S-5037-119
Read twice and referred to the Committee on Finance.
Sponsored by Andy Kim (D-NJ)
What it does
The MediKids Act would amend Title XIX of the Social Security Act to make all individuals under age 26 eligible for Medicaid, regardless of income or immigration status, beginning two years after enactment. It would require states to automatically enroll every child at birth, with an opt-out process available to families who have qualifying private coverage. The federal government would pay 100% of Medicaid costs for newly eligible individuals — those who were not already covered under existing state plans as of January 1, 2025 — and would extend Early and Periodic Screening, Diagnostic, and Treatment (EPSDT) comprehensive benefits through age 25.
Who benefits
Children and young adults under 26 who are currently uninsured or underinsured, estimated at roughly 3–4 million uninsured children and millions more young adults with coverage gaps. Unauthorized immigrant children and young adults, who would gain Medicaid access for the first time under federal law. Families who currently pay premiums or cost-sharing for children's coverage. Hospitals and safety-net providers who currently absorb uncompensated care costs for uninsured children. State Medicaid agencies, which would receive 100% federal matching for newly eligible enrollees, reducing state fiscal burden. Pediatric healthcare providers who would see expanded patient volume and reimbursement.
Who is hurt
Private health insurers and employer-sponsored plan sponsors who may lose enrollees as families opt children into free Medicaid coverage. Pediatric insurers in the CHIP and individual market who could see enrollment decline. Federal taxpayers who would bear 100% of the cost for newly eligible enrollees — a potentially large and open-ended fiscal commitment. States, which would face significant administrative costs to build automatic enrollment and opt-out infrastructure. Young adults aged 18–25 who prefer private coverage but may face friction navigating the opt-out process. Sponsors of unauthorized immigrant enrollees, who are explicitly shielded from debt accrual under affidavits of support, shifting those costs entirely to federal and state governments.
Supporters argue
Supporters argue that the United States has the resources to guarantee every child access to healthcare regardless of family income, immigration status, or employer coverage, and that coverage gaps in childhood produce measurable long-term health and economic costs. They contend that automatic enrollment eliminates the administrative burden that causes millions of eligible children to go unenrolled today — a well-documented phenomenon — and that the 100% federal match removes the fiscal barrier that has led some states to resist Medicaid expansion. They further argue that extending EPSDT's comprehensive preventive and developmental benefits through age 25 addresses a critical gap, as young adults aged 19–25 are the most likely age group to be uninsured.
Opponents argue
Opponents argue that universal Medicaid enrollment for all individuals under 26 — regardless of income, family wealth, or immigration status — represents an open-ended federal spending commitment with no means-testing or fiscal guardrail, potentially displacing private coverage rather than filling genuine gaps. They contend that extending full benefits to unauthorized immigrants conflicts with longstanding federal policy under the Personal Responsibility and Work Opportunity Reconciliation Act of 1996 and could face legal and political challenges. They further argue that automatic enrollment with an opt-out, rather than opt-in, inverts the traditional consent model and may enroll families in Medicaid who neither need nor want it, creating administrative complexity and potential fraud exposure.
Constitutional context
Congress's authority to structure Medicaid rests on the Taxing and Spending Clause (Art. I, §8, cl. 1), which permits conditional grants to states. However, NFIB v. Sebelius (2012) established that Spending Clause conditions cannot be so coercive as to leave states no genuine choice — a concern that could arise if states face significant penalties for non-compliance with the automatic enrollment mandate. The 100% federal match mitigates coercion concerns by removing financial burden from states, but the mandatory enrollment and opt-out requirements still impose administrative obligations on states that could be challenged under the 10th Amendment's anti-commandeering principles.
Checks and balances
Congress would expand federal authority over state Medicaid administration through mandatory enrollment requirements; states retain limited discretion through the opt-out process, and courts could review whether the enrollment mandates cross the coercion threshold established in NFIB v. Sebelius.
Historical precedent
The ACA's Medicaid expansion (2010) similarly extended eligibility to a new population with enhanced federal matching (90% FMAP), and was upheld in NFIB v. Sebelius (2012) only after the Court ruled the original all-or-nothing funding condition was unconstitutionally coercive — a structural parallel relevant to this bill's mandatory enrollment requirements.