Medicare and Medicaid Administrator Mehmet Oz (L) and US Health and Human Services Secretary Robert F. Kennedy Jr. (R) listen as US President Donald Trump speaks about healthcare in the Oval Office of the White House in Washington, DC, on September 18, 2026. (Photo by Jim WATSON / AFP via Getty Images)

WASHINGTON, DC - SEPTEMBER 18: U.S. President Donald Trump speaks to reporters about healthcare 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)

WASHINGTON, DC - SEPTEMBER 18: U.S. President Donald Trump talks to reporters about healthcare 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)

WASHINGTON, DC - SEPTEMBER 18: U.S. President Donald Trump talks to reporters about healthcare 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)

WASHINGTON, DC - SEPTEMBER 18: U.S. President Donald Trump (C) is joined by (L-R) South Dakota Gov. Larry Rhoden, Arkansas Gov. Sarah Huckabee Sanders, Administrator for the Centers for Medicare & Medicaid Services Dr. Mehmet Oz, U.S. Secretary of Health and Human Services Robert F. Kennedy Jr. and Mississippi Gov. Tate Reeves as he speaks to reporters about healthcare 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)

WASHINGTON, DC - SEPTEMBER 18: (L-R) South Dakota Gov. Larry Rhoden and Arkansas Gov. Sarah Huckabee Sanders listen as U.S. President Donald Trump speaks to reporters about healthcare 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)

US President Donald Trump speaks with (L/R) Medicare and Medicaid Administrator Mehmet Oz, US Secretary of Health and Human Services Robert F. Kennedy Jr. and Mississippi Governor Tate Reeves in the Oval Office of the White House in Washington, DC, on September 18, 2026. (Photo by Jim WATSON / AFP via Getty Images)

US President Donald Trump speaks about healthcare in the Oval Office of the White House in Washington, DC, on September 18, 2026. (Photo by Jim WATSON / AFP via Getty Images)