Matthew B. DiMario


Location: Providence, Rhode Island
Phone: 401-421-7110
Fax: 401-421-7111

Attorney DiMario’s practice focuses on providing legal defense to insurance companies and their insureds, self-insured businesses and their TPAs, corporations and individuals throughout Massachusetts and Rhode Island. Matt has extensive experience representing clients in personal injury matters, products liability, premises liability, administrative appeals, and uninsured/underinsured motorist claims and arbitrations.  Over the past several years, he has successfully dedicated a considerable amount of his practice to defending first and third party “bad faith” claims arising from without fault insurance (PIP, Medpay) benefits.

Matt works in Sulloway’s Providence office and is an active member of the Rhode Island legal community where he serves as Chair of the Rhode Island Bar Association’s New Lawyers Committee.  In addition, Matt was recently selected to serve as Co-Chair of the DRI Young Lawyers Membership Sub-Committee and to be the DRI Young Lawyers Committee Liaison to the Rhode Island State Defense Organization, Defense Counsel of Rhode Island.

Areas of Practice

Civil Litigation
PIP, Medpay Claims, Bad Faith Defense
Insurance Coverage and Defense Litigation
Personal Injury Defense

Bar Admissions

Rhode Island, 2010
Massachusetts, 2011
U.S. District Court District of Rhode Island, 2016


Roger Williams University School of Law, Bristol, Rhode Island
J.D. – 2010

University of Rhode Island, Kingston, Rhode Island
B.A. – 2004
Major: Political Science

University of Rhode Island, Kingston, Rhode Island
M.S. – 2007
Major: Human Resources and Labor Relations

Professional Associations and Memberships

  • DRI- The Voice of the Defense Bar, Member, 2015 – Present
  • Rhode Island Bar Association, Member, 2010 – Present

Past Employment Positions

  • Zizik Professional Corporation, Attorney, 2015 – 2016
  • Zizik Powers, P.C., Attorney, 2014 – 2015
  • Rice, Dolan & Kershaw, Attorney, 2011 – 2014
  • Rhode Island Superior Court, Judicial Law Clerk, 2010 – 2011

Community Involvement

  • Chair, Rhode Island New Lawyers Committee
  • Co-Chair, DRI Young Lawyers Committee Membership Sub-Committee
  • DRI Young Lawyers Committee Liaison to Defense Counsel of Rhode Island (DCRI)
  • Rhode Island Superior Court Bench-Bar Committee Member
  • Rhode Island Bar Association Strategic Planning Committee Member