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Experts in DEA Compliance, Diversion,

Red Flags, Recordkeeping, Security, Audits,

Rx Analysis, & Opioid Risk Mitigation

DEA Compliance Consultants & Experts

DEA Compliance 1 (DC1) is a consulting and risk mitigation organization which focuses solely on DEA compliance.  We are experts in DEA compliance, recordkeeping, security, audits, and opioid risk mitigation. 

​Pioneering compliance risk mitigation services and over 30 years of DEA criminal, civil and administrative enforcement experience separates DC1's abilities and services from its competitors, while enhancing DC1's  capacity to respond rapidly to an ever-changing opioid and regulatory environment.


A leader in the analysis of opioid compliance risk and site-specific services, DC1 continually develops and improves its proprietary processes to provide DEA registrants the confidence and safety to run their organizations daily.


DEA Compliance Consulting Specialties

  • DEA Recordkeeping and Security Compliance

  • DEA Pharmacy Compliance

  • DEA Hospital & Clinic Compliance

  • DEA ASC Compliance

  • DEA OTP Compliance

  • DEA Ketamine Therapy Compliance

  • DEA Mobile Anesthesia Compliance

  • DEA Veterinarian Compliance

  • Pharmacy Formulary & Filling Analysis

  • Practitioner Prescribing Analysis

  • DEA Opioid Prescribing & Pain Compliance

  • Drug Diversion & Red Flag Prevention 

Dennis Wichern

DEA Special Agent in Charge (Retired)
                Dennis A. Wichern

DC1 is led by managing partner Dennis Wichern, a former DEA Special Agent in Charge (SAC) and 30 year veteran of the Drug Enforcement Administration (DEA) who formerly managed the Chicago Field Division and its 540 employees operating in Illinois, Indiana, Wisconsin, Minnesota, and North Dakota.


SAC Wichern was the first to develop DEA compliance training during the 2000's relating to pain and prescription opioids, practitioners, hospitals and clinics, pharmacies, ASC operations, and MAT regulations.


A recognized expert on the dangers of heroin and the prescription drug epidemic, SAC Wichern routinely speaks to healthcare providers to identify methods to better safeguard their practices and reduce the professional and operational risks emanating from these threats.


Public service has always been important to SAC Wichern and he continues to be a frequent speaker on medical prescriber safeguards and DEA compliance to students, residents, pharmacists and practitioners at universities and hospitals across the country which have including the following:



Harvard Medical School, Cambridge, MA

David Geffen School of Medicine at UCLA, Los Angeles, CA

Indiana University School of Medicine, Indianapolis, IN

Northwestern University Feinberg School of Medicine, Chicago, IL

Illinois State Medical Society

Ambulatory Surgery Center Association


  Healthcare Compliance Association

American Society of Pharmacy Law

Association for Addiction Professionals

American Society for Healthcare Risk Management

Foundations Recovery Network

American Society of Interventional Pain Physicians


   SAC Wichern has also lectured with the American Bar Association Health Law Section, the American Health Lawyers Association, Indiana University Robert H. McKinney School of Law, the DEA Training Academy at Quantico, VA, and with the HCCA.

Testimonials & Ratings

Speaker & Knowledge Ratings - 3.95 out 4.0; 3.86 out of 4.0; and 4.83 out 5.0

M.D. - "Exceptional, fantastic, was great, excellent, great perspective, very informative."

Interventional Pain Doctor - "My hospital hired Mr. Wichern after I had concerns about the increasing number of opioids patients I was taking on.  Mr. Wichern came in and reviewed my office’s procedures, policies, and records, and gave me the peace of mind I needed to continue to treat my chronic pain patients."

M.D. – “Mr. Wichern was one of the best presenters I have encountered in any of your webinars.  Very informative, knew what he was talking about and spoke clearly and was easy to understand.”

​Healthcare Attorney  – “No one knows pain better than SAC Wichern.  His experience and knowledge of administrative, civil, and criminal law enforcement in context with the standard of care involving pain and opioids is unmatched.”

Pharmacist  – “Great review of DEA regulations and thorough process from a DEA agent.  Hugely valuable to have gained his perspective.”

M.D. – “The presentation was outstanding and provided enough examples to understand the importance of prescribing controlled substance medications and following the rules.”

Pharmacist – “My pharmacy had a bad inspection which identified a number of issues.  I hired Dennis and his team and they corrected all of my record keeping and security deficiencies and I have been problem free for over three years.”

ASC Manager – “We had a huge issue with our DEA registration when one of our surgeons retired.  We called Dennis and he walked us through the fix and saved the day!”

ASC Office Director – “Dennis provided the best update on DEA rules and regulations that I have ever experienced.  It was a great presentation and he spoke with authority and knowledge.  It was a very good experience!”

Hospital Risk Manager - "Speaker very knowledgeable about the topic!"


​OTP Owner – “The regulators came in and identified a number of issues during an inspection.  I hired Dennis who responded immediately and helped me correct the issues and my OTP has been issue free ever since.”

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