No. Medicare benefits are tax free; they don’t count as income for determining filing and are not taxed. What’s more, Medicare premiums are tax deductible if you itemize your personal deductions and don’t claim the standard deduction.
A portion of earnings withheld by an employer or put into a retirement plan for distribution to the employee at a later date. If certain legal requirements are met, the deferred amount is not taxable until actually paid, for example, after retirement.