Most of us know which local hospitals and doctors are covered by our insurance providers, but even when we make sure that we only see an in-network physician or surgeon, nearly one-third of privately insured Americans are still hit with higher-than-expected medical bills, often because their in-network hospital brought in or contracted out to an out-of-network service provider. How did we get to the point where so many consumers have so little information about what to expect when their hospital bill arrives? [More]