare coverage for those over 65 and certain younger individuals with disabilities. However, the cost of Medicare can vary based on your income. Understanding how Medicare determines your income can help you plan and manage your healthcare expenses more effectively.

How Medicare Assesses Your Income

Medicare uses your Modified Adjusted Gross Income (MAGI) to determine your income level. The MAGI is calculated based on the information you provide on your tax return. Specifically, Medicare looks at your MAGI from two years prior to the current year. For example, if you are enrolling in Medicare in 2023, Medicare will use your MAGI from your 2021 tax return.

What is Included in MAGI?

Your MAGI includes several components:

  • Adjusted Gross Income (AGI): This is your total gross income minus specific deductions. It includes wages, dividends, capital gains, business income, and retirement distributions.
  • Tax-Exempt Interest Income: Even though this income is not taxed, it is included in your MAGI calculation.
  • Foreign Earned Income Exclusion: If applicable, this is added back to your AGI to determine your MAGI.

By combining these elements, Medicare arrives at your MAGI, which is then used to determine whether you will pay higher premiums for your Medicare Part B and Part D coverage.

Income-Related Monthly Adjustment Amount (IRMAA)

If your MAGI exceeds certain thresholds, you may be subject to an Income-Related Monthly Adjustment Amount (IRMAA). IRMAA is an additional charge on top of your standard Medicare Part B and Part D premiums. The Social Security Administration (SSA) is responsible for determining if you owe an IRMAA and will notify you if you do.

How to Appeal IRMAA

If you believe that your income has significantly decreased since the tax year used to determine your IRMAA, you can appeal the decision. Situations such as retirement, divorce, or the death of a spouse may qualify you for a reconsideration of your IRMAA. To appeal, you will need to provide documentation supporting your claim of a life-changing event.

Planning Ahead

Understanding how Medicare determines your income can help you plan for potential costs. If you anticipate changes in your income, consider consulting with a financial advisor or tax professional to explore strategies that might help manage your MAGI and, consequently, your Medicare costs.

For personalized advice and more information on how your income affects your Medicare premiums, feel free to reach out to our agency. We’re here to help you navigate the complexities of Medicare and ensure you have the coverage you need.