Letting people set up private companies with competitive options I think would probably drive the best results.
Splitting employers from health insurance is one of several required changes that needs to happen before the supposed hand of capitalism can allow the market to get healthier.
I have no idea if it would work, but the status quo is so unhealthy at the very least improvement competition/choice could improve that somewhat.
There's plenty of employers that don't offer healthcare, and you are not obligated to take it if your employer does offer it. You can always buy your own health insurance.
Hello, please call
* 910 if you think your fire is not urgent, and can wait 10 minutes to come for free
* 911 if you think your fire is getting hotter, and can only way 5 minutes to come for $500
* 912 if you would like the fire department to come as soon as they possible can, and skip the queue of 910 callers for $10000