This may be a surprise for you, but all hospital bills

Are negotiable. The worse thing you can do is wait and do not pay the bill and do nothing. Because the hospital can just forward the bill to a collection agency.

In addition, you daughter should be eligible for Emergency Medicaid. You can apply for Emergency Medicaid from the hospital that provided the treatment. They have all the necessary forms. You daughter had an emergency so she IS eligible for Emergency Medicaid. Immigration status has no impact on the eligiblity. Even undocumented aliens can get Emergency Medicaid. You need to ask the billing officer at the hospital on how to apply for Emergency Medicaid.

If you used an ambulance, unless it is run by a hospital, expenses of which are generally not covered by Emergency Medicaid.

Don't worry, you will pay a whole lot less than what you think you may need to pay.