Could you explain how this would help? I'm struggling to understand where you're coming from here, besides perhaps a reflexive libertarian reaction to government.
Healthcare was a far smaller percentage of US GDP prior to heavy government regulations and especially limits on the number of new doctors a year.
Massive government subsidies for health care consumption not only eliminate, but disincentivize price discovery. If your biggest consumers of health care (seniors) have access to the best health insurance plan in the world (Medicare), that's going to drive costs up