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

Gavin Francis O'Brien

Currently registered

Gavin Francis O'Brien is an attorney admitted to the New York State Bar in 2022, with a registered practice address in Islandia, New York. According to the New York Office of Court Administration, the current registration status on record is Currently registered.

Registration number5993340
Bar statusCurrently registered
Year admitted2022
Judicial departmentDepartment 2
Law schoolSt. Johns University School of Law
Practice cityIslandia, NY
CountySuffolk
Firm / organizationLewis Johs Avallone Aviles, Llp
Office address1377 Motor Pkwy Ste 400 # 400, Islandia, NY, 11749
Phone(631) 755-0101
Next registration dueDec 2026

About Lewis Johs Avallone Aviles, LLP

Lewis Johs Avallone Aviles, LLP is a New York law firm founded in 1993 that describes itself as a full-service firm. Its published practice descriptions cover litigation and trial work, transactional matters, real estate, corporate, and appellate work for private clients, insurers, hospitals, banks, and municipalities. Listed matters range from automobile negligence and product liability to medical, nursing home, Labor Law, and environmental litigation, as well as commercial disputes and business formations, governance, and mergers.

Practice areas of Lewis Johs Avallone Aviles, LLP:

Appeals Commercial Litigation Construction Corporate & M&A Criminal Defense Elder Law Employment & Labor Environmental Insurance Medical Malpractice Personal Injury Real Estate Trusts & Estates

These are the practice areas the organization describes on its website. They are not a statement about Gavin Francis O'Brien’s own practice or any specialty certification.

View the Lewis Johs Avallone Aviles, LLP profile and its 59 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 Gavin Francis O'Brien, 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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