As a couple others have said, as much as it sucks, this is what happens when you have to pay out of pocket. An average ped visit for kiddo cost $250 and that was if he didn't have labs, immunizations, meds, etc. Toss in a quick strep test, or shots, or nebulizer, etc and watch the cost skyrocket. Unless they're willing to do you partial probono... they're using TCD-9 codes. And if they're owned by an insurance company or HMO (like most hospitals these days and all the clinics attached to them), they have no choice or leeway.
Fortunately our Ped let us pay off over time, and if kiddo was sick and we were between student loan checks -aka flat broke-, they'd hold the bill for us until the beginning of the quarter, and from working in a hospital I KNOW they were eating some of the costs out of kindness. I've had appts with my son that should have run over 1,000 and they were only billing at 400-500. (Our peds were a doctor owned co-op... so they DID have some wiggle room as far as billing was concerned. They could eat some of the patient cost, and not be fired and blackballed.)
I come from a family of doctors (hey Granddad/Auntie/Mum...), and then I was in the military where EVERYONE has healthcare (as in you're sick, go see a doctor. Something's broken, go to the ER). It's been a huge shock being out in "over 40,000,000 people have no health insurance land" and being one of them, and not near family. Hmmm... do I see a Dr. or feed my child? Well, I don't have novacaine, but it's only through 2 layers... I can stitch it myself (takes forever btw...sweat gets in your eyes... and at least for me the endorphins don't kick in till AFTER) or it's just a finger, I can set it myself, or I'm just going to have to cross my fingers and hope the cancer is in remission until I can afford to fly home, because I sure as hell can't afford the $1400 checkup.
Medical costs are astronomical, and if you're sans insurance (or even worse, have crappy insurance where're you're responsible for 50-80%) you pay through the nose for every minute of care. If it makes you feel any better though, the doctors are in an equally bad position. They're seeing more patients, for less time, and being paid waaaaaay less while their costs are going nowhere but up. Very few are in private practice these days... because they plain and simple can't afford it. Nearly everyone I know in the medical field is exhausted. CNA's are doing nurse's jobs, nurses are doing doctor's jobs, and doctors are busier than a one legged man in an a** kicking contest, and trying to stay afloat at the same time.
All of that said, if the office staff is snarky... or you get a bad vibe from the clinic in general SWITCH!! Voting with your feet is a fantastic methodology. :) :) :) But as far as the billing goes... pretty standard.