People keep talking about this and it's a clear sign that people don't know what they're talking about. Price transparency has been the law for 3 years now. [1]
Here's a 226 MB csv file from the Mayo Clinic with... lots of prices [2] and a human friendly search tool [3]
It is extraordinarily frustrating trying to discuss these things with people when folks just make things up and have no idea what they're talking about.