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90%+ SUCCESS RATE
AVOIDING CRIMINAL CHARGES

Dr. Nick Oberheiden
Founder

Aaron Wiley
Former State &
Federal Prosecutor

S. Amanda Marshall
Former U.S. Attorney

Bill McMurrey
Former DOJ-Trial Attorney

Lynette Byrd
Former Assistant
U.S. Attorney

  • Federal Criminal Defense
  • Federal Trial Lawyers
  • Search Warrant Defense
  • Grand Jury Subpoenas
  • OIG Subpoenas
  • Whistleblower Cases
  • FBI, DEA, IRS, OIG, HHS Cases

Committed Federal Criminal Defense serving Washington, D.C.

Washington D.C. Federal Criminal Defense - skyline pic

Federal Defense Lawyers for Individuals, Health Care Providers, and Other Businesses in Washington, D.C.

If you are facing a federal investigation or litigation in federal court, you need to take a strategic approach to asserting the strongest possible defense. As Washington D.C. Federal Criminal Defense attorneys, we bring decades of experience as defense lawyers and former federal prosecutors to representing individuals, health care providers, and other businesses in Washington, D.C.

Oberheiden, P.C. is a health care fraud, criminal defense, and business litigation law firm with a national presence.  We represent individuals, health care providers, and other entities in complex and high-stakes federal matters. Our team of defense lawyers and former federal prosecutors provides strategic defense representation for audits, investigations, prosecutions, and civil litigation in federal court, and we have a proven track record of securing favorable outcomes for our clients. Whether you are a health care provider facing a federal investigation, an individual facing computer or drug crime charges, or a business owner facing civil litigation in Washington, D.C., we can help. We encourage you to contact us promptly for a complimentary case evaluation.

About Oberheiden, P.C.

Our firm is led by senior partner Dr. Nick Oberheiden. Nick Oberheiden is a highly experienced federal health care fraud defense attorney.

Our attorneys offer a unique blend of experience in federal civil and criminal matters. Collectively, our attorneys have handled well over 1,000 federal investigations and 500 federal trials, and they have represented clients across the country facing allegations ranging from health care fraud to antitrust violations. We offer strategic legal representation punctuated by exhaustive factual support and compelling legal arguments. We focus on finding the most favorable ways to resolve our clients’ legal issues as quickly as possible.

“Our companies have worked with firms all over the country within various specialties and now use Nick Oberheiden’s firm almost exclusively. Nick represented our companies in some federal law investigations. His guidance and expertise allowed us to continue to concentrate on our core business as he dealt with the complex legal issues.” – Firm Client

Full-Service Legal Representation for Washington D.C. Federal Criminal Defense

Our practice focuses in four primary areas: (i) health care law compliance, (ii) defense of health care providers in federal audits and investigations, (iii) federal criminal defense, and (iv) civil litigation in federal court. Within these areas, we handle numerous types of legal matters:

Compliance Counseling and Implementation

For providers in all sectors of the health care industry, compliance is a constant concern. With the government’s automated review of billing data focused on identifying “outliers” which may or may not be indicative of fraud, even fully-compliant providers must be prepared to demonstrate that their practices do not justify federal prosecution. In our compliance counseling and implementation practice, we help providers mitigate their risk of being targeted in an investigation with a comprehensive approach that includes:

  • Confidential assessment of current patient and billing practices
  • Development of customized policies and procedures
  • Personnel training
  • Review of implemented practices and reevaluation of needs on an ongoing basis
  • Preparation of business entity documentation, contracts, and other necessary records and documentation

Medicare and Medicaid Audit Defense

Medicare and Medicaid audits have the potential to lead to significant financial ramifications. And if auditors find evidence of potential fraud, they can refer providers to the DOJ and other federal authorities for civil or criminal prosecution. With recoupments, denial of payment, prepayment review, program exclusion, and other penalties all on the table, health care providers need to treat their Medicare and Medicaid audits as the potentially dangerous proceedings that they are. If your business or practice has been contacted by auditors from one of the Centers for Medicare and Medicaid Services’ (CMS) “fee-for-service” contractors, it is important that you seek legal counsel right away. Learn more:

Health Care Fraud Investigation Defense

Whether as a result of automated billing data review, a CMS contractor audit, or a whistleblower claim, health care providers in Washington, D.C. can face investigations arising from a broad range of different factors. If your business or practice is being targeted in an investigation, taking a proactive and strategic approach is the best way to avoid unnecessary consequences. At Oberheiden, P.C., we represent licensed practitioners, executives, board members, practice personnel, and business entities in health care fraud investigations involving:

  • Centers for Medicare and Medicaid Services (CMS)
  • Department of Defense (DOD)
  • Department of Health and Human Services Office of Inspector General (OIG)
  • Department of Justice (DOJ)
  • Department of Labor (DOL)
  • Drug Enforcement Administration (DEA)
  • Federal Bureau of Investigation (FBI)
  • Medicare Fraud Strike Force
  • Opioid Fraud and Abuse Detection Unit
  • Other federal agencies and task forces

Civil and Criminal Health Care Fraud Prosecution Defense

While a significant proportion of our clients who contact us during the investigative process are able to avoid federal charges, in some cases, charges will be unavoidable. If you have been charged with civil or criminal health care fraud, your defense needs to be your top priority and you need to focus your efforts on mitigating your risk of an unfavorable verdict at trial. With our decades of experience as health care fraud defense lawyers and health care fraud prosecutors, we provide skilled and effective defense representation for cases involving allegations such as:

Subpoenas, Civil Investigative Demands (CIDs), and Letters from the U.S. Attorney’s Office

Federal authorities have a variety of tools available for targeting suspects in civil and criminal investigations. Depending upon the tool (or tools) used, the investigating agency’s authority can be extraordinarily broad and the target individual’s or entity’s response obligation can vary widely. We represent clients who have been served with all types of federal subpoenas and investigative demands, including:

Federal Computer, Drug, and White-Collar Crime Defense

In addition to representing the government and defendants in federal health care fraud matters, our attorneys have significant experience on both sides of numerous other types of federal criminal cases. Our experience includes handling investigations, plea deal negotiations, criminal trials, and federal appeals involving:

Business Litigation

Our practice also includes representing individual and corporate clients in complex business litigation. From defending licensed practitioners accused of malpractice to fending off allegations of antitrust violations and intellectual property infringement, we have experience protecting clients’ interests in many different types of federal litigation. Our civil litigation practice focuses in the areas of:

Fighting Civil or Criminal Allegations in Federal Court: Answers to FAQs

Q: Why am I being targeted by federal authorities, and what do I need to do to protect myself?



If you are being targeted by federal authorities for civil or criminal prosecution, this most likely means that either: (i) someone has reported suspected illegal activity to the DOJ, DEA, FBI, or another federal agency; or (ii) the government has independently uncovered evidence of suspected fraud or another criminal offense. However, due to over-reliance on data analytics, the filing of meritless whistleblower claims, and various other factors, federal investigations are often severely misguided. Responding quickly (and appropriately) to the government’s inquiry will provide you with the best opportunity to secure a favorable outcome without facing charges – and as Washington D.C. Federal Criminal Defense lawyers, we are prepared to act quickly to protect you.

Q: Could I really be guilty of a federal offense?



Maybe, but this is not a question we can answer until we have a thorough understanding of your situation. Many federal laws (including the False Claims Act, Stark Law, Anti-Kickback Statute, and Controlled Substances Act) are extraordinarily complicated. Determining whether you have committed a violation requires a detailed factual investigation and careful legal analysis. However, one thing is clear: You should not assume you are guilty simply because you are under investigation or facing charges. You could have a variety of defenses available, and you should speak with an experienced federal defense attorney as soon as possible.

Q: Why should I choose Oberheiden, P.C. for my federal case in Washington, D.C.?



Whether you are facing millions of dollars in financial liability, decades of imprisonment, or both, you need to choose a law firm that has the experience, skill, and resources to protect you to the greatest extent possible. At Oberheiden, P.C., we offer:



  • a team of senior attorneys working together to protect our clients.

  • decades of experience as former federal prosecutors.

  • significant results in a broad range of federal civil and criminal matters.

  • 24/7 accessibility and direct access to your attorneys.

  • a relentless approach to securing the best possible outcome as quickly as possible.


Call or Click to Schedule Your Free Initial Consultation

If you would like to speak with one of the senior attorneys regarding Washington D.C. Federal Criminal Defense, we encourage you to get in touch. To schedule an appointment at your convenience, call (888) 519-4897 or tell us about your situation online now.

This information has been prepared for informational purposes only and does not constitute legal advice. This information may constitute attorney advertising in some jurisdictions. Reading of this information does not create an attorney-client relationship. Prior results cannot guarantee a similar future outcome in your case. Oberheiden, P.C. is a Texas LLP with headquarters in Dallas. Mr. Oberheiden limits his practice to federal law.

Who Will Handle Your Case

When you hire us, you will not work with paralegals or junior lawyers. Each lawyer in our Health Care Practice Group has handled at least one hundred (100) matters in the health care industry. So, when you call, you can expect a lawyer that immediately connects with your concerns and who brings in a wealth of experience and competence. For example, you need someone like Lynette S. Byrd, a former federal prosecutor in health care matters, who recently left the government and who is now sharing the valuable insights she gained as a health care prosecutor with our clients.

Bill C. McMurrey

Bill C.
McMURREY

Dr. Nick Oberheiden

Dr. Nick
OBERHEIDEN

Lynette S. Byrd

Lynette S.
BYRD

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