Pick any metric you want.
US spends the most per citizen on healthcare than any other developed nation.
But this Bloomeberg study ranks us in the mid 50s out of 55 in healthcare efficiency. Which is still behind all those previously compared developed nations. The study is behind a paywall but this article covers the results.
We're also ranked worst in maternal mortality rate out of those same developed nations.
Now the insurance industry, pharmaceutical price gouging is a separate matter.
A discussion on US healthcare is absolutely pointless if you're just going to wave away the single most significant difference between the United States' healthcare system and every other developed nation.