Here's where I am further confused, then. If the provider has this list of chargemaster rates (inflated though they may be), and I tell them I'm paying cash, no

Here's where I am further confused, then. If the provider has this list of chargemaster rates (inflated though they may be), and I tell them I'm paying cash, no insurance of any kind involved, shouldn't they be able to tell me at that moment what they will charge me?