In-network vs. out-of-network, in plain English
Why the same service can cost very different amounts.
An in-network provider has a contract with your insurance company and agreed prices. An out-of-network provider doesn't, so your plan may pay less, or nothing, and your share can be higher.
Sometimes a provider bills you for the difference between their full charge and what your plan paid. This is often called balance billing. Whether that is allowed can depend on your plan, the provider's network status, where you live and federal and state law — so it's a question to raise with your insurer, not something to assume either way.
Before a planned visit, you can ask both the provider and your insurer whether the provider, and anyone else likely to be involved, is in your network.
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Compare my bill and EOBMore guides
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Important: The Medical Bill Detective provides informational assistance based on the documents you provide. It does not provide medical, legal, insurance, or financial advice and does not determine whether a bill is legally valid, fraudulent, or incorrect. Potential discrepancies should be verified with your healthcare provider and/or insurance company.