Daniel M. Purdom

Practice Focus
Daniel Purdom has extensive trial and investigative experience concerning white-collar federal crimes, such as health care fraud, complex financial fraud, tax fraud, insurance fraud, SEC fraud, official and police corruption, RICO, organized crime, bank embezzlement and bank fraud.

In addition to his white-collar criminal practice, Mr. Purdom has extensive trial experience involving health care fraud and abuse, Illinois Attorney Registration and Disciplinary Committee (ARDC) defense, false claim/qui tam actions, commercial litigation, employment and class action lawsuits.

Mr. Purdom has represented numerous medical providers who have been involved in federal, state and regulatory investigations of alleged health care fraud and related problems. He also handles internal investigations of employee wrongdoing involving embezzlement or internal fraud, and has helped various clients implement and monitor corporate compliance programs. Mr. Purdom has also been involved in a number of false claim/qui tam actions nationally.

In 1986, as an Assistant U.S. Attorney in the Northern District of Illinois, Mr. Purdom prosecuted what was then the largest health care fraud in the United States. He secured the dismantling of a $20 million Medicaid fraud scheme, and the conviction of more than 40 individuals, including doctors, pharmacists and others associated with the scheme. Mr. Purdom coordinated the efforts of the U.S. Postal Inspectors, the Illinois Department of Public Aid, the Illinois Department of Registration and Education, the Illinois State Police and the Internal Revenue Service, and gained valuable working knowledge of the health care billing system.

Mr. Purdom has been appointed a Special Inspector General by the State of Illinois Executive Ethics Commission to conduct several high profile investigations.
Representative Cases
Mr. Purdom has continued his significant record of trial success across a wide spectrum of commercial litigation issues. Among his representative civil trials are:
  • McGuire v. GTE: Mr. Purdom’s client was found not guilty in this Title VI and age discrimination lawsuit.
  • Psharis v. CentralDuPageHospital: Mr. Purdom’s client was found not guilty in this medical malpractice death case.
  • ServiceMaster v. Navistar: Mr. Purdom secured a $1 million verdict for his client in this commercial contract dispute.
  • McKinneyv. Coca Cola: Mr. Purdom’s client was found not guilty in this product liability trial.
  • U.S.ex rel. Perales v. St. Margaret's. False Claims Act where Relator was seeking $89 million. Case dismissed based on 10 summary judgment motions.  
  • U.S.ex rel. Fields v. ShermanHealth Systems: False Claims Act case with relator seeking $17 million. Case dismissed on our motion.
  • JBS v. Villageof Glen Ellyn: Mr. Purdom secured a permanent injunction for his client in this commercial land dispute.
  • Harmon v. Streams: Mr. Purdom’s client was found not guilty arising out of alleged structural building defect.
  • In re: Conarty: Mr. Purdom secured a finding in favor of his client in this Illinois Attorney Registration and Disciplinary Commission (ARDC) trial.
  • IndianapolisLife v. Dominick's: Mr. Purdom represented his client in this multimillion-dollar lease, mortgage and collateral document dispute.
Professional Background
Mr. Purdom is partner-in-charge of Hinshaw & Culbertson LLP’s Lisle office. He heads the firm’s White Collar Criminal Practice Group, its Health Care Fraud and Abuse Specialty Group and was formerly a member of the Executive Committee.

Mr. Purdom is a member of the Leading Lawyers Network, where he was selected by his peers as a Leading Lawyer in both White Collar Criminal Defense and Commercial Litigation. In addition, he holds the AV® Peer Review Rating from Martindale-Hubbell, its highest rating for ethics and legal ability.

Since 2005, Mr. Purdom has been named annually to the Super Lawyers list in the area of Criminal Defense: White Collar by Illinois Super Lawyers magazine.

He joined Hinshaw in July 1986. Previously, from 1980 to 1986, he served as an Assistant United States Attorney for the Northern District of Illinois (Chicago). During this period he tried more than 35 jury trials and briefed and argued more than 15 appeals before the Seventh Circuit Court of Appeals.

From 1978 to 1980, Mr. Purdom was a law clerk for Chief U.S. District Court Judge James L. Foreman of the Southern District of Illinois.

Mr. Purdom was the recipient of several awards from the United States Department of Justice, including the Chief Postal Inspector’s Special Award, which is presented each year to one prosecutor in the nation. He is also the recipient of the Department of Justice’s Director’s Award and also their Special Commendation Award.

Mr. Purdom is a member of the DuPage County Bar Association and the American Bar Association.
Publications and Presentations
Mr. Purdom has spoken extensively on issues related to health care fraud, white-collar crime, attorney discipline, corporate compliance and internal corporate investigations. He was an instructor in the area of health care fraud at the FBI Academy in Quantico, Virginia, and has also been an instructor and lecturer for the National Institute of Trial Advocacy at Northwestern and Loyola Universities, the Department of Justice Advocacy Institute and the DuPage Bar Association Trial Advocacy Program.

His presentations include:
  • “Self-Disclosure,” Hinshaw’s 2009 Health Care Conference, Lisle, Illinois, November 2009.
  • “Self-Reporting,” Hinshaw’s 2008 Health Care Conference, Lisle, Illinois, November 2008.
  • “The False Claims Act,” DuPage County Bar Association, Health Care Law Committee meeting, Wheaton, Illinois, February 2008.
  • “Conflicts in Representing Buyers/Sellers,” DuPage County Bar Association Real Estate Seminar, Wheaton, Illinois, April 2007.
  • “Compliance and Self-Disclosure,” Hinshaw’s 2006 Health Care Conference, “Current Issues Affecting Health System and Hospital Boards and Management,” Chicago, Illinois, September 2006.
  • “The False Claims Act and Other Whistleblower Statutes Which May Put You Out of Business,” Illinois Health Care Association, 56th Annual Convention, Springfield, Illinois, September 2006.
  • “Responding to Subpoenas and Search Warrants in the Post-Enron Days,” Hinshaw’s “2006 Insurance Services Symposium: Creative Management of Claims and Coverage Disputes in a High-Risk Environment,” Chicago, Illinois, February 2006.
  • Faculty Presenter, American Bar Association’s Health Care Fraud & Abuse seminar in San Francisco in May 2002 and in Las Vegas in 2003.
  • “Health Care Fraud,” Health Care Fraud Conference, Princeton University, Princeton, New Jersey, 1987.

Mr. Purdom has written numerous articles, treatises and other works on issues in his areas of practice focus. Examples of his published works include:
Community Service Activities
Mr. Purdom is a former member of the Board of Directors of the Xilin Association, a non-profit organization in Naperville, Illinois committed to serving the Asian population’s needs in the greater Chicagoland area.

He was a coach for Glen Ellyn baseball, and multiple sports programs of the Glen Ellyn Park District, and was a long- time board member and past president of the Glenbard West High School Booster organization and a board member of the Glenbard West Youth Center organization.