Practicing law isn't easy, and civil litigation in particular is difficult because of all the rules and formalities. You're in what I think would be considered a simple contract/collection case, where the hospital claims you owe them a certain amount of money, and you deny the size of the claim. I suggest, before you spend a lot of time and energy fighting this, seeing if you can settle it for some compromise amount, perhaps with installment payments so you can pay it off slower.
If you can't settle it and feel you have some meritorious defenses, I suggest getting a book or two for non-lawyers like this one for sale at amazon (also apparently Target has it):
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God bless. I am in Chicago and do not practice in your state.
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