Simplee is a new service that is worth checking out. If you are using Mint.com for your finances, you can think of Simplee as the Mint of your healthcare spending.
Set up is easy. You have to provide your credentials to log into your healthcare provider's web, and then rest is a well designed page that you can see an overview of your healthcare situation and can drill down as necessary.
It was quite astonishing to see how high the charges are and how you are shielded (or not) from such costs.
There is some information that I am not able to explain as it claims that I owe some money because of some visits but in reality my healthcare provider covered those. Not sure if it is some kind of mistake or just a misunderstanding on my part. They have a Twitter account where you can post questions as well.
Oh, here is the LifeHacker article on it.