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Keeping you afloat amidst the rising sea of regulations

David S. Greenberg

Washington, DC
David S. Greenberg

David S. Greenberg

Washington, DC

David Greenberg is a partner in Arent Fox LLP’s national Health Care practice group. He advises the health care industry, with a particular focus on health care providers and suppliers, helping them navigate through an exceedingly complex and volatile regulatory and enforcement environment.

David focuses his practice on counseling health care clients on regulatory issues related to the Affordable Care Act, the False Claims Act, the Anti-Kickback Act, the Stark Laws, state licensure, self-disclosures, reimbursement and payment, and participation in Medicare, Medicaid, and other government health care programs. He is experienced in conducting internal investigations and representing health care companies in state and federal audits, enforcement actions, False Claims Act investigations, and litigation.

Additionally, David represents health care providers and suppliers embroiled in significant reimbursement and coverage disputes and litigation with managed care companies, health insurers, third-party administrators, FEHB plans, Medicare Advantage plans, and employer-sponsored health plans concerning compliance with ERISA, COBRA, the Medicare Secondary Payer Act, the FEHB Act, the Medicare Advantage program, and state insurance laws.

David regularly speaks and writes on legal issues impacting the health care industry. He is lead editor of the Practising Law Institute treatise Health Care Litigation and Risk Management Answer Book.

Client Work

David has represented dialysis companies, hospitals, home health providers, ambulatory surgery centers, pharmaceutical companies, hospices, and long-term care providers. His recent work has included:

  • Representing a dialysis company in a multi-million dollar arbitration against a health insurer.
  • Defending a hospital system in a US Department of Justice (DOJ) investigation.
  • Advising a hospice company regarding an FBI investigation into its billing practices.
  • Counseling a national home health company on regulatory, reimbursement, and compliance matters related to its participation in state Medicaid programs.
  • Representing a national dialysis company in multi-million dollar reimbursement disputes with various health insurers, health and welfare plans, and Medicare Advantage plans.
  • Representing surgery centers and medical device makers in reimbursement disputes with health insurers.
  • Conducting internal investigations on behalf of multiple skilled nursing facility chains concerning compliance with Medicare program billing and payment rules.
  • Representing a dialysis corporation in an intervened False Claims Act suit.
  • Representing a national hospice company in False Claims Act litigation.
  • Counseling a nonprofit community health organization on HIPAA, privacy and contracting issues.
  • Acting as outside general counsel to a startup, health care technology company.

Previous Work

Prior to joining Arent Fox, David worked in the DC office of a leading national law firm where he specialized in antitrust and health care litigation. While at that firm, he litigated complex cases in state and federal court involving health insurers, innovator pharmaceutical companies, generic pharmaceutical companies, and pharmacy benefit managers.

Upon completion of law school, David worked as an attorney for the Civil Division of the DOJ. While at DOJ, he was a member of the small team of lawyers responsible for administering the federal September 11, 2001, Victim Compensation Fund.

Professional Activities

David is a member of the American Health Lawyers Association and the Health Law Section of the American Bar Association.

Publications, Presentations and Recognitions

David speaks and publishes frequently on issues pertaining to the health care industry, particularly on the False Claims Act and health care litigation. He is lead editor of the Practising Law Institute treatise Health Care Litigation and Risk Management Answer Book.

While in law school, David was an articles editor and on the executive board for the ABA publication, The Business Lawyer.

David’s speeches include:

  • “Navigating Reverse False Claims and Medicare Overpayments Amid Strict Enforcement of the 60-Day Rule,” Strafford Webinars, December 17, 2014
  • “Working with the C-Suite and Outside Counsel,” George Washington University Healthcare Corporate Compliance Program Capstone Presentation, September 30, 2014
  • “Working with the C-Suite and Outside Counsel,” George Washington University Healthcare Corporate Compliance Program Capstone Presentation, May 13, 2014
  • “Hot Trends in Reimbursement,” Presentation at Los Angeles County Bar Association Healthcare Compliance Symposium, October 10, 2013

David’s publications include:

  • “Government Pulls Out All the Stops to Investigate and Prosecute Medicare Fraud Against Sacred Heart Hospital Executives in Chicago,” Bloomberg BNA, April 15, 2015
  • “The Civil False Claims Act,” Health Care Litigation and Risk Management Answer Book 2015, Practising Law Institute, 2015
  • “Managed Care Disputes and Litigation,” Health Care Litigation and Risk Management Answer Book 2015, Practising Law Institute, 2015
  • “US Department of Justice’s False Claims Act Recoveries Reach a Record $5.7 Billion in Fiscal Year 2014,” Health Care Counsel, December 23, 2014
  • “Health Care Industry: Expect More DOJ Criminal Prosecutions on the Horizon,” Health Care Counsel, September 22, 2014
  • “The DOJ Intervenes in ‘Reverse False Claims Act’ Case,” Health Care Counsel, July 11, 2014
  • “Recent Developments in OIG Exclusion: Health Care Corporate Executives in the Crosshairs,” Bloomberg BNA Pharmaceutical & Industry Report, June 14, 2013
  • “CMS Clarifies Sequestration Does Not Mandate Cuts in Medicare Advantage and Prescription Drug Benefit Payments to Contracted Providers, Suppliers, and Pharmacies,” Arent Fox Legal Alert, May 3, 2013
  • “Protecting the Out-of-Network Option,” ASC Focus, November/December 2012
  • “Federal Courts Reject Violations of DME Supplier Standards As Basis for False Claims Act ;Liability,” Arent Fox Legal Alert, November 7, 2012
  • “The False Claims Act Amendments: The Curious Conundrum of Retroactivity,” The Health Lawyer, v. 22, No. 5, June 10, 2010
  • “The False Claims Act: Recent Amendments and their Implications for Higher Education,” NACUANOTES, v. 8, No. 8, April 16, 2010
  • “Two Pending False Claims Act Cases Highlight Government Theory that Failure to Comply with DME Supplier Standards Renders Medicare Claims False,” Arent Fox Legal Alert, December 22, 2009
  • “Tenth Circuit Decision Raises Doubts About False Claims Act Liability Predicated on Provider’s Certifications of Compliance in Annual Cost Reports,” Arent Fox Legal Alert, November 2, 2009
  • “Legal Actions Against Commercial Insurers For Improper Manipulation Of Out-Of-Network Reimbursement Rates to Impact Healthcare Providers,” Health Lawyers Weekly, February 2009

Life Beyond the Law

When David is not working, he likes to escape DC for the mountains and lakes of northern New Hampshire with his wife and two kids. He also maintains an unhealthy allegiance to DC’s longsuffering sports teams (although the Nationals have offered him a bit of relief recently).