John P. D’Ambrosio joined Cowdery & Murphy, LLC in 2012. Mr. D’Ambrosio is engaged in the Firm’s commercial litigation, white collar, and compliance practices, including the representation of clients in complex enforcement matters involving multiple state and federal agencies. In 2016, Mr. D’Ambrosio helped obtain an acquittal, after a 5-week jury trial in federal court, for an individual who had been indicted on 17 felony counts, including conspiracy, wire fraud, bank fraud, and money laundering.
Mr. D’Ambrosio also practices in the area of health care law. He advises providers—including private physician and dental practices, individual practitioners, and home health agencies—in matters involving the False Claims Act, allegations of fraud or abuse, potential exclusion from participation in federal health care programs, compliance issues, and general business disputes.
Mr. D’Ambrosio was formerly an associate at Cahill Gordon & Reindel LLP in New York City. There, Mr. D’Ambrosio’s practice focused on complex commercial, professional liability, and First Amendment litigation, and he participated in numerous internal corporate and governmental investigations. Before joining Cahill, Mr. D’Ambrosio worked at D’Ambrosio & D’Ambrosio, P.C., in Irvington, New York, where he represented insurance companies in a variety of civil matters.
Mr. D’Ambrosio received his J.D., cum laude, in 2009 from St. John’s University School of Law, where he was Senior Articles Editor of the St. John’s Law Review and the Journal of Catholic Legal Studies. He received the CALI Awards for Excellence in International Banking Law and Alternate Dispute Resolution. In 2006, Mr. D’Ambrosio graduated Phi Beta Kappa, magna cum laude from the College of the Holy Cross with an A.B. in Philosophy. While at Holy Cross, he was Articles Editor of the Holy Cross Journal of Law and Public Policy and a member of Phi Sigma Tau (the National Philosophy Honor Society).
Mr. D’Ambrosio is the author of “Department of Justice Intervenes in Qui Tam Action Against UnitedHealth Group,” an alert issued in 2017 by the American Health Lawyers Association, Fraud and Abuse Practice Group. He also co-authored “Tobacco Suit Challenges Graphic Warning Mandate,” an article published in 2011 by the American Bar Association, First Amendment & Media Litigation Committee.