How much power do presidents have over healthcare policy? It depends
www.ajc.com
Presidents don't hold all the power over health care policy. Congress, state governments, and the Supreme Court, also play major roles.

From the Atlanta Journal Constitution Politics News:

Republican presidential candidate former President Donald Trump (left) and Democratic presidential candidate Vice President Kamala Harris are seen on a screen in the spin room as they participate in a presidential debate at the National Constitution Center in Philadelphia on Sept. 10, 2024. (Matthew Hatcher/AFP via Getty Images/TNS)