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Social Programs

One Big Beautiful Win to Remove Illegal Immigrants from Medicaid

Social Programs Report BlogJuly 3, 2025 By Paul Winfree, Ph.D.

The OBBB Catches a Big Problem

The One Big Beautiful Bill (OBBB) includes a consequential reform eliminating the ability of states to abuse a financing loophole and give illegal immigrants Medicaid. This loophole allows states to cover the costs of enrolling illegal immigrants on Medicaid using federal taxpayer dollars. The OBBB’s reform will prompt states such as California to disenroll millions of illegal immigrants that have been added to Medicaid, preserving resources for the program’s rightful beneficiaries and sending a signal that Medicaid is not a magnet for future illegal immigration.   There are several provisions in the bill that will significantly limit this scheme. Section 71117, which tightens the “uniform and broad-based” standard for provider taxes, restricts the loophole that has allowed states to launder federal dollars through their Medicaid programs. The new statutory guardrail acts as a backstop to a new Centers for Medicare & Medicaid Services rule on “Preserving Medicaid Funding for Vulnerable Populations—Closing a Health Care-Related Tax Loophole.” This rule abolishes the waiver process California and others have been exploiting. The statute and the rule work together, cutting off the loophole that has pushed the federal share of Medicaid far beyond Congressional intent. 

Stopping California’s Shell Game

This shell game has widened for years, but California’s recent scheme has exposed the extent to which states have gone to abuse provider taxes. As I exposed in a March joint paper with the Paragon Health Institute: California tripled the provider tax it imposes on Medicaid managed-care plans beginning in 2023, then recycled every penny through higher capitation payments to those same plans. Because the inflated payments looked like legitimate Medicaid spending, Washington reimbursed about sixty cents of every dollar, leaving the state with a multibillion-dollar windfall it could spend on providing Medicaid to illegal immigrants and eliminating the asset test for Medicaid, thus providing access to wealthy Californians. Across the four fiscal years that run from April 2023 through December 2026, the maneuver will pour more than $19 billion from the federal government into California coffers without a dime of real state contribution.   Medicaid Infographic This enticement of free money has been too empowering. California used the windfall to extend full Medicaid benefits to illegal immigrants in the prime working-age bracket of 26 to 49 (a group that now accounts for roughly three-quarters of the nation’s unauthorized population), and to abolish the asset test for long-term care. Those expansions would have been much more difficult if California had needed to raise taxes openly or cut other spending to pay for them. Instead, federal taxpayers covered the entire bill without even knowing it, even though federal law explicitly bars Medicaid funding for illegal immigrants.  The mechanics of the provider tax are complex; this has only facilitated its abuse. California levies a fee of roughly $187 dollars per Medicaid managed care enrollee each month while charging a tax of only $2 on commercial plans. Because the state raises capitation payments by the same amount, Medicaid insurers face no net burden. In fact, they pocket an extra $4.3 billion dollars in “plan augmentations” set aside to sweeten their side of the arrangement. Meanwhile, the federal government matches the inflated payments, having sent $9.5 billion to the state general fund in the first two years alone. This allowed California to cover the full cost of the expansion using federal dollars.  

The Scheme Is Catching… and Expensive

However, California is not alone. Seven other states have secured waivers that let them shift provider-tax burdens toward Medicaid business and away from commercial coverage. This all stems from a 1993 regulatory “redistribution test” that looks only at whether a tax appears statistically broad-based, not at who pays and who ultimately benefits. Under that test, a state can put a giant tax on Medicaid plans, apply a nominal tax to commercial plans, pass the proceeds back to the taxed entities, and still comply with the regulation.   Section 71117 of the OBBB ends the scheme. The provision codifies the Trump Administration’s standard that defines a “generally redistributive” tax in economic terms, forbids tiered rates keyed to Medicaid volume, and orders states with non-compliant taxes to fix them or lose federal funds. The Congressional Budget Office has estimated that this change will save $34.2 billion dollars over ten years. However, because CMS’s proposed rule would achieve roughly the same savings administratively, the combined gain is effectively twice that amount once both policies take effect.  The impact on California’s ability to cover illegal immigrants on Medicaid is immediate. Under the proposed CMS rule, the state’s insurer tax fails every part of the redistributive standard because the rate on Medicaid business is nearly a hundred times the rate on commercial business, the burden is explicitly keyed to Medicaid enrollment, and the resulting payments flow straight back to the taxed entities. Absent a wholesale redesign that spreads the tax evenly across the market, California will lose federal matching funds on all payments financed by the tax. The $9.5 billion it has already received from the federal government will disappear.  

Broader Impact of the Win

The federal budget is unsustainable in large part because of growing healthcare spending. These reforms will make meaningful progress in reducing that unsustainable spending while helping to prevent future Medicaid expansions that could put additional pressure on the federal budget. According to CBO, the Medicaid provider-tax reforms provide nearly a quarter of the savings that push the One Big Beautiful Bill towards its $1.5 trillion target. Along with CMS’s rule, the savings are even higher. That balance – pro-growth tax policy paired with enforceable spending restraint – was the goal EPIC set for the reconciliation bill more than a year ago to use this generational opportunity.   In a broad sense, the Medicaid provisions in the One Big Beautiful Bill will almost certainly prove the most durable. They demonstrate how Congress can develop lasting reform to improve programs for the most vulnerable by identifying loopholes while designing fixes that align legislative support with regulation. For those who care about fiscal responsibility, constitutional government, and the integrity of the safety-net, the restrictions placed upon the provider tax money laundering is a milestone. The nation’s fiscal condition and Medicaid program will be stronger. That, in my view, is a beautiful outcome indeed. 

Author

Paul Winfree, Ph.D.

Paul Winfree, Ph.D.

President & CEO

Paul Winfree, Ph.D., is the President and CEO of the Economic Policy Innovation Center (EPIC). He has served in top management and policy roles in the White House, the U.S. Senate, and think tanks. Prior to founding EPIC, Winfree served in multiple positions during three different tours at The Heritage Foundation. These included Distinguished Fellow in Economic Policy and Public Leadership, Director of Economic Policy Studies the Richard F. Aster Fellow, and acting Director of the Center for Data Analysis. Before rejoining Heritage in 2018, Winfree was Deputy Assistant to the President for Domestic Policy, the Deputy Director of the Domestic Policy Council, and the Director of Budget Policy, all at the White House. Winfree was also Chair of the Deputies Committee that oversaw the execution of all domestic policy at the Deputy Secretary level throughout the administration as well as the interagency policy coordination process. During the 2016 Presidential Transition, Winfree led the team responsible for the Office of Management and Budget. Winfree served three terms as Chair of the Fulbright Foreign Scholarship Board , a 12-member board selected by the President of the United States. In 2022, he received a distinguished service award from the U.S. State Department’s Bureau of Education and Culture Affairs for his “stewardship during the COVID-19 pandemic, and for meaningful contributions to advance mutual understanding through the Fulbright Program.” Winfree’s research focuses on U.S. economic history, public finance, political economy, the economics of media, and the economics of education. He is author of a book on the evolution of economic and fiscal policy from colonial America until the present called The History (and Future) of the Budget Process in the United States: Budget by Fire (Palgrave Macmillan, 2019). His research has been featured in The Wall Street Journal , The New York Times , The Washington Post , Investor’s Business Daily , USA Today , and Congressional Quarterly , among other publications. Winfree holds a Ph.D. in economics from Queen’s University Belfast, an M.Sc. in economics and economic history from the London School of Economics and Political Science, and a B.S. in economics from George Mason University. He lives in Virginia with his wife and three children.

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