It is on your SSA1099.
Go to Federal> Wages & Income>>Retirement Plans and Social Security (SSA1099 and 1099RRB) to enter your SSA1099.
f you receive Social Security benefits, your Medicare is deducted from your SS. When you enter the SSA1099 for your Social Security, the amount paid for Medicare flows automatically to the medical expense section of the software, so do not enter it again.
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