Jack Wenik

Jack Wenik


Jack Wenik, Co-Chair of the Sills Cummis & Gross Health Care Government Investigations Practice Group, has significant experience in health care litigation and regulatory matters.  While an Assistant U.S. Attorney in the Eastern District of Pennsylvania, Mr. Wenik was a member of the Insurance Fraud Task Force which investigated alleged frauds perpetrated by and against health care practitioners and hospitals.  At Sills Cummis & Gross, Mr. Wenik represents various health care clients, including health care systems and hospitals, long-term care facilities, physicians, pharmacies and other health care providers, in various regulatory matters and litigation, including state and federal investigations, Medicare appeals, Board of Medical Examiners inquiries and other proceedings.  He also has significant experience representing dietary supplement companies in FTC and FDA litigation and proceedings.

Mr. Wenik also has extensive federal and state bench and jury trial experience in a variety of other industries, representing both corporations and individuals in complex civil litigation and grand jury investigations. 

Prior to joining the Firm, Mr. Wenik was an Assistant U.S. Attorney for both the Eastern Districts of New York and Pennsylvania. While an Assistant U.S. Attorney, Mr. Wenik was responsible for the investigation and prosecution of complex fraud and business crimes.  He has conducted grand jury investigations of fraud by, and embezzlement from, Fortune 500 corporations and other large business enterprises.

He is Co-Chair of the Firm’s Professional Relations Committee and Chair of the Firm’s Litigation Training Committee.

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Court Admissions

U.S. District Court, District of New Jersey, 1987
U.S. District Court, Eastern District of New York, 1986
U.S. District Court, Southern District of New York, 1994
U.S. District Court, Northern District of New York, 1996
U.S. District Court, District of Columbia, 2013
U.S. Court of Appeals, Second Circuit, 1990
U.S. Court of Appeals, Third Circuit, 1999



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Rankings & Recognition

Chambers USA®* 2013, 2014, New Jersey Healthcare
The Best Lawyers in America®* 2010-2015, Commercial Litigation and Litigation - Regulatory Enforcement 
Martindale-Hubbell®* AV rating

* See Award Methodology


Member, American College of Healthcare Executives
Member, Health Care Compliance Association
Member, American Health Lawyers Association
-— Co-Chair, Fraud and Abuse Practice Group, Enforcement Committee
Member, New Jersey State Bar Association
Member & Programs Committee, Health and Hospital Law Section
—Member, Class Actions Committee
Member, American Bar Association
Member, Section on Health Law
— Member, Section on Litigation
Member, Section on Criminal Justice
Co-Chair, Health Care Fraud Subcommittee, White Collar Crime Committee, Section on Criminal Justice
Past Co-Chair, Mid-Atlantic Regional Committee, White Collar Crime Committee, Section on Criminal Justice
Committee Liaison to the U.S. Attorney’s Office for the District of New Jersey, American Bar Association, White Collar Crime, Mid-Atlantic Regional Committee
Member, National Association of Criminal Defense Lawyers
Member, New York Council of Defense Lawyers
Member, Federal Bar Council
Member, Defense Research Institute
Member, Association of the Federal Bar of the State of New Jersey
Member, Essex County Bar Association
Member, Eastern District Association
Past President, Yale Law School Association of New Jersey
Adjunct Professor, Legal Research and Writing, Seton Hall Law School