Qui Tam Whistleblower Health Care Cases

A qui tam whistleblower lawsuit is a case brought under the False Claims Act by a private individual — called a “relator,” often a current or former employee — on behalf of the government, alleging that a provider submitted false claims for federal health care funds. These suits are filed under seal, so the provider usually has no idea one exists until months or even years later, after the government has quietly investigated. Because a successful relator can receive between 15 and 30 percent of the recovery, qui tam suits drive a large share of all federal health care fraud cases — and a sealed civil suit very often conceals a parallel criminal investigation into the same conduct.

This post walks through how qui tam works, the relator’s financial incentive, what government intervention means, why a civil whistleblower suit so often signals criminal exposure, and the most effective ways providers defend against these cases.

What a Qui Tam Lawsuit Actually Is

“Qui tam” is shorthand for an old legal doctrine that allows a private citizen to sue on behalf of the government and share in any recovery. Under the False Claims Act, a relator who knows of fraud against a federal program can file suit, and if money is recovered, keep a percentage of it. The modern False Claims Act, strengthened by major amendments in 1986, has recovered tens of billions of dollars since then, and health care is by far the largest single source of those recoveries.

That combination — a powerful financial incentive and a vast, complex federal payment system — is what makes qui tam the engine behind so much health care fraud enforcement. Relators in health care cases are usually insiders — billers, nurses, office managers, compliance staff, or sometimes competitors — who allege the kinds of conduct covered throughout this site: billing for services not rendered, upcoding and unbundling, medically unnecessary services, and kickback arrangements. Because these relators come from inside the organization, their complaints often arrive with documents, emails, and specific examples already attached, which is part of what makes them so potent.

How a Qui Tam Case Unfolds

The process is unusual, and it unfolds in a specific sequence that every provider should understand:

• Filing under seal. The relator files the complaint in federal court under seal — meaning it is secret. The defendant is not served and does not know the case exists.
• The seal period. The complaint stays sealed (initially 60 days, but routinely extended in six-month increments, often for years) while the Department of Justice investigates the allegations, frequently using OIG subpoenas and civil investigative demands.
• The intervention decision. The government decides whether to “intervene” and take over the case, or to decline and let the relator proceed alone.
• Unsealing and litigation. Once the seal lifts, the defendant finally learns of the case, and litigation proceeds — led by the Department of Justice if it intervened, or by the relator’s own attorneys if it declined.

Because the investigation happens during the secret seal period, many providers first sense that something is wrong when a subpoena or civil investigative demand arrives, seemingly out of nowhere. We describe that broader process in our post on what happens in an OIG health care investigation. The key insight is that by the time a qui tam case becomes visible, the government has often already done substantial work behind the scenes.

What a Whistleblower Stands to Recover

The relator’s share depends on whether the government intervenes. If it does, the relator generally receives 15 to 25 percent of the recovery, depending on how much they contributed to the case. If the government declines and the relator pursues the case alone and succeeds, the share rises to up to 30 percent. Because False Claims Act recoveries carry treble damages plus per-claim penalties, the underlying numbers — and therefore the relator’s cut — can be very large; relator shares in major health care cases have reached into the tens of millions of dollars.

That financial incentive is precisely why so many health care fraud matters begin with an insider complaint rather than a government audit, and why disgruntled former employees, in particular, are a common source of these suits. It also means a relator’s motives are fair game in defending the case — some are driven as much by a workplace grievance or the prospect of a large payout as by genuine concern about fraud.

Why a Qui Tam Suit Often Signals Criminal Exposure

This is the point providers most often miss, and it is the most important one. While the False Claims Act is a civil statute, the Department of Justice reviews the very same facts during the seal period for potential criminal charges under statutes like 18 USC 1347 health care fraud. A qui tam case can therefore quietly become — or run alongside — a criminal investigation, with the government’s civil and criminal attorneys coordinating behind the scenes.

Responding to the civil suit without accounting for that criminal risk is one of the most dangerous mistakes a defendant can make. A statement or settlement position that seems reasonable in a purely civil case can be damaging if a criminal charge follows, because admissions made on the civil side do not disappear when the criminal side opens. This is why qui tam defense has to be approached with both tracks in mind from the very first day, rather than treated as an ordinary civil lawsuit.

The Most Effective Defenses Against a Qui Tam Case

Effective defense begins, when possible, during the seal period — and continues through the merits and any parallel criminal exposure. The most effective strategies include:

• Engaging during the seal period. If a provider learns a qui tam suit may have been filed — sometimes signaled by a subpoena or an employee’s sudden departure and lawyering-up — counsel can engage strategically with the government’s investigation, cooperating in a controlled way to discourage intervention and shape the narrative before positions harden. Persuading the Department of Justice to decline intervention significantly weakens many cases.
• Challenging falsity. Establishing that the claims were not actually false — that the billing was accurate or supported — defeats the core of the case.
• The materiality defense. Showing that any alleged falsehood was not “material” to the government’s decision to pay can defeat liability, since a technical violation the government would have paid anyway may not be actionable.
• The “knowing” standard. Demonstrating that the provider acted reasonably — that a billing interpretation reflected a defensible reading of ambiguous rules rather than knowledge or reckless disregard — undercuts the False Claims Act’s mental-state requirement.
• Public-disclosure and original-source bars. Where a relator’s allegations are based on information already publicly disclosed, or where the relator is not the “original source,” procedural bars can defeat the suit entirely.
• Coordinating civil and criminal strategy. Managing the civil case and any parallel criminal exposure together, as a single strategy, so that a move on one front does not damage the other.

No single move wins these cases; it is the disciplined combination, started early, that produces the best outcomes — whether that is a declination, a dismissal, or a settlement that resolves both the civil and the criminal exposure at once. Providers are often surprised to learn that a former employee’s lawsuit does not automatically mean liability — relators are frequently wrong about the law, the facts, or both.

People Also Ask: Common Questions About Qui Tam Cases

What is a qui tam lawsuit?

A qui tam lawsuit is a case brought under the False Claims Act by a private individual — a relator — on behalf of the government, alleging that someone submitted false claims for federal funds. In health care, relators are usually current or former employees. The case is filed under seal while the Department of Justice investigates and decides whether to take it over, and a successful relator shares in the recovery.

How much does a whistleblower get in a qui tam case?

If the government intervenes and takes over the case, the relator generally receives 15 to 25 percent of the recovery. If the government declines and the relator litigates the case alone and wins, the share rises to up to 30 percent. Because recoveries carry treble damages and per-claim penalties, those percentages can translate into very large sums — which is exactly why so many cases begin with an insider complaint.

What happens when the government intervenes?

Intervention means the Department of Justice takes over primary responsibility for litigating the case after investigating the relator’s allegations during the seal period. It generally signals that the government believes the case has merit, and intervened cases tend to be more serious for the defendant. A declined case is not necessarily over, though — the relator can still proceed independently, although those cases are often harder for the relator to win.

How do I defend against a qui tam lawsuit?

Defending a qui tam case well means doing several things at once: identifying as early as possible whether a sealed case or investigation exists; managing document demands carefully so nothing is destroyed and privileged material is protected; deciding, with counsel, whether to engage with the government during the seal period to argue against intervention; building the substantive defense around falsity, materiality, and the knowing standard; raising procedural bars such as public disclosure where they apply; and coordinating the civil defense with the ever-present possibility of a criminal case.

Why does a qui tam case often mean a criminal investigation too?

Because the Department of Justice reviews the same facts during the seal period for potential criminal charges under statutes like 18 USC 1347, a civil qui tam suit frequently runs alongside — or quietly becomes — a criminal investigation. The government’s civil and criminal attorneys can coordinate, and statements or settlement positions taken on the civil side can affect the criminal side. That overlap is why these cases must be defended with both tracks in mind from day one.

Key Takeaways

• A qui tam suit is a whistleblower’s False Claims Act case, filed under seal on the government’s behalf.
• Relators recover 15-25% if the government intervenes, and up to 30% if it declines and they proceed alone.
• The secret seal period is when the government investigates — a subpoena is often the first sign a provider sees.
• A civil qui tam case frequently masks a parallel criminal investigation under 18 USC 1347.
• Falsity, materiality, the “knowing” standard, and public-disclosure bars are core defenses.
• The disciplined combination of defenses, started early and coordinated across civil and criminal tracks, produces the best outcomes.

Contact a Qui Tam Defense Attorney

If you have been served with an unsealed qui tam complaint, received a subpoena, or learned a whistleblower may have filed against you, the civil case is only part of the picture — and the criminal risk must be managed from day one. Attorney Chris Nalchadjian of KN Law Firm, APLC defends providers in qui tam and health care fraud matters in the U.S. District Court for the Central District of California and before the Ninth Circuit, at every stage from the sealed investigation through trial and appeal. To learn more about how the firm handles these matters, visit our Federal Health Care Fraud Defense hub. To schedule a free, confidential consultation, call (888) 950-0011 — available 24/7 in English and Spanish.