Mark D. Seltzer

Mark D. Seltzer


Nixon Peabody LLP

Recognized since 2010

Boston, Massachusetts

Practice Areas

Criminal Defense: General Practice

Criminal Defense: White-Collar

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Mark Seltzer represents corporations, executives and professionals in government investigations and enforcement actions and related complex litigation.

What do you focus on?

In recent years, I have focused my practice on representing pharmaceutical companies and their executives, medical device manufacturers and their executives, clinical diagnostics manufacturers and other health care providers in government health care fraud investigations and related civil litigation under the federal False Claims Act and state counterparts; the federal Food, Drug and Cosmetic Act; the Medicare/Medicaid Anti-Kickback Statute; the Medicaid Drug Rebate Statute; and state consumer fraud statutes.

Outside the health care industry, I represent senior corporate executives in securities enforcement investigations, and financial institutions in various enforcement matters.

I have extensive experience in conducting confidential internal investigations for corporate clients. I regularly advise corporations on the design, implementation and monitoring of compliance programs.

Formerly, I was a federal prosecutor for 13 years both in Miami, as an Assistant United States Attorney for the Southern District of Florida and, in Boston, as Director of the New England Bank Fraud Task Force of the United States Department of Justice.

Location
  • Exchange Place
    53 State Street
    Boston, MA 02109-2835
Education
  • University of Pennsylvania, BA
Bar Admissions
  • Massachusetts, Massachusetts Bar Association
  • Pennsylvania, Pennsylvania Bar Association

Nixon Peabody LLP
Headquarters: Boston, Massachusetts

195 The Best Lawyers in America® awards

94 Best Lawyers: Ones to Watch® in America awards

Best Law Firms Badge Visit Website View Firm Profile

Recognized in The Best Lawyers in America® 2025 for work in:
  • Criminal Defense: General Practice
  • Criminal Defense: White-Collar
Special Focus:
  • White-Collar Criminal Defense
Additional Areas of Practice:
  • Commercial Litigation
  • Qui Tam Law

Publications

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