Medicaid Payment Suspensions Under 42 CFR 455.23

A Medicaid payment suspension under 42 CFR 455.23 freezes every Medicaid payment to a pharmacy or provider before any hearing and before any finding of fraud. The trigger is a credible allegation of fraud: an allegation, from any source, that the state Medicaid agency has reviewed and found to carry indicia of reliability. Once that determination is made and an investigation is pending, the state must suspend payments unless it has good cause not to, or to suspend only in part. For a pharmacy that depends on Medicaid reimbursement to cover payroll and inventory, the suspension can become an existential cash-flow event months before the allegation is ever tested in a hearing.

Credible Allegation of Fraud Triggers Mandatory Suspension

42 CFR 455.2 defines a credible allegation of fraud as an allegation with indicia of reliability, verified by the state from any source, including fraud hotline tips corroborated by further evidence, claims data mining, and patterns identified through provider audits, civil False Claims Act cases, and law enforcement investigations. Once the state Medicaid agency determines an allegation meets that standard, it typically refers the matter for investigation, often to the state's Medicaid Fraud Control Unit (MFCU). At that point, 42 CFR 455.23(a)(1) requires the agency to suspend all Medicaid payments to the provider, a payment hold tied to an open investigation and imposed under a standard well short of what the state would need to prove fraud at trial.

Notice Comes After the Suspension Takes Effect

42 CFR 455.23(a)(2) permits the state to suspend payments before notifying the provider of its intent to do so. Written notice follows within five days of the suspension under 455.23(b)(1)(i), a deadline the state can extend to 90 days when law enforcement requests the delay in writing and renews it. The notice must state the general nature of the allegations, confirm the suspension is temporary, identify the categories of claims affected, and inform the provider of the right to submit written evidence for consideration by the state Medicaid agency under 455.23(b)(2)(v), the provider's first formal opportunity to be heard.

Good Cause Exceptions Can Avoid or Narrow the Suspension

42 CFR 455.23(e) lists the good cause factors that let a state avoid suspension altogether: a law enforcement request to withhold it, a faster alternative remedy that protects Medicaid funds, persuasive written evidence from the provider, beneficiary access concerns where the provider is the sole community physician or sole source of services in a federally designated medically underserved area, law enforcement's decision not to recertify the investigation, or a state finding that suspension is not in the program's best interest. Section 455.23(f) applies the same categories of proof to a partial suspension, including when the allegation is limited to a specific claim type or business location. A suspension is distinct from a recoupment demand: the state withholds future payments rather than demanding repayment of past ones, though a recoupment often follows if the investigation substantiates the allegation.

The written evidence a provider submits under 455.23(b)(2)(v) is often the only chance to be heard before the suspension is tested in an administrative or judicial forum.

The Written Rebuttal Is the Provider's Primary Lever

Because the suspension takes effect without a pre-suspension hearing, the written rebuttal filed in response to the notice carries outsized weight. An effective submission addresses the good cause factors directly: it documents harm to beneficiary access where the provider is a sole community source, it identifies the claim type or location the allegation is actually limited to and argues for a partial suspension under 455.23(f), and it rebuts the factual basis for the allegation itself where the underlying claims data supports a legitimate explanation. States are not required to accept the rebuttal, and suspensions can run for months or years while parallel civil or criminal proceedings continue. A provider pursuing administrative review under 455.23(a)(3), where state law provides for it, should coordinate that process with counsel handling any related state Medicaid audit or MFCU inquiry.

Why Early Legal Counsel Is Critical

It is critical that pharmacies and providers promptly retain experienced healthcare defense counsel upon receiving a Medicaid payment suspension notice or a credible allegation of fraud referral. Early legal intervention can protect the provider's rights, ensure the written evidence submission is filed correctly and within the state's response window, avoid inadvertent admissions to investigators, preserve the good cause and partial-suspension arguments available under 455.23(e) and (f), and allow counsel to communicate with the state Medicaid agency and law enforcement on the provider's behalf. Delaying legal representation can significantly affect the outcome of a matter and expose the provider to unnecessary financial risk.

How Health Law Alliance Can Help

Health Law Alliance represents pharmacies and providers facing Medicaid payment suspensions, from evaluating the good cause and partial-suspension exceptions available under 42 CFR 455.23 to preparing the written evidence submission that gives the state agency its first opportunity to reconsider. If your pharmacy or practice has received a Medicaid payment suspension notice or a credible allegation of fraud referral, contact us for a free, confidential consultation.