No it is not.
Lots of experience with the health system in the US, for me, and helping many other navigate the systems.
It's not even close to identical. If you go to ER here and you can't pay, they may provide you with a certain level of 'care' to 'stabilize you' (as the law says they are supposed to, and the feds send some money to hospitals to cover some of this), and you will get billed, and collections calling, and credit report issues, and threats to sue and have your property auctioned (have held one of these letters in my hand, complete with a list of property that was in my name.
Even worse, the 'care' you may get is normally crap. For example I have seen the same people with same condition, at one hospital get a quick surgery and leave with a colostomy bag for rest of life, and other person at other hospital with insurance get placed in a room and treated for weeks - then left with a warning to avoid seeds.
I have seen so many examples of places leaves humans to rot with no insurance - hospitals.
Even with insurance, you can find yourself waiting 6-8 weeks for a doc appointment. I have so many examples.