Every few weeks, I stop to ponder the stunning fact that the US spends more than most developed countries on healthcare, but median health coverage is lousy. R&D leadership and cutting edge cancer care is nice, but... https://www.pbs.org/newshour/health/health-costs-how-the-us-compares-with-other-countries …
The article you linked brings a few non explanations (to many treatments and diagnoses, when they also write that there are fewer physician visits and shorter hospital stays) and does not really track administration issue and pharma costs.