Self employed

You need to make sure you enter the health insurance payments in the right place. When you get done entering the information on your K-1 schedule, you will see a screen that says Other Situations, on which one of the options is I personally paid health insurance and/or long-term care insurance premiums for myself and my family and this S corporation paid me wages:

Then you will have to enter your Medicare wages and the health insurance premiums. The premiums should be listed in box 17 of Schedule 1 of your Form 1040.