Maybe this place.

https://surgerycenterok.com/?procedure_category=gall-bladder-surgery#jump\

Flat price and if I understand correctly if there are complications they take care of it on their dime. The way hospitals should be run?

Some more info. https://www.youtube.com/watch?v=1hIwhI5qxps

Wife had hers removed. Knowing what we know now she would have ask a lot more questions before letting them take it out. Maybe she needed it out, maybe she didn't.

John