Commonwealth of Massachusetts et al. v. Oz et al.

Docket No.
1:26-cv-12962
District Court
Massachusetts

Goal

  • Block enforcement of agency action
  • Declare that agency action is unlawful
  • Vacate agency action

Issues

Why This Matters:

Why This Matters:

A coalition of states allege that a federal rule to implement Medicaid work and community engagement requirements violates the Administrative Procedure Act and the Spending Clause. The rule, the states argue, is inconsistent with newly established Medicaid work requirements and will make it harder for vulnerable Americans to maintain coverage that they should otherwise qualify for. The rule will also impose significant documentation requirements on patients to prove that a medical condition impairs their ability to work or volunteer.

Potential Impact:

Potential Impact:

Administrative burdens could result in a loss of Medicaid coverage for millions of otherwise eligible patients and reduce access to care for vulnerable populations.

News And Analysis (1)

8 Major Filings

Related Litigation

Current Status

Briefing is ongoing

Important Date

Hearing on Motion for Preliminary Injunction

Legal Issues

Administrative Procedure Act - Contrary to Law, Administrative Procedure Act - Arbitrary and Capricious, Spending Clause

Topic(s)

Medicaid

Date Filed
June 29, 2026
Case Type
Civil
Court Type
District Court
Court
Massachusetts
Judge
Stearns, Richard Gaylore Appointed By: William J. Clinton
Plaintiff(s)
Commonwealth of Massachusetts; State of California; State of New Jersey; State of Arizona; State of Colorado; State of Connecticut; State of Delaware; District of Columbia; State of Hawaii; State of Illinois; Andy Beshear; State of Maine; State of Maryland; State of Michigan; State of Minnesota; State of New Mexico; State of New York; State of Nevada; State of North Carolina; State of Oregon; Josh Shapiro; State of Rhode Island; State of Vermont; Commonwealth of Virginia; State of Washington; State of Wisconsin
Lead Counsel For Plaintiff(s)
Government
Amicus Briefs for Plaintiff(s)

American Medical Association et al.

Defendant(s)
Mehmet Oz; Centers for Medicare & Medicaid Services; Robert F. Kennedy Jr.; Department of Health and Human Services
Lead Counsel for Defendant(s)
Government