Medicare Overpayments: When Does a Billing Error Become a False Claims Act Problem?

Most healthcare providers understand that Medicare billing mistakes can result in repayment. The more difficult question is what happens when a provider discovers—or reasonably should discover—that it has been overpaid. That question matters because Medicare’s overpayment rules can intersect with the federal False Claims Act (FCA), creating consequences that extend well beyond repayment of an individual claim.

An overpayment is defined broadly as an amount paid to a provider that exceeds what was due and payable under applicable laws and regulations. Common alleged causes include incorrect coding, insufficient documentation, medical-necessity errors, and administrative or processing problems.

For Medicare Parts A and B providers and suppliers, the central rule is familiar: an identified overpayment generally must be reported and returned by the later of 60 days after identification or the applicable cost-report due date. Federal regulations also establish a six-year lookback period for identifying overpayments. The critical word is “identified.” Typically, an overpayment is identified when a provider has, or through reasonable diligence should have, determined that it received an overpayment and quantified the amount.

For physician practices and healthcare businesses, this creates an important distinction between an isolated billing mistake and a compliance process that fails to respond appropriately after credible information about potential overpayments emerges.

Suppose a practice discovers that a billing rule was incorrectly configured and may have affected hundreds of Medicare claims. The appropriate response is not necessarily to immediately write a check to Medicare. The practice may need to investigate the scope of the problem, determine which claims were actually affected, quantify the overpayment, document the investigation, and determine the appropriate reporting and repayment mechanism. At the same time, the investigation should not become an excuse for indefinite delay. The 60-day obligation makes timely compliance important, while the FCA can make the consequences of retaining certain government overpayments substantially more serious than the original billing error. An overpayment retained after the applicable deadline may constitute an obligation for purposes of the FCA.

This is why healthcare organizations should have a defined overpayment-response process. Employees should know where to escalate suspected billing problems. Compliance personnel should know how to document reasonable diligence. Finance and revenue-cycle teams should be prepared to preserve relevant claims data. And leadership should know when an issue warrants legal review.

The goal is not to treat every coding error as a federal enforcement matter. It is to ensure that a manageable billing problem does not become a much larger compliance problem because the organization failed to respond once it had reason to investigate. For physician practices and healthcare business owners, the lesson is straightforward: Medicare compliance does not end when a claim is submitted. How an organization responds after discovering a potential overpayment can be just as important as how the original claim was billed.

For over 40 years, Wachler & Associates has represented healthcare providers and suppliers nationwide in a variety of health law matters, and our attorneys can assist providers and suppliers in understanding new developments in healthcare law and regulation. If you or your healthcare entity has any questions pertaining to healthcare compliance, please contact an experienced healthcare attorney at 248-544-0888 or wapc@wachler.com.