How Our Former Federal Agents Help Protect Businesses Facing with Allegations of Fraud and Misconduct

Oberheiden P.C. Is a Team of Former Federal Agents (FBI, IRS, DEA, OIG, and DOD) and Federal Attorneys Who Provide Compliance and Defense Representation to Companies Nationwide.

Nick is extremely professional and knows what he is doing. He is also very kind as a person (unless he is in court!) I would recommend him to just about anyone if they need an amazing lawyer that is top notch and would frankly be scary to face in the court room. He will always do a great job representing his clients. Thank you very more
Anna Pham
Anna P.
Nick is the absolute top expert in any federal case
Jeff Crilley
Jeff C.
Smart. Smarter. Nick. As a healthcare executive, I once ran into a litigation issue. I hired Nick and, literally, before I knew it the case was resolved in my favor. Nick has an incredible presence and every lawyer in the room knows that Nick will do exactly what he says. It was a mesmerizing experience to see Nick in action! Very calm and determined, Nick is the absolute top more
Whitney Bryant Milam
Whitney Bryant M.
Nick has been a friend and trusted advisor for almost 10 years. As anyone just looking at his bio can tell, Nick is an outstanding attorney in highest demand across the country. All healthcare providers should hire attorney Nick Oberheiden!! You will not be disappointed.
Pamela mulrooney
Pamela M.
Dr. Oberheiden has served as council and represented our company on several occasions, even during depositions, contract reviews and providing invaluable advice on multiple occasions that transpired into multilevel success in our business. He and his teams knowledge of both local, state and federal statues, accompanied by their areas of expertise law regarding best asset protection, estate planning and wealth management solutions have provided both professional and personal growth for my companies, safeguarding them and protection my family’s name and legacy. I would recommend this firm and Dr. Nick Oberheiden without hesitation. I have no doubt that you will experience success with his more
Corban Milam
Corban M.
I have worked with Nick Oberheiden for over ten years on various litigation matters in and around New York City. Nick is an accomplished and seasoned lawyer and litigator---efficient, reliable, practical and, at the same time, highly academic. Nick will take the time necessary to understand a client's short- and long-term goals, and tailor his representation and advice to work toward and achieve those ends. Nick is a zealous advocate for his client, and will never sacrifice his client's interests for a quick or easy resolution to a case. At the end of the day, Nick is a great person to know if you or your business is in need of a top litigator or defense more
Brendan Carosi
Brendan C.
When I was faced with one of the most terrifying and unexpected situations in my life, I called Dr. Oberheiden. I had vetted other attorneys and came right back to him. His knowledge, expertise, and reassuring presence made the decision easy. Throughout my case, his level of communication was what I needed and expected. He constantly updated me on the status and progress of my case and was able to “talk me off the ledge” when the stress of it all would set in. He is simply the best of the best...there’s not a question about more
Scarlett Lee
Scarlett L.
Nick is a superb lawyer with exceptional skills and a formidable personality. Nick works harder, he thinks smarter, and he delivers faster than any lawyer you will ever find. Good, better, Nick!
Jacqueline Singleton
Jacqueline S.
1st class service. Atty. Iberheiden and Atty. Lynette Byrd were always available for us during the whole process of our Home Health Audit. Thank you so much!
Ed Orosa
Ed O.
I am a healthcare compliance consultant with almost 25 years of experience. The one advice I have for anyone seeking a lawyer with unbeatable healthcare law experience is to hire attorney Nick Oberheiden. For the past 8 years, I have worked with Nick on a variety of healthcare matters—from DEA compliance to DOL supervisory rules to setting up PT and pain management clinics. I have never once seen a client not being 100% intrigued by Nick’s proven expertise in the field of healthcare structuring and compliance. Dr. more
RAFT Consultants
Nick Oberheiden is a spectacular lawyer, a true life saver. Nick is simply the very best!
Michael P
Michael P
Nick Oberheiden is the absolute best federal litigation attorney. Nick gives you the immediate comfort of feeling 100% protected. He is polite, respectful— and extremely compelling. His legal strategy turned out to be brilliant.
Marshall M
Marshall M
Great firm, with a great firm record of experienced healthcare and litigation attorneys.
Chris Anderson
Chris A.

Allegations of fraud and misconduct can lead to federal law enforcement investigations and the potential for civil or criminal penalties. If your company is facing these kinds of allegations, it is imperative that you promptly engage the services of an experienced federal defense team. Hundreds of businesses have hired Oberheiden P.C. and its team of former federal agents who served distinguished careers with the Federal Bureau of Investigation (FBI), the U.S. Justice Department (DOJ), the Office of Inspector General (OIG), the U.S. Department of Defense (DOD), the Internal Revenue Service (IRS), the Drug Enforcement Administration (DEA), and other federal agencies to protect them during crisis situations.

Put our highly experienced team on your side

Dr. Nick Oberheiden
Dr. Nick Oberheiden



John W. Sellers
John W. Sellers

Former Senior Trial Attorney
U.S. Department of Justice

Local Counsel

Joanne Fine DeLena
Joanne Fine DeLena

Former Assistant U.S. Attorney

Local Counsel

Lynette S. Byrd
Lynette S. Byrd

Former Assistant U.S. Attorney


Amanda Marshall
Amanda Marshall

Former U.S. Attorney

Local Counsel

Aaron L. Wiley
Aaron L. Wiley

Former Federal Prosecutor

Local Counsel

Roger Bach
Roger Bach

Former Special Agent (OIG)

Gamal Abdel-Hafiz
Gamal Abdel-Hafiz

Former Supervisory Special Agent (FBI)

Chris Quick
Chris Quick

Former Special Agent (FBI & IRS-CI)

Kevin M. Sheridan
Kevin M. Sheridan

Former Special Agent (FBI)

Ray Yuen
Ray Yuen

Former Supervisory Special Agent (FBI)

Dennis A. Wichern
Dennis A. Wichern

Former Special Agent-in-Charge (DEA)

The Advantage of Having Former Federal Agents on Your Company’s Defense Team

If your company is facing fraud or misconduct allegations, time is of the essence. The longer the allegations loom, and the longer any issues remain unaddressed, the more likely it is that your company will face significant reputational and financial harm. Instead of waiting, and instead of trying to handle the issue internally, you need to engage an outside team of attorneys and experts who have extensive experience handling these types of situations.

Are you accused of a federal crime?

Don't delay. Learn about your rights.

Text Dr. Nick Oberheiden now!

(310) 873-8140

Oberheiden P.C.’s former Supervisory Special Agents, former Special Agents-in-Charge, former Inspector-in-Charge and other former federal investigators know exactly how to investigate and evaluate allegations of fraud and misconduct. They understand how federal authorities investigate allegations of corporate fraud and misconduct, and they know what action needs to be taken in order to address companies’ legal concerns in a way that prevents the government from filing civil or criminal charges. When we are engaged to provide defense representation in cases involving allegations of corporate fraud and misconduct, our former federal agents offer:

  • Comprehensive Internal Investigation
  • Witness Interviewing and Evidence Gathering
  • Comprehensive Error Identification
  • Recommendations for Improvements to Compliance Policies and Procedures
  • Recommendations for Remedial Measures to Prevent Recurrence
  • Engaging in Resolution Dialogue with Federal Law Enforcement Authorities
  • Use of Active Channels to the Federal Government

If your company is facing allegations of corporate fraud or misconduct, we encourage you to speak with one of our former prosecutors, former federal agents, or experienced federal defense attorneys to learn more about our services and our substantial track record of minimizing our clients’ exposure and helping them avoid public litigation.

We encourage you to contact us 24/7 if:

  • Your Business is Subject to a Search Warrant
  • Your Business Received a Grand Jury Subpoena
  • Your Business Received a Civil Investigative Demand (CID)
  • Your Business is Being Targeted in a Whistleblower Compliant
  • Your Business is Facing Accusations of Fraud (Including Corporate Fraud, Health Care Fraud, Insurance Fraud, Bank Fraud, Securities Fraud, or Tax Fraud)
  • Your Business is Facing a Complaint from a Current or Former Employee
  • Your Business is (or May Be) on the Government’s Radar
  • Your Business May Have Issues within its Accounting, Billing, or Human Resources (HR) Department

In all of these situations, you need true professionals that understand the federal investigative process and who can provide you with an effective strategy based on proven results in prior cases. Oberheiden P.C. has recruited expert consultants directly from the FBI and other federal agencies in order to make sure that our clients’ legal issues do not escalate unnecessarily.

If you have been contacted by any federal agency regarding allegations of fraud or misconduct, you will waste critical time if you simply take the position that the allegations are untrue. At Oberheiden P.C., our team will respond to allegations proactively, not reactively. We will conduct our own analysis to determine the scope of the issue (if any), and then we will quickly formulate and execute a strategy designed to provide a streamlined resolution before the government can confirm its allegations.

Why Choose Oberheiden P.C. for Federal Compliance and Investigation Defense?

Oberheiden P.C. is a law firm like no other. We offer clients of all sizes custom-tailored defense representation and proven compliance solutions for all types of federal civil and criminal allegations. We do not employ junior lawyers, and every professional that joins our firm is carefully selected. Most of our non-lawyer professionals have at least two decades of frontline federal law enforcement experience. Consequently, our team is comprised exclusively of former high-level federal agents and experienced federal attorneys (many of whom have prior careers at the U.S. Department of Justice (DOJ)), all of whom are available to assist clients on a nationwide scale.

This is what you get when you choose Oberheiden P.C.:

  • Absolutely No Junior Lawyers
  • Experienced Former Federal Agents Offering Their Knowledge to You
  • Experienced Former DOJ prosecutors and trial lawyers with the U.S. Attorney’s Office
  • Nationwide Presence
  • A Proven Track Record of Success Helping Businesses Across the Country Avoid Federal Scrutiny
  • A Proven Track Record Helping Clients Served with Subpoenas and CIDs Avoid Civil and Criminal Charges
  • A Federal Defense Team that has Never Lost a Federal Employment Case
  • A Federal Defense Team that has Handled Thousands of Federal Investigations
  • A Federal Defense Team that has Substantial Experience with Fraud Detection, Prevention, and Remediation

With multiple locations in California, New York, Washington D.C., Florida, Texas, Ohio, Oregon, Washington, Nevada, Louisiana, South Carolina, West Virginia, and other states, we are available to provide immediate legal representation to companies nationwide. Call us today to discuss your company’s federal compliance or defense needs. We are certain that we will be able to help you, just as we have helped hundreds of other businesses throughout the country. Contact Oberheiden P.C. today and put your company’s reputation and financial security in the hands of true professionals.

Who Will Work on My Case?

At Oberheiden P.C., our lead investigators are senior FBI agents. Our lead attorneys are nationally-recognized defense lawyers and former senior prosecutors with the DOJ and U.S. Attorney’s Office. We do not employ junior associates, and all of our former federal agents and prosecutors have established track records of effectively representing private and corporate clients subsequent to their tenures in public service. When you choose Oberheiden P.C. as your company’s compliance or defense counsel, your team will include:

  • Chris Quick is a former FBI Supervisory Special Agent as well as former Special Agent with the IRS Criminal Division. He focuses on identifying and eliminating instances of corporate fraud, employee misconduct, tax fraud, mail fraud, health care fraud, and accounting fraud through targeted corporate internal investigations. An absolute pro when it comes to defending companies during state and federal law enforcement investigations, Chris has built a track record of fixing companies’ internal issues before they escalate to federal matters.
  • Kevin Sheridan is a former Supervisory Special Agent and health care fraud squad lead agent with the FBI. Kevin has an intimate understanding of the intricate nuances of health care billing compliance as well as civil and criminal health care fraud offenses. He has led a significant number of health care fraud investigations across the United States, including one of the largest FBI health care fraud investigation in U.S. history.
  • Ray Yuen is a recently-retired FBI Supervisory Special Agent with close to three decades of experience using federal law enforcement tactics and strategies to target corporate entities and their personnel. Ray served the FBI in Washington D.C., New York, Hawaii, and overseas. He has a demonstrated track record in matters involving financial crimes, international bank transactions, and corporate fraud.
  • Gamal Abdel-Hafiz is a former FBI Supervisory Special Agent whose accomplishments have been featured in various documentaries. Gamal understands how to shield businesses and individuals against risk during federal investigations targeting financial crimes, accounting fraud, health care fraud, mail and wire fraud, and international money laundering.
  • Roger Bach oversees and coordinates all of the former federal agents and expert consultants at Oberheiden P.C. He previously spent close to three decades with the DOJ as a Special Agent and Supervisory Special Agent with the Office of Inspector General (OIG). Roger has substantial experience assisting the firm’s clients with health care fraud investigations, witness interviews, evidence gathering, counterintelligence, and all aspects of corporate and federal compliance.

How Does it Work to Hire Former FBI Agents?

When you engage Oberheiden P.C. to conduct an internal investigation, provide compliance assistance, or defend your company during a federal investigation, our former FBI agents and other former federal agents will be integral members of your team. They will work closely with our attorneys and your company’s leadership to uncover issues and offer solutions that are based on the knowledge they gained investigating similar types of matters on behalf of the federal government. With our client-first team approach, you will have access to our former FBI agents 24/7, and our former agents will provide strategic, custom-tailored recommendations that are aligned with our attorneys’ legal defense strategies.

Speak with a Former FBI Agent at Oberheiden P.C.

If you would like to speak with one of our former FBI agents – or any of our other former federal agents – about your company’s situation, we invite you to get in touch. For a free and confidential case assessment, call 214-692-2171 or tell us how we can contact you online now.

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