You should read more and expand your sources of information. Here's a place to start... a list of the top 10 hospital systems in the US: https://www.definitiv

You should read more and expand your sources of information. Here's a place to start... a list of the top 10 hospital systems in the US: https://www.definitivehc.com/blog/top-10-largest-health-systems https://www.definitivehc.com/blog/top-10-largest-health-syst... Hospital systems are mostly following the same path as other corporations have, merging and acquiring until there are only a few dominant firms, at which point those firms will have the market in a death grip. There are clinics and small partnerships where doctors are part owners, but they're a tiny minority in the US. For the most part, to be a doctor in the US you have to have admitting privileges at a hospital.