This document summarizes key Medicaid changes under the Patient Protection and Affordable Care Act (PPACA). It outlines provisions for Medicaid expansion including newly eligible individuals up to 133% of the federal poverty level and increased CHIP income eligibility. It also discusses funding structures, state maintenance of effort requirements, new benefits, changes to the Children's Health Insurance Program, reductions to Disproportionate Share Hospital payments, and outreach and enrollment requirements. The projected impact is estimated to be 16 million additional Medicaid beneficiaries, with the federal government paying 95.4% of increased costs.