Medicare premiums and supplemental insurance can be more expensive than seniors expect. However, some taxpayers may be able to lower their tax bills by deducting Medicare premiums and other qualifying medical expenses. However, it can be difficult to qualify to claim medical expenses on your tax return. For 2019, you can deduct medical expenses only if you itemize deductions and only to the extent that total qualifying expenses exceeded 10% of adjusted gross income. Contact us if you have questions about writing off medical expenses, including Medicare premiums.