On September 16, 2026, Senator Elizabeth Warren and other lawmakers introduced S. 5419, the Stop Corporate Takeovers of Physicians Act. The draft addresses ownership and control of medical practices, including arrangements in which a management services organization (MSO) handles business functions while investors influence clinical operations. The bill is pending; it has not become law.
The article opens with Warren and 12 members of Congress introducing legislation targeting for-profit ownership of medical practices.
The text would generally make it unlawful for a business entity that is not majority-owned and controlled by licensed clinicians to own or control a medical practice, employ clinicians for professional services, or practice medicine. It also restricts MSOs from controlling staffing, clinical policies, pricing and other decisions that can affect care. The proposal would bar certain noncompete and nondisclosure agreements involving clinicians, subject to exceptions in the text.
The scope is not universal. The draft expressly exempts public and nonprofit providers, hospitals, hospital-affiliated clinics, critical-access hospitals and rural emergency hospitals from its main ownership prohibition. It proposes enforcement by the Federal Trade Commission, state attorneys general and injured parties, and says covered requirements would begin one year after enactment. Those provisions describe what Congress is considering, not current legal obligations.
This is more specific than a simple ban on private-equity ownership: the bill would regulate majority ownership, clinical control and MSO arrangements across a broader set of corporate entities. Its practical impact would depend on the final text, passage, rulemaking and how exceptions are applied. The first procedural step is modest: the Senate record shows the bill was read twice and referred to the Commerce, Science, and Transportation Committee.