Processing Your own Fees: Do-it-yourself otherwise Hire an expert? A supplementary 0.9% Medicare surtax pertains to high-earnings earners since the taxation year 2013. So having tax decades 2022 and 2023, this new Medicare surtax relates to single filers and you can thoughts from household whose earnings exceeds $2 hundred,one hundred thousand, married couples submitting as one whoever money exceeds $250,100000 and you will married people filing individually that have earnings out of $125,one hundred thousand or more. When the given that a different contractor, you expect so you're able to owe $step 1,100000 or even more within the taxes once you document your yearly come back, you will have to create projec