Healthcare Blue Book
Find fair prices for surgery, hospital stays, doctor visits, and medical tests, based on the average fee that providers in your area accept as payment from insurers. Healthcare Blue Book also provides money-saving tips for each procedure and a pricing agreement that makes it easier to negotiate with out-of-network providers.

I never knew such a thing existed. Had I know it a couple of months ago I could have saved 2/3 the cost of my recent root canal. Spend a few minutes with this site and it will open your eyes to the costs of various procedures and give you an idea if you’re being overcharged.

via Wisebread