Yes. You will enter your consulting business income and expenses as "Self-employed" income. TurboTax will help you find all the potential business expenses for your business.
You will enter the estimated taxes you paid in the "Deductions & Credits" tab. Scroll down to "Estimates and other taxes paid." "Show More" and then find the "Estimated Taxes paid" topic.
When you enter your form 1099-SSA for social security in the "Income" section you will have the opportunity to enter the Medicare premiums paid and those will transfer to schedule A for itemization.
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