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The Affordable Care Act (ACA) strengthened Medicare and Medicaid and created important coverage avenues and consumer protections for people of all ages. Despite these successes, the health law continues to face opposition from some policy corners in Congress, the states, some presidential administrations, and the courts.

Some policymakers support turning Medicare into a premium support system, also called a defined contribution system or a voucher program. These programs would give people with Medicare a voucher or coupon to purchase health coverage. If the voucher did not cover the full cost—a certainty, given the aim of such programs is to save Medicare dollars—the person would presumably have to pay the rest or go without coverage. Though touted as a cost saver, a hallmark of these policies is to instead shift significant expenses onto consumers.

Policymakers often overlook or disregard the problems people may face when they try to enroll or stay enrolled in public programs or to get the care they need. Issues around Medicare and Medicaid enrollments and appeals are legion and can run the gamut from minor one-time annoyances to recurrent bureaucratic nightmares.

Medicaid is financed and administered through a federal-state partnership. Under current law, the federal government matches state Medicaid spending based on a statutory formula, without a pre-set limit. If state spending increases, for example due to increased enrollment or unexpectedly high program costs, then federal spending increases as well.