William H. Fedullo is an Associate in the Firm’s Philadelphia office, practicing primarily in the Whistleblower, Qui Tam & False Claims Act group. Mr. Fedullo focuses his practice on Medicare and Medicaid fraud, investigating and litigating complex claims against health systems, pharmacy benefits managers, hospitals, and other medical providers. In addition to healthcare fraud, Mr. Fedullo has experience representing whistleblowers in a variety of contexts, including securities fraud, tax fraud, grant fraud, and defense contractor fraud. Mr. Fedullo also works with the Firm’s Antitrust group in litigating class actions against pharmaceutical manufacturers. In 2023, he was named a “Rising Star of the Plaintiffs’ Bar” by the National Law Journal’s Elite Trial Lawyers awards program.

Mr. Fedullo was a core member of the Firm’s tight-knit litigation team in United States ex rel. Zissa v. Santa Barbara County Alcohol, Drug and Mental Health Services, No. 2:14-cv-06891 (C.D. Cal.), which secured a $28 million settlement against a California county mental health system for alleged systemic Medicaid fraud and unlawful retaliation against a whistleblower.

Prior to joining the Firm, Mr. Fedullo was a commercial litigation associate at a large full-service Philadelphia law firm. His practice there focused on protecting small businesses that had been the victims of usurious “merchant cash advance” lending practices.

In law school, Mr. Fedullo was an executive editor of the Penn Law Journal of Constitutional Law. He was the recipient of the 2019 Penn Law Fred G. Leebron Memorial Prize for Best Paper in Constitutional Law for his paper “Original Public Meaning Originalism and Women Presidents.” He received honors from both the Philadelphia Bar Association and Penn Law for his extensive involvement in pro bono activities.

Mr. Fedullo is admitted to practice law in the state courts of the Commonwealth of Pennsylvania as well as the United States District Court for the Eastern District of Pennsylvania.

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  • Member – Pennsylvania
  • Admitted – Eastern District of Pennsylvania

Honors & Awards

  • 2023 Rising Star of the Plaintiffs’ Bar – The National Law Journal Elite Trial Lawyers Awards