I've heard the arguments, so if you're thinking you're going to win an argument with me about whether this means anything or not, you're not; but supplemental information about why what's printed on our money doesn't mean it's legally money to pay a debt to a doctor, go for it.

First, in a non-urgent situation, you’re going to be asked about payment prior to service, and they may refuse to treat you if you can’t pay.

Second, in an emergency situation where you’re unable to provide affirmative assent, you’ll be liable for costs under the doctrine of quantum meruit (quasi-contract). If you don’t pay, the provider can sue you, in which case, the court may force you to pay on their terms.