As health-care expert Lisa Zamosky points out on WebMD, you might not be able to control medical costs, but scrutiny of your medical bills can help you save money. The key, she says, is knowing when and how to take action.

Here are four things to watch.

1. Always review your medical bills. They’re notoriously riddled with errors. Be mindful of even minor charges, especially when it comes to hospital care. For example, one person reported that her grandfather was alone in the ICU and intubated (had a breathing tube and was unable to speak) when he was billed for making phone calls at 4 in the morning...

Please see full article below for more information.