Sittenreich, Marc A.

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Marc A. Sittenreich


111 Great Neck Road, Great Neck, NY 11021
P: 516-393-2533

411 Hackensack Avenue, 5th Floor, Hackensack, NJ 07601
P: 201-883-1030

Litigation & Arbitration

Fordham University School of Law
(J.D., magna cum laude, 2011)
Associate Editor, Fordham Law Review Order of the Coif
Tufts University
(B.A., summa cum laude, 2007)
Phi Beta Kappa

New Jersey
New York

U.S. Court of Appeals, Second Circuit
U.S. District Court, Southern District of New York
U.S. District Court, Eastern District of New York

New York State Bar Association, Commercial and Federal Litigation Section
American Health Lawyers Association

Marc A. Sittenreich is a Partner at Garfunkel Wild, P.C., which he joined in 2014. He is a member of the Litigation and Arbitration Group. Mr. Sittenreich represents clients in a variety of matters in federal and state courts, including commercial, health care, civil rights, employment, and environmental cases.

Mr. Sittenreich has particular experience litigating payment disputes between health care providers and insurers and other third-party payers, including issues under ERISA and the Affordable Care Act. In addition, Mr. Sittenreich has represented multiple hospitals and other entities in discrimination lawsuits under the Americans with Disabilities Act, the federal Rehabilitation Act, and corresponding state and local law. In August 2019, he served on a trial team that won a complete defense verdict on behalf of a New York City hospital in the United States District Court for the Eastern District of New York against four deaf patients alleging discrimination under federal, state, and city law. Mr. Sittenreich also appears on behalf of hospitals at hearings under the New York Mental Hygiene Law.

Prior to joining the firm, Mr. Sittenreich was an attorney in the Health Care Division of the Federal Trade Commission’s Bureau of Competition, where he worked on antitrust investigations in the pharmaceutical industry. He began his career as a law clerk to the Honorable Carolyn E. Demarest, Presiding Justice of the Kings County Commercial Division of the New York State Supreme Court.

Mr. Sittenreich received his B.A., summa cum laude, in 2007 from Tufts University, where he was elected to Phi Beta Kappa, and his J.D., magna cum laude, in 2011 from Fordham University School of Law, where he was an Associate Editor of the Fordham Law Review and elected to Order of the Coif. He is admitted to practice in New York and New Jersey, and before the United States Court of Appeals for the Second Circuit and the United States District Courts for the Southern and Eastern Districts of New York.


  • Who Is a Discharger Under the New York Oil Spill Law?, New York Law Journal, August 10, 2015 at S2
  • The Rocky Path for Private Directors General: Procedure, Politics and the Uncertain Future of EU Antitrust Damages Actions, 78 Fordham L. Rev. 2701 (2010)