Gregory A. Mason

GREGORY A. MASON is senior counsel in the Philadelphia Office of Pietragallo Gordon Alfano Bosick & Raspanti, LLP where he’s a member in the Government Enforcement, Compliance, & White Collar Litigation and the Qui Tam & False Claims Act Practice Groups.  His practice focuses on representing qui tam plaintiffs and defendants in False Claims Act cases, defending individuals and entities under criminal and civil investigation, litigating all aspects of fraud cases and other complex matters, and providing counsel and strategic thinking to individuals and entities in need of risk mitigation and compliance in the face of government enforcement efforts.

During his ten years as a trial attorney in the United States Department of Justice (Civil Division, Fraud Section), Mr. Mason successfully led dozens of investigations and litigations and helped to recover over $100 million in settlements and resolutions of cases brought under the False Claims Act. At the Department of Justice, he prosecuted a wide variety of allegations of fraud in the healthcare and procurement contexts, including:

  • Cyclist Lance Armstrong and his former professional cycling team for using performance-enhancing drugs in violation of the team’s sponsorship agreement with the United States Postal Service;
  • Health insurance companies that allegedly retained Medicare Advantage (Medicare Part C) risk adjustment payments that were improperly inflated by inaccurate diagnostic data submitted to the Centers for Medicare & Medicaid Services (CMS);
  • Home health providers that allegedly billed the Medicare program for medically unnecessary therapy;
  • Clinical laboratories that allegedly billed federal healthcare programs for laboratory tests performed with unsafe and unreliable handling of blood and urine specimens;
  • A biomedical company that allegedly billed inflated prices for skin grafts that it sold to the Department of Veterans Affairs;
  • Medical device companies and distributors for allegedly fraudulently billing Medicare for non-approved medical devices; and
  • A software company that allegedly billed inflated prices for computer software that it sold to government agencies.

Prior to his time at the Department of Justice, Mr. Mason worked in Washington, D.C. at a large law firm where he litigated cases involving a broad range of legal issues including government investigations, commercial disputes, breach of contract, intellectual property, defamation, and professional malpractice.

Mr. Mason received his B.A. in Physics from Lewis & Clark College, and he received his J.D., with honors, from The George Washington University Law School, where he was a member of the Mock Trial Board and Public Contract Law Journal.

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