Not helpful to you now, of course, but this billing practice is now illegal: https://www.cms.gov/nosurprises/ending-surprise-medical-bills https://www.cms.gov/

Not helpful to you now, of course, but this billing practice is now illegal: https://www.cms.gov/nosurprises/ending-surprise-medical-bills https://www.cms.gov/nosurprises/ending-surprise-medical-bill... (Signed by Trump during the 2020 lame duck!)