How to Read an Explanation of Benefits (EOB) and Avoid Billing Errors

Understanding how to read an Explanation of Benefits (EOB) is essential for anyone managing a loved one’s medical care—especially if they’re on Medicare or another insurance plan. Whether you're the caregiver or supporting from afar, reviewing EOBs carefully can help you avoid unnecessary payments, identify billing errors, and even detect fraud.

EOBs are one of the most misunderstood health insurance documents, yet they play a crucial role in keeping healthcare finances on track.

What Is an Explanation of Benefits (EOB)?

An Explanation of Benefits is a statement from an insurance provider that details the medical services billed on behalf of a patient. If your loved one has Medicare, this document is called a Medicare Summary Notice (MSN).

Important: EOBs are not bills. However, they do show how much may still be owed to the provider, depending on what the insurance covered.

What You’ll Find in an EOB

Each EOB outlines:

• ‍Services and Supplies Billed: Listed with five-digit service codes and descriptions.
• ‍Service Dates: When the services were provided.‍
• Provider Names: Hospitals, doctors, clinics, or labs involved.
• ‍Amount Billed: What the provider charged the insurance.‍
• Approved Amount: What the insurance considers a reasonable fee.‍
• Insurance Payment: How much was paid by the insurance.‍
• Amount You May Owe: This may include copays, deductibles, or services not covered.

If your loved one also has supplemental insurance, wait until you receive both the main EOB and the supplemental EOB, plus the final provider bill, before paying anything.

Tips for Reviewing an EOB Accurately

To protect your loved one from billing errors or overpaying:

• ‍Match the Names and Dates: Verify that the patient, provider, and service dates are all correct.
• ‍Track Your Records: Keep receipts, appointment notes, and prescription logs.‍
• Watch for Duplicate Charges: Compare service codes to ensure the same service isn’t listed more than once.‍
• Compare “Billed” vs. “Approved” Amounts: Providers must accept the approved fee unless you were told in advance about higher charges.‍
• Review What’s Owed: Understand why a balance is listed—deductible, copay, or non-covered service.‍
• Spot Denials or Errors: If something doesn’t look right, call the provider or your loved one’s insurance customer service line.

Common Issues Found in EOBs

• Incorrect patient name or insurance ID
• Services listed that were never received
• Denied claims without explanation
• Charges from out-of-network providers
• Non-covered services billed without prior authorization

If you suspect a billing error, request a corrected claim. If coverage is denied and you believe it's an error, you have the right to appeal.

How Geriatric Care Managers Can Help

At LiveWell, our GCMs can:

• Review EOBs and final medical bills to ensure accuracy
• Help coordinate communication between providers and insurance companies
• Advocate for corrections or appeals in case of billing errors
• Assist with organizing and storing medical documentation
• Provide education on Medicare, supplemental insurance, and what’s covered

By partnering with a GCM, you reduce the risk of overpayment, ease your stress, and gain peace of mind knowing an expert is looking out for your loved one’s care—and their finances.

Make Confident Decisions About Your Loved One’s Medical Bills

Understanding an Explanation of Benefits is one of the most effective ways to manage your loved one’s healthcare costs. It can protect against overcharges, reduce stress, and empower you to make informed decisions.

📞 Contact LiveWell today to schedule a free initial consultation and discover how our experienced care managers can support you and your loved ones—during the holidays and beyond.

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