[bootwoot]

Even so it's a maddeningly complicated system. If you end up in front of a doctor outside of your magic network, you might end up with a sudden several thousand dollar bill instead of $400.

Minor mistakes and games can also create odd billing situations that are opaque and difficult to fight.

[nradov]

True, but the No Surprises Act has eliminated some of the worst abuses in that area.

https://www.cms.gov/nosurprises