I am self-employed, not yet collecting social security and pay out of pocket for Medicare part B and Medicare supplemental insurance. Where do I enter these premiums

To enter the Medicare B and Medicare Supplemental Insurance premiums as self-employed not included on a SSA-1099 do the following:

• Sign into your return
• Click Take me to my return
• Federal
  
• Income and Expenses
• Review or Edit next to Self-Employment income and expenses
• Review next to your business
• Scroll down click "Add expenses for this work"
• Scroll almost down to the bottom and select Health Insurance Premiums
• Click Continue
• Enter your premiums paid