You're paying premiums, out-of-pocket expenses (deductibles, co-payments, uncovered services), and existing
taxes.
Premiums include payments by individuals or families plus those from an employer. (50% of the employer contribution comes from wages or salary you would have received, according to studies of compensation.)
Out-of-pocket expenses include deductibles, co-payments, and uncovered health care costs including dental care, medications, vision and hearing aids, etc.
Taxes that fund our current healthcare system include federal, state, and local taxes on income, payroll, sales, and property.