Matthew Joseph Diamantopoulos

(631) 630-3333 · 320 Carleton Ave Ste 2400, Central Islip, NY 11722-4508

Overview

MATTHEW JOSEPH DIAMANTOPOULOS (Registration #6199939) is an attorney in Central Islip admitted in the Second Judicial Department (seated in Brooklyn) of New York State in 2025, registered with the Office of Court Administration (OCA) of New York State Unified Court System. The employer is SUFFOLK COUNTY LEGAL AID SOCIETY. The attorney was graduated from Touro University Jacob D. Fuchsberg Law Center. The registered office location is at 320 Carleton Ave Ste 2400, Central Islip, NY 11722-4508, with contact phone number (631) 630-3333. The current status of the attorney is Currently registered.

Attorney Information

Registration Number6199939
Full NameMATTHEW JOSEPH DIAMANTOPOULOS
First NameMATTHEW
Last NameDIAMANTOPOULOS
Company NameSUFFOLK COUNTY LEGAL AID SOCIETY
Address320 Carleton Ave Ste 2400
Central Islip
NY 11722-4508
CountySuffolk
Telephone(631) 630-3333
Law SchoolTouro University Jacob D. Fuchsberg Law Center
Judicial Department of AdmissionSecond Judicial Department (seated in Brooklyn)
Year Admitted2025
StatusCurrently registered
Next RegistrationJun 2027

Organization Information

Company NameSUFFOLK COUNTY LEGAL AID SOCIETY
Address320 Carleton Ave Ste 2400
Central Islip
NY 11722-4508
Telephone(631) 630-3333
Law SchoolTouro University Jacob D. Fuchsberg Law Center

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Address: 400 Carleton Ave Fl 4, Central Islip, NY 11722-4503
Company Name: SUFFOLK COUNTY LEGAL AID SOCIETY
Law School: Hofstra University Maurice A. Deane School of Law
Year Admitted: 2022
Address: 400 Carleton Ave, Central Islip, NY 11722-4504
Company Name: Suffolk County Legal Aid Society
Law School: Touro University Jacob D. Fuchsberg Law Center
Year Admitted: 2020
Address: 320 Carleton Ave Ste 2500, Central Islip, NY 11722-4500
Company Name: SUFFOLK COUNTY LEGAL AID SOCIETY
Law School: Touro University Jacob D. Fuchsberg Law Center
Year Admitted: 2007
Address: 400 Carleton Ave, Central Islip, NY 11722-4504
Company Name: SUFFOLK COUNTY LEGAL AID SOCIETY
Law School: TOURO LAW CENTER
Year Admitted: 2018
Address: 400 Carleton Ave, Central Islip, NY 11722-4504
Company Name: SUFFOLK COUNTY LEGAL AID SOCIETY
Law School: ST. JOHN'S UNIVERSITY
Year Admitted: 2010
Address: 400 Carleton Ave FL 4, Central Islip, NY 11722-4503
Company Name: Suffolk County Legal Aid Society
Law School: TOURO LAW CENTER
Year Admitted: 2013
Address: 400 Carleton Ave, Central Islip, NY 11722-4504
Company Name: SUFFOLK COUNTY LEGAL AID SOCIETY
Law School: Hofstra University Maurice A. Deane School of Law
Year Admitted: 2023
Address: 400 Carleton Ave, Central Islip, NY 11722-4504
Company Name: SUFFOLK COUNTY LEGAL AID SOCIETY
Law School: Touro College Fuchsberg Law Center
Year Admitted: 2016
Address: 300 Center Dr, Riverhead, NY 11901-3393
Company Name: SUFFOLK COUNTY LEGAL AID SOCIETY
Law School: Northeastern University School of Law
Year Admitted: 2019
Address: 400 Carleton Ave, Central Islip, NY 11722-4504
Company Name: SUFFOLK COUNTY LEGAL AID SOCIETY
Law School: New England Law
Year Admitted: 2023
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Address: Po Box 407, Saddle Brook, NJ 07663-0407
Law School: Touro University Jacob D. Fuchsberg Law Center
Year Admitted: 2025
Address: Floor 4, Hauppauge, NY 11743-
Company Name: FELDMAN, KRAMER & MONACO, P.C.
Law School: Touro University Jacob D. Fuchsberg Law Center
Year Admitted: 2025
Address: 1 Independence Hl, Farmingville, NY 11738-2145
Company Name: TOWN OF BROOKHAVEN LAW DEPARTMENT
Law School: Touro University Jacob D. Fuchsberg Law Center
Year Admitted: 2025
Address: 20 North Bridge St, Chambers 302, Somerville, NJ 08876-
Company Name: SOMERSET COUNTY COURTHOUSE
Law School: Touro University Jacob D. Fuchsberg Law Center
Year Admitted: 2025
Address: 350 Jay Street, 8th Floor, Brooklyn, NY 11201-
Company Name: OFFICE OF THE CORPORATION COUNSEL
Law School: Touro University Jacob D. Fuchsberg Law Center
Year Admitted: 2025
Address: 997 Waverly Ave, Holtsville, NY 11742-1136
Company Name: THE LAW OFFICE OF TOR JACOB WORSOE, JR.
Law School: Touro University Jacob D. Fuchsberg Law Center
Year Admitted: 2025
Address: 32 Jackson Ave, Hampton Bays, NY 11946-2036
Company Name: SUFFOLK COUNTY DISTRICT ATTORNEY
Law School: Touro University Jacob D. Fuchsberg Law Center
Year Admitted: 2025
Address: 400 Carleton Ave, Central Islip, NY 11722-4504
Company Name: THE SUFFOLK COUNTY ATTORNEY S OFFICE
Law School: Touro University Jacob D. Fuchsberg Law Center
Year Admitted: 2025
Address: 114 Old Country Rd, Mineola, NY 11501-4420
Company Name: SCHRODER AND STROM LLP
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Year Admitted: 2025
Address: 184 S 1st St, Lindenhurst, NY 11757-4956
Company Name: SAMMARTINO & SULTAN LAW GROUP
Law School: Touro University Jacob D. Fuchsberg Law Center
Year Admitted: 2025
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Location Information

Street Address 320 CARLETON AVE STE 2400
CityCENTRAL ISLIP
StateNY
Zip Code11722-4508

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Address: 320 Carleton Ave Ste 2400, Central Islip, NY 11722-4508
Company Name: LEGAL AID SOCIETY OF SUFFOLK COUNTY, INC.
Law School: TOURO
Year Admitted: 1991
Address: 320 Carleton Ave Ste 2400, Central Islip, NY 11722-4508
Company Name: THE SUFFOLK COUNTY LEGAL AID SOCIETY - FAMILY COURT BUREAU
Law School: City University of New York School of Law
Year Admitted: 1989
Address: 320 Carleton Ave Ste 2400, Central Islip, NY 11722-4508
Company Name: LEGAL AID SOCIETY OF SUFFOLK COUNTY, INC.
Law School: TOURO
Year Admitted: 1996
Address: 320 Carleton Ave Ste 2400, Central Islip, NY 11722-4508
Company Name: LEGAL AID SOCIETY OF SUFFOLK COUNTY, INC
Law School: TOURO
Year Admitted: 1997
Address: 320 Carleton Ave Ste 2400, Central Islip, NY 11722-4508
Company Name: LEGAL AID SOCIETY OF SUFFOLK COUNTY
Law School: CATHOLIC UNIVERSITY COLUMBUS SC
Year Admitted: 1999
Address: 320 Carleton Ave Ste 2400, Central Islip, NY 11722-4508
Company Name: SUFFOLK COUNTY LEGAL AID SOCIETY
Law School: Touro University Jacob D. Fuchsberg Law Center
Year Admitted: 2020

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Address: Long Island Criminal Division, 610 Federal Plaza, Central Islip, NY 11722-
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Year Admitted: 2006
Address: Suffolk County Legal Aid Society, 320 Carleton Avenue, Suite 2400, Central Islip, NY 11722-
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Year Admitted: 1992
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Address: Cohalan Court Complex, 400 Carleton Ave., 5th Floor, Central Islip, NY 11722-
Company Name: SUFFOLK COUNTY ATTORNEY'S OFFICE - FAMILY COURT/SOCIAL SERVICES BUREAU
Law School: TOURO COLLEGE JACOB D. FUCHSBERG LAW CENTER
Year Admitted: 2009
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Dataset Information

This dataset includes over 300 thousands attorneys registered with the Office of Court Administration (OCA), which oversees and administrates the New York State Unified Court System. Each attorney is registered with the registration number, full name, company name and address, phone number, email, year admitted, etc. The information provided is deemed public information pursuant to 22 NYCRR 118 (Rules of the Chief Administrative Judge).

SubjectTransparency and Disclosure
JurisdictionState of New York
Data ProviderOffice of Court Administration (OCA), New York State Unified Court System
Sourcedata.ny.gov

Dataset Details

According to Part 118 of the Administrative Rules of the Unified Court System & Uniform Rules of the Trial Courts, every attorney admitted to practice in New York Stat, whether resident or nonresident, and whether or not in good standing, shall file a registration statement with the Chief Administrator of the Courts within 60 days of the date of such admission, and during each alternate year thereafter, within 30 days after the attorney's birthday, for as long as the attorney remains duly admitted to the New York bar. Section 468-a of the NY Judiciary Law and 22 NYCRR Part 118 of the Rules of the Chief Administrator of the Courts require the biennial registration of all attorneys admitted in the State of New York, whether they are resident or non-resident, active or retired, or practicing law in New York or elsewhere. All attorneys are required to renew their attorney registration every two years, within 30 days after their birthday. Except for certain cases, the information contained in the registration statement filed shall be made available to the public.

This dataset includes all registered attorneys admitted in NYS, whether they are resident or non-resident, active or retired, or practicing law in NY or anywhere else. The disclosed information for each attorney includes Registration Number, First Name, Middle Name, Last Name, Suffix, Company Name, Street Address, City, County, Country, Business Telephone Number, Year Admitted to the NYS Bar, Judicial Department of Admission, Law School from which degree was granted, the registration status of the attorney, Next Registration month and year.

To give New Yorkers the access they deserve to government data and information, Governor Andrew M. Cuomo launched the Open NY initiative in March 2013 and signed Executive Order 95. It directs state agencies to identify, catalog, and publish their data on the state's open data website administered by the Office of Information Technology Services (ITS). Open NY increases transparency, improves government performance, empowers New Yorkers to participate in government, and encourages research and economic opportunities statewide.