The major healthcare provisions of the One Big Beautiful Bill Act (OBBBA) have a range of effective dates. Insurance eligibility and affordability provisions are generally frontloaded, with the earliest marketplace changes taking effect in 2025 and Medicaid work requirements starting by the end of 2026. Restrictions on Medicaid financing will be phased in starting in 2028.

• 7/4: President Trump signed the One Big Beautiful Bill Act into law, imposing deep cuts to Medicaid and other insurance programs. This is projected to increase the number of uninsured Americans by nearly 12 million by 2034.
  → Go deeper: $1T in healthcare cuts: What 'One Big Beautiful Bill Act' means for the industry

• 7/1: The Senate passes a revised One Big Beautiful Bill Act, which would significantly cut funding and coverage for Medicaid, Medicare, and the ACA marketplace. The bill will now return to the House.

• 6/27: SCOTUS rules that the U.S. Preventive Services Task Force (USPSTF) can continue to determine the preventive care services that must be covered with no cost sharing
  → Go deeper: Supreme Court upholds federal health task force that sets no-cost coverage for preventive services - CBS News
• 6/26: ACIP met for the first time since HHS Secretary Robert F. Kennedy Jr. replaced the board with seven new appointees. They recommended annual flu shots, an RSV monoclonal antibody treatment for infants, and announced a review of childhood vaccine schedules. They also recommended against flu shots containing the preservative thimerosal.
  → Go deeper: CDC's new vaccine advisory panel just met. Here's what they discussed.
• 6/23: HHS and major payers announce commitment to streamline and improve prior authorization processes.
  → Go deeper: 50+ insurers pledged to reform prior authorization. What's next?

• 6/9: HHS submits funding request and detailed justification to Congress to establish the new Administration for a Healthy America (AHA), combining several existing HHS programs into one division.
  → Go deeper: What to know about the Administration for a Healthy America
• 6/9: RFK fired all 17 members of CDC's ACIP, the expert panel that reviews data on vaccines, debates evidence, and votes on who should receive shots and when
  → Go deeper: Health policy roundup: RFK Jr. fires entire CDC vaccine panel
• 6/4: CBO releases updated estimates for the final version of the House’s passed One Big Beautiful Bill Act, projecting almost 11 million Americans will lose their health insurance and a $2.4 trillion increase to the nation's deficit by 2034
  → Go deeper: CBO: House bill would cost $2.4T, cause nearly 11M to lose health insurance