Poserina represents whistleblowers in qui tam cases brought throughout the United States under the federal and state False Claims Act statutes against recipients of government funds.
A retired registered nurse, Poserina focuses predominantly on representing whistleblowers in health care fraud, including Medicare/Medicaid and nursing home fraud.
She also has experience in qui tams related to other governmental programs, including the Department of Defense, Housing and Urban Development, Food Stamp/Department of Agriculture, Small Business Administration and Department of Education fraud.
Prior to joining Cohen Milstein, Poserina was of counsel at a False Claims Act and employment litigation firm in New Jersey and Pennsylvania and was the sole proprietor of her own firm, focusing on False Claims Act and employment litigation.
Poserina argues cases before the U.S. Court of Appeals for the Third Circuit, and successfully briefed a case to the U.S. Supreme Court.
Poserina’s career successes include representing the whistleblowers in U.S. ex rel. Druding v. Care Alternatives, a precedent-setting case involving Medicare hospice care, and in U.S. ex rel. Dunleavy v. The County of Delaware, a case where the Supreme Court ruled on the issue of who can be a proper defendant under the False Claims Act.
Poserina also acted as amici curiae for Taxpayers Against Fraud, a nonprofit whistleblowers organization headquartered in Washington, D.C.
She is also a member of Taxpayers Against Fraud, which is dedicated to combating fraud against the federal government through the promotion and use of the Federal False Claims Act and its qui tam provisions, and a member of the National Employment Lawyers Association and its local chapters.
Poserina received her Juris Doctor from Temple University Beasley School of Law.
Prior to pursuing a career in law, Poserina worked as a registered nurse in intensive care and cardiac surgical intensive care units throughout the United States.
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