WASHINGTON, DC - SEPTEMBER 18: (L-R) Administrator for the Centers for Medicare & Medicaid Services Dr. Mehmet Oz and U.S. President Donald Trump listen as U.S. Secretary of Health and Human Services Robert F. Kennedy Jr. speaks during a healthcare event in the Oval Office at the White House on September 18, 2026 in Washington, DC. Trump announced that his administration's Medicaid ​most-favored-nation drug pricing model will cover all 50 ‌states, the District of ‌Columbia and Puerto Rico. (Photo by Chip Somodevilla/Getty Images)