Yes. The IRS has indicated (https://www.irs.gov/pub/irs-wd/1228037.pdf) that all Medicare premiums are similar to other health insurance, and that this deduction rule extends to Medicare premiums for coverage of a self-employed individual’s spouse, dependent, or child under age 27.
Costs that are not currently deductible and that are added to the basis of property. A capital expense generally increases the value of property. When added to depreciable property, the cost is deductible over the life of the asset.