Essentially, we excel in a couple very specific things, like survivorship of breast cancer. We're middle of the pack in some things, like general cancer survivorship. And we're the worst by quite a bit in others, like chronic diseases. Basically, I would say we're not getting our $'s worth.
Here's some Commonwealth Fund info if you don't want to trust some random white paper.
Key abstract quote: "But one key finding emerges – the US ranks poorly on all indicators with the
exception of self-reported subjective health status."