Atty. Eric David Katz

Atty. Eric David Katz

New Jersey health care lawyer Eric Katz is a prominent advocate for New Jersey physicians, dentists and other health care providers, and is a senior partner at Mazie Slater Katz & Freeman, LLC, a leading New Jersey class action and trial law firm. Mr.

Roseland Roseland 35 Years Experience 35 year
Call (862) 451-8958

Profile Summary

About Eric David Katz at a glance

Eric David Katz is a Member based in Roseland, New Jersey, practicing at Mazie Slater Katz & Freeman. They have 35+ years of legal experience, licensed to practice since 1991. Their practice focuses on personal injury, business, class action, product liability, and litigation. Admitted to practice in New Jersey (1991), Pennsylvania (1991), U.S. District Court, District of New Jersey (1991), and New York (1997). Educated at Pace University (J.D., 1991) and Polytechnic University of New York (B.S. Industrial, 1988). Recognitions include Peer Reviewed. Serves clients in Roseland, NJ and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • New Jersey health care lawyer Eric Katz is a prominent advocate for New Jersey physicians, dentists and other health care providers, and is a senior partner at Mazie Slater Katz & Freeman, LLC, a leading New Jersey class action and trial law firm
  • Mr. Katz represents health care providers and their patients in all types of managed care disputes including usual, customary and reasonable (“UCR”) disagreements, prompt payment disputes, unlawful bundling and downcoding of claims, improper coverage denials, class actions and managed care audits
  • In just the last few years, Mr. Katz has recovered several millions of dollars for his physician clients on UCR and prompt pay issues alone
  • In November 2015, Mr. Katz testified before the New Jersey Assembly Financial Institutions and Insurance Committee in opposition to proposed healthcare bills that would damage the relationship between out-of-network doctors and their patients and make it more difficult for doctors to advocate on behalf of their patients against the health insurance industry
  • In June 2013, Mr. Katz successfully argued on behalf of the respondent, John Ivan Sutter, M.D. and the 20,000 member physician class in the Supreme Court of the United States in the matter of Oxford Health Plans v
  • Sutter, in which the nation's highest Court in a unanimous decision upheld an arbitrator's award authorizing a physician class action to resolve doctors' claim payment disputes with Oxford
  • A leading New Jersey class action lawyer, Mr. Katz has been appointed lead class counsel in many managed care class actions and among his many triumphs achieved a landmark $39 million class action settlement on behalf of tens of thousands of New Jersey physicians against Horizon Blue Cross Blue Shield, the largest health insurer in the state, relating to the carrier’s failure to process claims timely, appropriately and a national class action settlement on behalf of dentists against Delta Dental of New Jersey, and a dentist class action settlement against Horizon Blue Cross
  • Mr. Katz has shaped the law on class actions as a result of major court victories on matters such as the rights of plaintiffs to sue in the forum of their choice, and the rights of consumers and other victims to bring a class action even when there is an arbitration clause in a contract
  • Mr. Katz is a certified civil trial attorney, a distinction held by less than 2% of New Jersey attorneys and is often interviewed by the media as a champion of the rights of health care providers and their patients
  • Research and Writing Editor, Pace Law Review, 1990-1991
  • Law Clerk, Hon. Lawrence Weiss, Superior Court of New Jersey, Union County, 1991-1992

Co-Author

New Jersey Products Liability and Toxic Tort Law, with Hon. William A. Dreier, P.J.A.D. (Retired) and Hon. John E. Keefe, P.J.A.D. (Retired), published by Gann Law Books Publishing, 1994 and annually thereafter

Co-Author

Federal Civil Procedure Before Trial: Third Circuit Pleadings,with Robert M. Leonard, pub. by Lawyers Cooperative Publishing, 1996

Author

  • "Removing the Fungibility Requirement from the Market Share Liability Rule - Why it Can Work in Non-DES Cases," 3 Prod
  • Liab
  • L.J. 32, 1991
  • "Striking the Peremptory Challenge from Civil Litigation: 'Hey, Batson,Stay Where You Belong!" 11 Pace L. Rev. 357, 1991
  • Million Dollar Advocates Forum
  • Member, Union County Planning Board, 1993-1996
  • Million Dollar Advocates Forum
  • Member, Board of Trustees, Berkeley Heights Community Pool Corporation, 1999-2004

Practice Areas Explained

Eric David Katz's Areas of Practice

Each practice area below reflects the types of cases Eric David Katz handles, with a brief overview of what that area of law covers.

Personal Injury

Personal injury attorneys help accident victims recover compensation for medical bills, lost wages, and pain & suffering. Most work on contingency — no fee unless you win.

Eric David Katz is one of 238,048 personal injury attorneys indexed nationally. Browse personal injury attorneys in New Jersey →

Business & Corporate Law

Business attorneys advise founders and growing companies on entity formation, contracts, financing, M&A, and dispute resolution.

Eric David Katz is one of 452,854 business attorneys indexed nationally. Browse business attorneys in New Jersey →

Class Action

Eric David Katz is one of 23,998 class action attorneys indexed nationally. Browse class action attorneys in New Jersey →

Product Liability

Eric David Katz is one of 60,257 product liability attorneys indexed nationally. Browse product liability attorneys in New Jersey →

Civil Litigation

Civil litigation attorneys for breach of contract, business disputes, civil rights, and class action lawsuits.

Eric David Katz is one of 409,070 litigation attorneys indexed nationally. Browse litigation attorneys in New Jersey →

Jurisdictional Context

Why local counsel matters in New Jersey

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

Looking for additional New Jersey attorneys? Browse all attorneys in Roseland or all attorneys in New Jersey.

Frequently Asked

Common questions about Eric David Katz

Where is Eric David Katz's law office located?
Eric David Katz's law practice is located in Roseland, New Jersey. The firm is Mazie Slater Katz & Freeman. You can contact the office directly through this profile page.
What practice areas does Eric David Katz handle?
Eric David Katz focuses on personal injury, business, class action, product liability, litigation. Each practice area listed reflects experience handling cases of that type in New Jersey.
How long has Eric David Katz practiced law?
Eric David Katz has 35+ years of legal experience and has been licensed since 1991.
Where did Eric David Katz go to law school?
Eric David Katz earned their education at (J.D., 1991); (B.S. Industrial, 1988).
How can I contact Eric David Katz for a consultation?
You can contact Eric David Katz 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.
What awards or recognition has Eric David Katz received?
Eric David Katz's notable recognition includes: Peer Reviewed.

Education

J.D.
Pace University
- 1991
B.S. Industrial
Polytechnic University of New York
- 1988

Awards

Peer Reviewed

Bar Admissions

New Jersey
Admitted: 1991
Pennsylvania
Admitted: 1991
U.S. District Court, District of New Jersey
Admitted: 1991
New York
Admitted: 1997
U.S. District Court, Southern District of New York
Admitted: 1997
U.S. District Court, Eastern District of New York
Admitted: 1997
U.S. Court of Appeals, Third Circuit
Admitted: 1998

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