Amends the Health Care and Education Reconciliation Act of 2010 to repeal the unearned income Medicare contribution provision, under which: (1) net investment income (interest, dividends, annuities, royalties, rents, passive income, and net gain from the disposition of nonbusiness property) is included in the Medicare taxable base; (2) a 3.8% tax is imposed on it, beginning in 2013; and (3) the net investment income of taxpayers with adjusted gross incomes of under $200,000 ($250,000 for joint returns) is excluded from such tax.