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

Denis A. Engel

Currently registered

Denis A. Engel is an attorney admitted to the New York State Bar in 1994, with a registered practice address in Woodbury, New York. According to the New York Office of Court Administration, the current registration status on record is Currently registered.

Registration number2613321
Bar statusCurrently registered
Year admitted1994
Judicial departmentDepartment 2
Law schoolSt Johns
Practice cityWoodbury, NY
CountyNassau
Firm / organizationColleran O'Hara & Mills L.L.P.
Office address100 Crossways Park Dr W Ste 200, Woodbury, NY, 11797
Phone(516) 248-5757
Next registration dueAug 2026

About Colleran, O'Hara & Mills L.L.P.

Colleran, O'Hara & Mills L.L.P. describes its history as beginning in 1963 under Richard L. O'Hara. Its clients have included labor organizations, their related fringe benefit funds, and individual union members. The firm's main area is labor law, which its website characterizes as covering relations between labor and management and internal union matters. It also handles ERISA work for Taft-Hartley employee benefit plans, and it emphasizes arbitration in contract enforcement.

Practice areas of Colleran, O'Hara & Mills L.L.P.:

Employment & Labor Arbitration & Mediation

These are the practice areas the organization describes on its website. They are not a statement about Denis A. Engel’s own practice or any specialty certification.

View the Colleran, O'Hara & Mills L.L.P. profile and its 11 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 Denis A. Engel, 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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