Official NY OCA attorney registration data · Updated 2026 Methodology Discipline records

Matthew Joseph Kaiser

Currently registered

Matthew Joseph Kaiser is an attorney admitted to the New York State Bar in 2014, with a registered practice address in Rochester, New York. According to the New York Office of Court Administration, the current registration status on record is Currently registered.

Registration number5199641
Bar statusCurrently registered
Year admitted2014
Judicial departmentDepartment 4
Law schoolSuny Buffalo Law School
Practice cityRochester, NY
CountyMonroe
Firm / organizationWilliam Mattar, P.C.
Office address16 W Main St Ste 736, Rochester, NY, 14614
Phone(716) 444-4444
Next registration dueAug 2026

About William Mattar, P.C.

William Mattar, P.C. is a personal injury law firm that also presents itself publicly as William Mattar Accident Lawyers. The firm traces its start to 1990, when attorney William K. Mattar established it in Williamsville, New York. Its work is limited to injuries from motor vehicle collisions, including car, truck, motorcycle, rideshare, bicycle and pedestrian crashes, and it also handles wrongful death claims arising from such incidents. Fees are contingent, so clients generally pay nothing unless a recovery is obtained.

Practice areas of William Mattar, P.C.:

Personal Injury

These are the practice areas the organization describes on its website. They are not a statement about Matthew Joseph Kaiser’s own practice or any specialty certification.

View the William Mattar, P.C. profile and its 17 registered attorneys →

Office location

Registered office address on file with the New York State Bar. Verify before visiting, as the address reflects the contact on record and may be a firm rather than a personal office.

Verify this record

Bar status can change at any time. For the authoritative, real-time status of Matthew Joseph Kaiser, confirm directly through the official New York Attorney Search using the registration number above. This record is republished from public New York State data and is provided for reference only — it is not legal advice and not an endorsement.

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