CMS Proposes Strict New Limits on How States Fund Medicaid, With 246 Billion Dollars in Projected Federal Savings

The Centers for Medicare and Medicaid Services published a proposed rule on July 21, 2026, that would significantly tighten limits on Medicaid provider tax arrangements, putting into regulation new statutory restrictions passed earlier this year. The rule, designated CMS-2452-P, would replace the longstanding 6 percent indirect hold-harmless threshold with state-and-class-specific caps anchored to the provider tax levels that were enacted and in place as of July 4, 2025. States that have expanded Medicaid would face a further phasedown, with their allowable threshold falling to 3.5 percent beginning October 1, 2027. Provider taxes are a financing mechanism many states use to fund the state share of Medicaid, generating additional federal matching dollars in return. CMS's Office of the Actuary estimated the proposed rule would reduce federal Medicaid expenditures by approximately 246 billion dollars from 2026 through 2035. For Medicare beneficiaries, the most direct connection runs through the roughly 12 million people enrolled in both Medicare and Medicaid, often called dual-eligible beneficiaries. Safety-net hospitals and other providers that serve this population depend heavily on Medicaid revenue, and reduced funding flexibility at the state level could pressure budgets at facilities that also treat Medicare patients. CMS said the rule implements requirements enacted in recent reconciliation legislation. The public comment period closes September 21, 2026.