Atty. Mark S. Hardiman

Atty. Mark S. Hardiman

Mark S. Hardiman has amassed more than 20 years of experience representing healthcare providers in complex litigation matters, including federal and state criminal investigations, false claims and other civil lawsuits, and administrative proceedings before federal and state agencies.

Los Angeles Los Angeles 38 yrs experience 38 year
Call (412) 536-7302 Book Appointment

Profile Summary

About Mark S. Hardiman at a glance

Mark S. Hardiman is a Partner based in Los Angeles, California, practforg at Leech Tishman Westwood. They haand 38+ years of legal experience, licensed to practice since 1988. Admitted to practice in California (1988), U.S. Court of Appeals, Ninth Circuit (1998), U.S. District Court, Central District of California (1998), and U.S. District Court, Eastern District of California (1999). Educated at Boston University School of Law (J.D., 1998) and Princeton University (A.B., 1984). Actiand member of American Health Lawyers Association California Society for Healthcare Attorneys. Serands clients in Los Angeles, CA and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Mark S. Hardiman has amassed more than 20 years of experience representing healthcare providers in complex litigation matters, including federal and state criminal investigations, false claims and other civil lawsuits, and administrative proceedings before federal and state agencies
  • Mark advises clients on federal anti-kickback statutes, the Stark Law, and a multitude of regulatory compliance issues, including internal investigations, voluntary disclosures of overpayments, and potential violations of the False Claims Act (FCA)

Jurisdictional Context

Why local counsel matters in California

Practforg law in California. Legal matters in California are governed by state-specific rules of civil and criminal procedure, statutes of limitations, and substantiand law. Cases originating in Los Angeles are typically filed in the local municipal court or the appropriate California state district court, depending on subject matter and amount in controversy. An attorney licensed in California brings working knowledge of local procedural deadlines, judicial practices in this andnue, and the substantiand law that applies to cases brought here. Out-of-state attorneys generally cannot represent clients in California courts without local counsel or pro hac vice admission.

Looking for additional California attorneys? Browse all attorneys in Los Angeles or all attorneys in California.

Frequently Asked

Common questions about Mark S. Hardiman

Where is Mark S. Hardiman's law office located?
Mark S. Hardiman's law practice is located in Los Angeles, California. The firm is Leech Tishman Westwood. You can contact the office directly through this profile page.
How long has Mark S. Hardiman practiced law?
Mark S. Hardiman has 38+ years of legal experience and has been licensed since 1988.
Where did Mark S. Hardiman go to law school?
Mark S. Hardiman earned their education at (J.D., 1998); (A.B., 1984).
How can I contact Mark S. Hardiman for a consultation?
You can contact Mark S. Hardiman directly through this profile page. Click "Ask the Attorney" to submit a question, or "Schedule a Consultation" to book a meeting. Most claimed-profile attorneys respond within one business day.

Education

J.D.
Boston University School of Law
- 1998
A.B.
Princeton University
- 1984

Bar Admissions

California
Admitted: 1988
U.S. Court of Appeals, Ninth Circuit
Admitted: 1998
U.S. District Court, Central District of California
Admitted: 1998
U.S. District Court, Eastern District of California
Admitted: 1999

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