An Explanation of Benefits (EOB) is a document your health insurance company sends after you receive medical care. It’s not a bill — it’s a summary of how your insurer processed the claim and what they decided to pay. Understanding your EOB helps you catch billing errors, track your deductible progress, and know what you actually owe before any provider bill arrives.
Every EOB shows:
EOBs are typically sent by mail or available online through your insurer’s member portal within a few weeks of a claim being processed. Always compare your EOB to any provider bill you receive — if the numbers don’t match, contact your insurer or the provider before paying.
No. An EOB is not a bill. It’s a statement from your insurer showing how a claim was processed. Your actual bill comes separately from the provider. Wait for both — and compare them — before making any payment. If you receive a provider bill that’s higher than the “patient responsibility” shown on your EOB, contact the provider’s billing department.
Check the denial reason listed on the EOB. Common reasons include the service wasn’t covered, prior authorization wasn’t obtained, or the provider was out-of-network. If you believe the denial was incorrect, you have the right to file an appeal. Your insurer’s member portal or the EOB itself should include instructions on how to start the appeals process.
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