About Theresa

Trusted health care advisor providing business-aware advice

Theresa DeAngelis provides compliance guidance, fraud and abuse counseling, and representation in connection with government investigations, enforcement actions and litigation. She applies her depth of experience to a wide range of health care clients, including:

  • Pharmaceutical and medical device manufacturers
  • Pharmacy benefit managers (PBM)
  • Retail, specialty, long-term care and other "closed door" pharmacies
  • Wholesale distributors of drugs and medical devices
  • Hospitals
  • Clinical laboratories

Theresa assists her clients in navigating compliance with the Controlled Substances Act and Medicare, Medicaid and state law requirements. She counsels on fraud and abuse issues, including matters arising under the False Claims Act (FCA), the Anti-Kickback Statute, the Stark Law, the Eliminating Kickbacks in Recovery Act (EKRA), and federal and state health care reimbursement.

Before joining Quarles, Theresa represented qui tam relators in litigation under the FCA in health care fraud and retaliation matters, and whistleblowers alleging violations of the federal securities laws, including the Foreign Corrupt Practices Act, under the U.S. Securities and Exchange Commission's whistleblower program.

Theresa leverages this experience in government investigations and FCA litigation to provide holistic counseling to clients at every stage of an enforcement action.  

Experience in Action

  • Provides regulatory compliance counseling to clients across the drug supply chain related to operations and permitting/licensure.
  • Provides fraud and abuse compliance counseling on a variety of issues, including hospital and physician ambulatory surgical center joint ventures, manufacturer grant programs, patient assistance programs and rebate arrangements.
  • Represents clients in government investigations, including DOJ, HHS OIG, CMS and state attorney general investigations.
  • Defends health care facilities and licensed health care professionals against regulatory and licensing board investigations and complaints.

Professional Recognitions

  • Best Lawyers in America® "Ones to Watch" (2024: Health Care Law) 

Professional & Civic Activities

  • Adjunct professor, Health Law, The Pennsylvania State University, Master of Health Administration program (Penn State World Campus, fall 2023)

  • American Health Law Association, member
  • American College of Healthcare Executives, member

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