Is there a hospital in the United States that turns away a patient. No, it is against the law.
They are required under EMTALA to provide "emergency" care. Outside a few oncological emergencies there are very few cancer related things that will get you treated in the emergency room. You will not get chemotherapy, likely, if you don't have insurance unless you can convince the hospital to give you some charity care.
Corporate Personhood has a very long and sorted history in the U.S.
Promise I am not being a jerk, but it is sordid. I completely agree with the rest of the story.
Arithmetic is being able to count up to twenty without taking off your shoes. -- Mickey Mouse