I would have a free universal healthcare system in place like there is in England (the NHS - National Healthcare Service), but with good compensation packages for all staff. Funding would come from wages/salary and would be a % of income. No insurance.
It would no longer be a business, it would be a HEALTHCARE system. Top admin wouldn't be paid ridiculous amounts, but salaries more in proportion to realistic standards.
I would make sure every hospital was adequately equipped with everything it needs in terms of supplies and technology.
I would staff appropriately to improve patient safety and reduce nurse and doctor burnout and stress.
I would funnel money into preventative care programs.
I would funnel money into social services and provide family support from the ground-up, because a lot of the issue begin there.
I would provide adequate resources in schools
to educate in health and wellness.
I would funnel money into mental-health because that is tragically understaffed and underfinanced.
(....and I would also like to dive out from behind the wall saying, "hi, I'm John Quiñones......"and this is "what would you do??")