42 C.F.R. § 405.371 · Credible Allegation of Fraud · Rebuttal Statement · 180 Days

Medicare Payment Suspension Defense

A payment suspension stops the money before anything is decided, and the route out of it is not the ordinary appeal process.

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If payments have stopped, the rebuttal window is already running. Call before the first payroll is missed.
Medicare Payment Suspension Briefing

Suspension, Rebuttal and the 180-Day Structure

Under 42 C.F.R. § 405.371, CMS may suspend Medicare payments in whole or in part where there is a credible allegation of fraud. The suspension can be imposed without prior notice, and the money stops while the underlying investigation continues.

The critical point is procedural: a payment suspension is not an initial determination, so it does not enter the ordinary five-level Medicare appeals process. The mechanism is a rebuttal statement, and the period for filing it is measured in days, not months. Treating a suspension like an appealable denial is the most common and most costly mistake.

42 C.F.R. § 405.371
Suspension Authority
180 days
Initial Suspension Period, Extendable
2,000+
Audits and Investigations Handled
Immediate
Response for Suspensions
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The Stakes
The money stops first and the process to restore it is narrow and fast

Suspension is an interim measure, not a finding of liability, but the cash flow effect is immediate and total for providers whose revenue is predominantly Medicare. The suspension runs for an initial period of 180 days and can be extended, which means a provider can be without Medicare revenue for a year or more while an investigation it cannot see proceeds. The rebuttal is the only early opportunity to change that.

  • Imposed on a credible allegation of fraud, often without prior notice
  • Rebuttal, not appeal: the standard appeals process does not apply
  • Initial 180 days, extendable, with a parallel Medicaid mechanism
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Case files
01
Cash flow stops on claims already worked

Suspension withholds payment on claims that have been submitted and on those still to come. Services already delivered go unpaid. For providers where Medicare is the majority of revenue, the operational question becomes payroll within weeks, not the merits of the allegation.

Cash Flow Exposure
02
Rebuttal is the mechanism, and it is not an appeal

The suspension is not an initial determination, so the redetermination and reconsideration ladder does not apply to it. A rebuttal statement is submitted to the contractor and considered by CMS. It is a short, evidence-led document, and it is usually the only chance to affect the suspension before the investigation concludes.

Narrow Procedure
03
A suspension signals what is coming

A credible allegation of fraud generally means a program integrity contractor, and often HHS-OIG or DOJ, is already involved. The suspension is frequently the first visible sign of an investigation that has been running for some time, and the response has to be written with that audience in mind.

Investigation Signal
Why Suspensions Are Different
A suspension is designed to act before the evidence is tested

Four features separate a payment suspension from an ordinary overpayment dispute.

Factor 01
The threshold is credibility, not proof
A credible allegation of fraud is a low bar by design. It can rest on data analytics, a complaint, or a whistleblower. Nothing has to be proved before the money stops, which is why arguing the ultimate merits in the rebuttal often misses what the decision-maker is actually weighing.
Factor 02
Notice may come after the suspension
Where the suspension is fraud-based, prior notice can be dispensed with. Many providers learn of it from a remittance advice rather than a letter, which shortens an already short window and makes establishing the exact notice date one of the first things to pin down.
Factor 03
The clock has structure worth understanding
The initial period runs 180 days, with extensions available where law enforcement requests them, and the position can continue while a case develops. Knowing where in that structure a suspension sits changes what is realistic to seek and when.
Factor 04
Medicaid runs a parallel track
Under 42 C.F.R. § 455.23 a state Medicaid agency must suspend on a credible allegation of fraud unless good cause not to exists. Providers billing both programs frequently face both at once, and the good cause exceptions on the Medicaid side are a distinct argument worth making separately.
The rebuttal window is counted in days from the notice, not from when you found out
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Document review · Illustrative image, not a client record
Document Review

The document response shapes the next procedural stage

The first response is not a routine administrative task. It establishes the documents, timing, and record the contractor can later use in its findings and on appeal.

Notice and deadlineIdentify the review posture and protect the earliest response window.
Contractor and review typeConfirm whether the matter is a document request, prepayment review, postpayment review, or focused medical review.
Scope and requested recordsReview the claim universe and the requested records before producing a file that cannot be taken back.
Our Approach
How we respond to a Medicare payment suspension

Four stages, with the decisive work in the first fortnight.

  • Document request response and audit scope evaluation
  • Initial determination engagement and statistical methodology challenge
  • Formal appeals: redetermination, QIC reconsideration, ALJ hearing
  • Parallel FCA and criminal coordination if the contractor refers
Conference room
Where defense is built
01
Fix the dates and the scope

We establish exactly what has been suspended, on what claims, from what date, and when notice was given, because the rebuttal period runs from that. In parallel we confirm whether a Medicaid suspension has been or is about to be imposed on the same facts.

02
Work out what the allegation actually is

The notice is usually thin. We reconstruct the likely basis from billing data, recent audit history, records requests, and any contractor contact, so the rebuttal answers the real allegation rather than a guess at it.

03
File a rebuttal that is evidence, not argument

The rebuttal is short and it is read by people who see many of them. Claim-level documentation, corrected data where there is a genuine error, and completed remediation carry the weight. Assertions of good character do not.

04
Manage the parallel exposure and the cash position

Where OIG or DOJ involvement is likely, the rebuttal is written so it does not create problems in that forum. At the same time we work the practical position: what may still be billed, what may be appealed separately, and where good cause arguments exist on the Medicaid side.

Health Law Alliance attorneys
The HLA Bench

The HLA Medicare Payment Suspension Team

Health Law Alliance handles the response and any parallel appeal, licensing matter or referral as one coordinated matter, so the strategy does not change hands as the matter moves between forums.

The bench includes a former Assistant U.S. Attorney nominated for the DOJ Director's Award, senior healthcare-company counsel, and attorney-providers with experience across healthcare audits and investigations.

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5,000+Matters handled
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Where Our Attorneys Served Before Health Law Alliance

Department of Justice Former Assistant U.S. Attorney
Drug Enforcement Administration Former DEA Diversion Control Program Manager
OptumRx Former senior executive experience
McKesson Former healthcare-industry experience

Agency and company marks identify former professional experience of individual HLA team members. They do not imply affiliation, endorsement, or a client relationship.

Common Questions
Frequently Asked Questions

Seven questions that come up on almost every first call. The answers below are general; specific situations require privileged consultation.

What is a Medicare payment suspension?
It is a decision by CMS to withhold payment on Medicare claims, in whole or in part, most commonly under 42 C.F.R. § 405.371 where there is a credible allegation of fraud. It is interim and does not decide liability, but payment stops while it is in place.
Can I appeal a payment suspension?
Not through the ordinary Medicare appeals process. A suspension is not an initial determination, so redetermination and reconsideration do not apply to the suspension itself. The mechanism is a rebuttal statement, and separately the underlying claim denials or overpayment determinations may carry their own appeal rights.
How long can the suspension last?
The initial period is 180 days, extendable in defined circumstances, including where law enforcement asks for more time. In practice a suspension can persist well beyond a year where an investigation is active, which is why the early response matters so much.
What is a credible allegation of fraud?
It is an allegation from any source with indicia of reliability, which can include data analytics, complaints, or claims review. The threshold is deliberately low, and nothing has to be proved before payments are suspended.
Will my Medicaid payments be suspended too?
Frequently. Under 42 C.F.R. § 455.23 a state agency must suspend on a credible allegation of fraud unless it finds good cause not to. Those good cause exceptions are worth arguing separately, because the Medicaid analysis is not identical to the Medicare one.
What should I do first?
Establish the notice date and the exact scope, preserve the billing data and documentation for the claims at issue, and get counsel engaged before filing anything. The rebuttal is usually the only early opportunity to move the position and it should not be spent on a first draft written under pressure.
Speak with Medicare Payment Suspension Counsel Today

Get counsel on the rebuttal before the window closes

Send us the suspension notice and the recent remittance advices. We will tell you what the likely allegation is, what the rebuttal should contain, and whether a Medicaid suspension is coming on the same facts. Free, confidential, no retainer.

"The contractor sent a document request covering three years of claims. Health Law Alliance was on the call within two hours, walked us through the production framework, and ran a privileged pre-production review of every document before it left the practice. When the findings came back with extrapolation, the methodology challenge at the redetermination level reduced the recoupment demand to a small fraction of the original number. The procedural record built at the redetermination stage carried through the QIC reconsideration." - Practice administrator, multi-location practice (anonymized client, 2024)
Medicare payments suspended? The rebuttal window is already running.