Medicare Overpayments Kept After Identification: The Part A and Part B Timeline

The Medicare overpayment 60-day rule requires Part A and Part B providers and suppliers to report and return identified overpayments, with a conditional 180-day investigation period for related payments. If you work in billing, finance or compliance, you may know when an audit reached management, what the review established and why the money stayed in the business.

Oglethorpe: Allegations That Its Own Consultants Found Overpayments It Kept

Oglethorpe, a psychiatric hospital operator, and its top executives agreed to a $32 million civil settlement announced in May 2026. The Justice Department alleged that they knowingly failed to return Medicare overpayments that the company’s own consultants had identified.

The government alleged that beneficiaries admitted to two Ohio hospitals and a substance abuse clinic did not qualify for inpatient psychiatric care.

We see the absurdity in the allegation: Oglethorpe allegedly kept the money after its own consultants identified the overpayments. A review with an answer. Then no refund.

Four former employees brought the whistleblower case: a registered nurse and former officials in fiscal, financial and regional operations. Their roles span the care, the operation and the money.

For someone working inside a healthcare organization, that is the connection worth discussing. You may understand what a review found, how the findings reached decision-makers or what finance did with the identified amount. Those observations can connect the clinical question to the retained payment.

Medicare Overpayments Begin With Money Already Paid

A Medicare overpayment is money a provider or supplier received or kept that it was not entitled to after the applicable reconciliation. That can mean a duplicate payment, payment for a noncovered service, an amount above what Medicare allows, or an expense that did not belong in a cost report. The reporting-and-return rule reaches money already inside the business.

A claim can reach payment before a detailed review of the underlying care. A consultant, internal audit team or Medicare contractor may later identify a problem that changes what the provider is entitled to keep.

The Congressional Research Service described the pressure behind this sequence in its 2011 report, Medicare Program Integrity: Activities to Protect Medicare from Payment Errors, Fraud, and Abuse:

The report explains that reviews after payment can examine medical necessity, accuracy and other information that received limited scrutiny before payment. It also describes the expense of identifying and recovering overpayments. For an insider, the important part is what happens after that review: who learns of the overpayment, who controls the response and whether the money comes back.

Medicare 60-Day Overpayment Identification Changed in January 2025

Medicare 60-day overpayment identification changed on January 1, 2025. The amended rule identifies an overpayment when a person knowingly receives or retains it. That includes actual knowledge, deliberately avoiding the facts and recklessly disregarding them.

The earlier rule, adopted in 2016, tied identification to determining that an overpayment existed and quantifying it, including what reasonable diligence should have uncovered. The change matters when someone points to an unfinished calculation as the reason no obligation has started.

The Centers for Medicare & Medicaid Services says the clock starts on identification even before the precise amount has been calculated. Where a provider deliberately ignores or recklessly disregards information about an overpayment, it starts on the date of that conduct. Management cannot choose a later start by finally acknowledging the money owed.

An internal review therefore has more than a completion date. Its findings, the people who received them and the response can show what the business knew before the final spreadsheet arrived. We examine that history with the payment records, including whether the review expanded to other claims affected by the same problem.

Medicare Good Faith Investigation and the 180-Day Limit

A Medicare good faith investigation can suspend the return deadline for related overpayments, subject to the 180-day limit measured from initial identification. The provider must have identified an overpayment and must conduct a timely, good-faith investigation into other overpayments arising from the same or a similar cause. Calling an account under review does not supply the investigation the rule describes.

The pause covers both the initial and related overpayments. It ends when the investigation and total calculation are complete, or at the limit, whichever comes first. Closing the review does not restart the clock: only the remaining time resumes.

An isolated overpayment, with no reason to suspect related overpayments, has no investigation suspension. The ordinary deadline applies: the later of 60 days after identification or the corresponding cost-report due date for amounts tied to that report.

A review of other claims affected by the same billing problem explains why the initial finding led to a broader calculation. The useful business records show which claims the review covered, what common problem connected them and when the work actually occurred. A finding in a sample raises a concrete question for us: what happened to the other claims with the same problem?

We look at the work behind the label. A review that produces findings, identifies affected payments and calculates the amount has a history someone inside the organization can describe. That history matters more than an open item on a compliance agenda.

The Payment, Investigation and Return Have Different Dates

The payment, the finding and the refund leave different records. Together they show where the response moved forward or stalled:

• Receipt: The remittance records the claim decision. The transfer records the money received.
• Initial identification: Findings and communications show when the organization knew it had an overpayment.
• Related investigation: Dated work shows which other claims were examined for the same problem.
• Calculation and reconciliation: The analysis connects affected payments to the amount owed.
• Report and return: The records show what the provider told Medicare and whether the money came back.

For Part B claim payments, the remittance and bank deposit deserve separate attention. The remittance records payment decisions and adjustments. An offset at the provider-account level can change the transfer, so the amount shown against an individual claim and the deposit can differ.

Reporting also carries an explanation of why the overpayment occurred. The Medicare reporting-and-return fact sheet describes written notice of the reason for the overpayment.

The claims, warnings and payment records connect these events. A revised calculation can explain why the amount changed. A dated response can explain why management accepted, disputed or left a finding unresolved. We put those records beside the return of the money.

Part A Cost Reports Add a Reconciliation Stage

Part A cost-report payments can involve interim amounts followed by verification and adjustment. Hospitals also receive prospective payments, while cost reports remain relevant to cost-based components and other adjustments. The report, the claim and the payment each describe a different part of the transaction.

The Congressional Research Service’s account of provider auditing describes annual cost reports from hospitals, nursing homes and other institutional providers. Contractors review reported costs and can pursue field audits when a desk review reveals anomalies. Someone in finance may see the cost allocation or reconciliation that explains the amount Medicare should ultimately pay.

Medicare’s overpayment rule places the ordinary cost-report reconciliation at the provider’s year-end reconciliation of payments and costs to prepare the report. Certain adjustments, including specified outlier reconciliations, depend on the final cost-report reconciliation. The payment type determines which reconciliation matters.

The deadline follows the corresponding cost report only for overpayments tied to that report. Claim-level refunds follow their own payment records.

Silver Lake Hospital shows the retention issue after reconciliation. The government alleged that the hospital increased charges without corresponding cost increases, obtained excessive Medicare outlier payments and then knowingly or recklessly avoided reconciliation debts. Its provider settlement agreement set a payment obligation of $18,636,282. The alleged problem ran from the charges used to obtain payment through the later amount owed back.

For a hospital insider, that makes the cost report and reconciliation more than accounting background. They can explain how a payment the hospital received became an amount management knew Medicare was owed.

The Lookback Starts With Receipt

The Part A and Part B lookback reaches an overpayment identified within six years of receipt. The payment date tells us how far back the money goes. The findings and response tell us what happened after identification.

An internal spreadsheet may use one status field for a review, an appeal or a repayment arrangement. We examine the underlying events: the amount identified, a contractor’s determination and any actual return. We work through those distinctions with you and Medicare fraud whistleblower lawyers who understand the payment path.

A Medicaid Exception List Shows Why Scope Matters

The historical overpayment dispute involving Continuum Health Partners concerned New York Medicaid. The court’s account of the government’s allegations described an employee email flagging more than 900 potentially affected claims, approximately half of which were not actually overpaid.

That is a useful distinction between the claims selected for review and the amount ultimately owed. The original list shows the scope of the concern. The investigation and calculation explain which payments belonged in the refund. Both records matter when we examine what management learned and what it did with that information.

The Medicare and Medicaid payment paths explain why the program behind an audit finding matters as much as the list of affected claims.

Part D Has Its Own Overpayment Rule

Part D overpayments follow sponsor payment and drug-event and rebate reconciliation. The sponsor’s return obligation belongs to that payment system. The Part A and Part B investigation suspension does not carry over to Part D, and Medicare Advantage has its own overpayment provisions as well. Those plan-payment systems have separate processes for correcting risk-adjustment and drug-payment data.

An insider’s first view may be a pharmacy transaction, a provider claim or a plan report. The program that paid and the business that received the payment determine which records explain the retained amount. We follow that transaction before applying the return timeline.

Medicare Refund Timing Versus FCA Knowledge

Knowingly keeping an identified overpayment after the applicable deadline can support a False Claims Act case. The dates, the findings communicated to management and the payment history give that allegation its substance.

A whistleblower case under the False Claims Act can pay 15% to 30% of what the government recovers. If you know why an identified amount remained in the business, we can examine that decision with you and build the case around the money, the review and the people responsible for the response.

When Management Knew What Medicare Was Owed

If you work in health care, saw an audit identify overpayments and know why the money stayed put, speak with our whistleblower experts about the findings and the response. We work beside you to build your strongest retained-overpayment case, bring in Medicare fraud whistleblower lawyers with experience in retained-overpayment cases, and stay with you through the case.