Dennis A. Wichern, Retired DEA Special Agent in Charge Expert Witness

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Specialties & Experience of this Expert Witness

General Specialties:

Pain Management - Medicine and Pharmacist

Keywords/Search Terms:

DEA, DEA Expert, DEA Consultant, DEA Compliance Consultant, DEA Compliance Expert, DEA Red Flags Expert, DEA OTP Expert, DEA Pharmacy, DEA Pharmacy Consultant, DEA Pharmacy Compliance, DEA ASC Compliance Consultant, DEA Researcher Compliance, DEA Ketamine Compliance Consultant, DEA Recordkeeping


Bachelor of Science in Business Administration, Southeast Missouri University; Masters in Business Administration, Webster University

Years in Practice:


Number of Times Deposed/Testified in Last 4 Yrs:


Additional Information

Dennis Wichern is a partner in Prescription Drug Consulting LLC, where he focuses his efforts on DEA compliance services, risk mitigation initiatives and the development of corrective action plans to protect healthcare organizations, ASC’s, pharmacies and providers nationwide. His experience includes 30 years of public service as a DEA Special Agent retiring in 2018 as the Special Agent in Charge of the Chicago Field Division where he directed all criminal enforcement and diversion control operations in the states of Illinois, Indiana, Wisconsin, Minnesota and North Dakota with a team of approximately 550 employees. Dennis was the first to develop DEA compliance services and training relating to pain and prescription opioids, SAMHSA MAT and OTP’s regulations, pharmacy and ASC operations, and drug researcher protocols. Dennis is a recognized expert on the dangers of heroin and the prescription drug epidemic and routinely speaks to healthcare organizations, ASC’s, pharmacies and providers to identify methods to better safeguard their practices and reduce the professional and operational risks emanating from these threats. Dennis has been a guest lecturer on medical prescriber safeguards to medical students, residents, prescribers and medical staff specialists at Harvard Medical School, Boston, MA; University of California, Los Angeles, CA; Northwestern University Feinberg School of Medicine, Chicago, IL; Illinois State Medical Society, Illinois Surgical Quality Improvement Collaborative , Chicago, IL; Indiana University School of Medicine, Indianapolis, IN; and multiple hospital organizations across the nation. Dennis has also lectured with the American Bar Association Health Law Section; the American Health Lawyers Association; Indiana University McKinney Law School, Southern Illinois Law School, the Health Care Compliance Association, the Ambulatory Surgery Center Association, and at the DEA Training Center in Quantico, VA.