The large number on a health insurance statement is not necessarily the amount a patient should pay. An explanation of benefits, usually called an EOB, explains how an insurer processed a claim. It is not a bill, and it may not subtract money the patient already paid at the doctor’s office.
That distinction is central to the Centers for Medicare & Medicaid Services’ guide to reading an EOB. The statement lets insured patients compare what a provider charged, what the health plan recognizes under its rules, what the insurer pays and what share is assigned to the patient.
Start with the patient, provider and date of service. Then check the description of the visit, test or treatment. CMS advises patients to ask the provider about unfamiliar names or services rather than assuming that a different billing name means a different visit. The claim number helps the health plan locate the transaction when a patient calls.
The next step is to separate the amounts. “Provider charges” is the amount billed for the care. The “allowed amount,” sometimes called a negotiated rate, is the amount recognized under the plan for a covered service. An adjustment can reflect a discount the provider agreed to accept. The insurer’s payment is another figure, not a substitute for the patient’s share.
A deductible, copayment or coinsurance can leave the patient owing money even when insurance covers the service. In CMS’s example, a covered office visit has a $100 allowed amount. A patient who has met the deductible and owes 20% coinsurance pays $20. If the visit is subject to a deductible that has not been met, the patient’s share can instead be the full $100 allowed amount.
Do not assume the EOB’s “patient responsibility” is still entirely unpaid. CMS says payments made directly to the provider may not be reflected there. A copayment collected at the appointment should be checked against the provider’s actual bill and the patient’s receipt.
When that bill arrives, compare it with the EOB for the same service. Check the date, charges, insurance payment, adjustments and earlier patient payments. Ask the provider’s billing office to explain any mismatch. If no EOB has arrived, contact the health plan to check whether the provider submitted a claim. CMS notes that copayments or coinsurance may be requested at the time of care.
Out-of-network care needs a separate check. A provider may sometimes bill above the plan’s allowed amount, but federal protections limit certain unexpected out-of-network bills, including for emergency services and some care at in-network facilities. The difference between a provider’s charge and the allowed amount is not automatically a charge every patient must pay.
A denial also deserves attention rather than being treated as a final answer without review. Read the EOB’s remark codes and explanations, then contact the plan about the reason. For private coverage, including Marketplace and employer plans, CMS describes an internal appeal process and, for eligible disputes, an independent external review. The process depends on the plan and type of denial. Keep the EOB, provider bill, receipts and correspondence together while checking the plan’s instructions and deadlines.
JBizNews Desk | Washington
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