Assuring Medicare’s Promise Act of 2025

Bill Number

H.R. 609

Origin Chamber

House

Congress

119th Congress, Session 1

Policy Area

Taxation

Status

Introduced

Latest Action

2025-01-22: Referred to the House Committee on Ways and Means.

Last Updated

2026-05-19T13:47:56Z

AI-Generated Summary

Purpose of the Legislation

The "Assuring Medicare's Promise Act of 2025" aims to strengthen the funding for Medicare's Hospital Insurance (HI) program—commonly known as Medicare Part A, which covers hospital stays and related care—by redirecting and expanding a specific tax on investment income. This helps ensure the program's long-term financial stability without raising other taxes.

Key Provisions

• Funding Medicare with Investment Tax Revenue: The bill adds the net investment income tax (NIIT)—a 3.8% tax on certain investment earnings—to the list of revenue sources for the Federal Hospital Insurance Trust Fund. This ensures these tax collections explicitly support Medicare Part A.
• Expanding the NIIT for High-Income Earners:
• For individuals with modified adjusted gross income (a measure of total income after certain deductions) exceeding $400,000 (single filers), $500,000 (joint filers), or half that for married filing separately, the NIIT applies to the greater of "net investment income" or "specified net income."
• "Specified net income" broadens the tax base to include more types of earnings, such as income from trades or businesses (excluding certain active businesses like those involving trading financial instruments or mining), without previous exclusions for net operating losses (deductions that offset income from business losses).
• The expansion phases in gradually: The additional tax starts at zero and increases proportionally based on how far income exceeds the threshold (up to $100,000 excess for most filers).
• Application to Trusts and Estates: Similar rules apply, taxing the greater of undistributed specified net income or undistributed net investment income.
• Clarifications and Adjustments to NIIT Calculation:
• Excludes income already taxed as self-employment earnings or certain wages (e.g., those subject to Social Security or railroad retirement taxes, or wages from foreign employers for work outside the U.S.).
• Includes specific foreign income, such as amounts from controlled foreign corporations (e.g., under "Subpart F" or Global Intangible Low-Taxed Income rules, which tax U.S. shareholders on foreign business profits).
• Requires the Treasury Secretary to issue guidance on handling previously taxed income (e.g., distributions from foreign entities already included in U.S. taxable income) to avoid double taxation.
• Effective Date and Transition: Changes apply to tax years starting after December 31, 2025. Transition rules ensure coordination for foreign income taxed before and after this date.

Significant Changes to Existing Law

• Social Security Act Amendment (Section 1817): Explicitly lists NIIT revenues as a dedicated source for the HI Trust Fund, clarifying their role (previously, these revenues were already directed there under the Affordable Care Act but not always listed separately).
• Internal Revenue Code Amendment (Section 1411): Expands the NIIT beyond traditional investments (e.g., interest, dividends, capital gains) to capture more business-related income for high earners, removing exclusions for certain passive business activities and net operating losses. It also adds foreign income inclusions and refines exclusions for wages and self-employment, making the tax apply more broadly while preventing overlaps with other payroll taxes.

Potential Impacts

• On Government Agencies: The HI Trust Fund gains a more reliable and expanded revenue stream, potentially extending Medicare's solvency (currently projected to face shortfalls in the 2030s). The IRS and Treasury Department will need to update tax forms, guidance, and enforcement for the broader NIIT, increasing administrative workload.
• On Citizens: High-income individuals (top earners) face higher effective tax rates on a wider range of income, which could reduce disposable income for investments or business activities but generate an estimated additional billions in revenue annually for Medicare. Lower- and middle-income taxpayers are unaffected. Medicare beneficiaries (about 65 million seniors and disabled Americans) benefit indirectly from improved program funding, potentially avoiding future benefit cuts or premium hikes.
• On International Relations: Minimal direct impact, though the inclusion of foreign income (e.g., from overseas businesses) may affect U.S. taxpayers with international holdings, possibly influencing tax treaty discussions or compliance with global tax rules like those from the OECD.

Main Stakeholders Affected

• High-Income Individuals and Families: Those above the income thresholds, particularly investors, business owners, and professionals with passive income streams, will pay more in taxes.
• Trusts and Estates: Entities holding undistributed income will face expanded taxation, affecting wealth planning for affluent families.
• Medicare Beneficiaries: Elderly, disabled, and low-income Americans relying on Part A services gain from bolstered funding.
• Government Entities: U.S. Treasury (collects taxes), IRS (enforces and administers), Social Security Administration (manages the HI Trust Fund), and Congress (oversees fiscal policy).
• Businesses and Financial Sector: Owners of passive businesses or investment firms may see indirect effects on client tax planning.

Notable Legal, Constitutional, or Political Implications

• Legal: The bill relies on Congress's power to tax and spend under the U.S. Constitution (Article I, Section 8), building on existing tax code without creating new taxes. It mandates regulatory guidance to prevent double taxation, which could lead to future court challenges if interpretations conflict with tax treaties or prior rulings on income classification.
• Constitutional: No direct challenges anticipated, as it targets income taxation, a well-established federal authority; however, the phase-in and thresholds might raise equal protection questions if seen as discriminatory, though similar to existing progressive tax structures.
• Political: As a revenue-raiser focused on the wealthy to fund a popular entitlement program, it could spark partisan debate—supporters view it as fair burden-sharing for Medicare's sustainability, while critics may argue it discourages investment or overreaches into business income. Introduced by Democrats, it reflects priorities on entitlement reform and progressive taxation amid ongoing budget pressures.

This summary was generated by AI and may contain inaccuracies. Refer to the official source document for the authoritative text.

Sponsor

Rep. Doggett, Lloyd [D-TX-37]

Cosponsors (57)

Rep. Adams, Alma S. [D-NC-12], Rep. Barragán, Nanette Diaz [D-CA-44], Rep. Boyle, Brendan F. [D-PA-2], Rep. Brownley, Julia [D-CA-26], Rep. Carson, André [D-IN-7], Rep. Casar, Greg [D-TX-35], Rep. Castro, Joaquin [D-TX-20], Rep. Chu, Judy [D-CA-28], Rep. Cohen, Steve [D-TN-9], Rep. Davis, Danny K. [D-IL-7], Rep. DeGette, Diana [D-CO-1], Rep. DeLauro, Rosa L. [D-CT-3], Rep. Deluzio, Christopher R. [D-PA-17], Rep. Dingell, Debbie [D-MI-6], Rep. Escobar, Veronica [D-TX-16], Rep. Espaillat, Adriano [D-NY-13], Rep. Fields, Cleo [D-LA-6], Rep. Frost, Maxwell [D-FL-10], Rep. Garamendi, John [D-CA-8], Rep. Goldman, Daniel S. [D-NY-10], Rep. Grijalva, Raúl M. [D-AZ-7], Rep. Huffman, Jared [D-CA-2], Rep. Jayapal, Pramila [D-WA-7], Rep. Johnson, Henry C. "Hank" [D-GA-4], Rep. Khanna, Ro [D-CA-17], Rep. Lee, Summer L. [D-PA-12], Rep. Levin, Mike [D-CA-49], Rep. Moore, Gwen [D-WI-4], Del. Norton, Eleanor Holmes [D-DC-At Large], Rep. Ocasio-Cortez, Alexandria [D-NY-14], Rep. Pingree, Chellie [D-ME-1], Rep. Pocan, Mark [D-WI-2], Rep. Ramirez, Delia C. [D-IL-3], Rep. Salinas, Andrea [D-OR-6], Rep. Sánchez, Linda T. [D-CA-38], Rep. Schakowsky, Janice D. [D-IL-9], Rep. Tlaib, Rashida [D-MI-12], Rep. Tonko, Paul [D-NY-20], Rep. Turner, Sylvester [D-TX-18], Rep. Veasey, Marc A. [D-TX-33], Rep. Velázquez, Nydia M. [D-NY-7], Rep. Williams, Nikema [D-GA-5], Rep. Wilson, Frederica S. [D-FL-24], Rep. Crockett, Jasmine [D-TX-30], Rep. Hoyle, Val T. [D-OR-4], Rep. Titus, Dina [D-NV-1], Rep. Thompson, Bennie G. [D-MS-2], Rep. DeSaulnier, Mark [D-CA-10], Rep. Sewell, Terri A. [D-AL-7], Rep. McGovern, James P. [D-MA-2] and 7 more

Recent Actions

• 2025-01-22: Referred to the House Committee on Ways and Means.
• 2025-01-22: Introduced in House
• 2025-01-22: Introduced in House

Bill Versions

• Assuring Medicare’s Promise Act of 2025 — issued 2025-01-22 — PDF (7 pages)