Billing Errors

These denials are usually caused by administrative or technical problems on the provider’s side, not by anything you did. Most can be resolved by your doctor’s billing office resubmitting the claim correctly.

• Medigap Didn't Pay After Medicare
  Medicare paid its share but your Medigap supplement didn't pick up the rest. You got a bill you shouldn't owe. Learn how to fix this crossover failure.
• Pharmacy Receipt Doesn't Match Part D EOB
  What you paid at the pharmacy doesn't match your Part D plan's Explanation of Benefits. Learn why this happens and how to get a correction or refund.
• Medicare Denied Claim as a Duplicate Submission
  Medicare denied your claim because it appears the same claim was already submitted. Learn why duplicate denials happen, what it means, and what steps to take.
• Medicare Denied Claim Due to a Coding Error
  Medicare denied your claim because of a coding mistake on the claim form. Learn why coding errors happen, how your provider can fix it, and what to do next.
• Medicare Denied Claim for Missing Information
  Medicare denied your claim because required information was missing or incorrect. Learn why this happens, what to do, and why your provider is responsible for fixing it.
• Medicare Denied Claim: Sent to Wrong Insurance
  Medicare denied your claim because it was sent to the wrong payer or another insurer should have been billed first. Learn what this means and how to fix it.
• Medicare Denied Claim: Service Bundled Into Another
  Medicare denied your claim because the service is bundled into another procedure already paid. Learn what bundling means, why it happens, and what to do next.