U.S. DEPARTMENT OF JUSTICE A1 FINANCIAL CRIME HIGH RISK Published 9 Oct 2026 at 12:00 UTC, affecting US

DOJ: Maryland Man Facing Federal Indictment for Role in COVID-19 Healthcare Fraud Scheme Totaling More Than $100M

DOJ indicted Marc Aaron Potash for a COVID-19 healthcare fraud scheme involving more than $100 million in false claims.

Read the original notice ↗ All US items

In short

  • Potash and co-conspirators used fraudulent documents to obtain a CLIA certification for Tiero, LLC and submitted false claims to insurers.
  • The scheme resulted in over $50 million in insurance payments to Tiero for at-home, self-administered COVID-19 tests.

What happened

A Maryland man, Marc Aaron Potash, was indicted by a federal grand jury for conspiracy to commit healthcare fraud and seven counts of healthcare fraud, as well as five counts of conducting transactions in criminally derived proceeds. The charges relate to submitting false claims to Medicare, Medicaid, FEHBP, and other insurers for at-home COVID-19 tests.

Potash and his co-conspirators used fraudulent documents to obtain a CLIA certification for Tiero, LLC, then submitted claims with false dates, places, and providers. The scheme led to more than $100 million in false claims and over $50 million in insurance payments to Tiero.

FROM THE NOTICE
In total, Potash and his co-conspirators caused the submission of more than $100 million in false and fraudulent healthcare claims, resulting in more than $50 million in insurance payments to Tiero.
U.S. Department of Justice, justice.gov

In numbers

  • $100 million false and fraudulent healthcare claims submitted
  • $50 million insurance payments to Tiero
  • $4 million real property purchased in Beallsville, Maryland

Named in this item

1 entity
STATUS NAME ISO PROGRAM IDENTIFIER
Marc Aaron Potash
Person, accused
Screen this name
US — —

What compliance teams should check

  • Review claims submitted by Tiero, LLC for at-home COVID-19 tests for false dates, places, and providers.
  • Verify CLIA certifications and supporting documents for Maryland-based labs, especially those obtained via emails, letters, and paperwork to MDH.
  • Screen insurance payments exceeding $50 million to single entities for potential fraud linked to self-administered COVID-19 tests.

Why it matters

This case highlights the vulnerability of healthcare benefit programs to large-scale fraud schemes exploiting pandemic-related testing. Compliance officers must scrutinize claims for at-home COVID-19 tests, verify laboratory certifications, and monitor unusually high insurance payments to single entities. The indictment demonstrates the importance of cross-agency collaboration and the need for robust controls to detect and prevent fraudulent claims, especially those involving false documentation and misrepresentation of services. Enhanced vigilance is required to protect insurers and federal programs from similar schemes.

FOR COMPLIANCE TEAMS

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Each item is classified by category, pinned to the jurisdictions it affects and scored from 0 to 10. The score starts from a model assessment of how serious the item is, then adds points for the kind of event, what it names and the source behind it. Reliability grades run from A1 (the regulator’s own notice) to C3 (a single secondary source).

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