This study however, doesn't seem to account for the dramatically increased usage of the system. If medical care were "free" -- the demand would quickly outstrip supply -- there's a real cost to that.
It seems like the physician shortage will only continue to worsen. https://www.aamc.org/news-insights/press-releases/new-findin...
Edit: Basically, I think a lot of people will still be left without adequate health care in minor cases, but at least the most urgent cases will be taken care of without leaving people bankrupt.