Dennis Sean Heffernan

33 years of practiceLicensed in New YorkBaxter & Smith, Hicksville

33 years in practice
First admitted in 1993
  1. 1993 Admitted, New York

Overview

Dennis Sean Heffernan is an attorney admitted in New York (since 1993), based in Hicksville, NY.

This profile is built from public bar records and shows only what those records contain. Dennis has not written or endorsed anything on this page.

Jurisdictions admitted

JurisdictionAdmittedBar numberStatus
New York1993#2539039Active

Education

  • St. John's University School of LawLaw school, per the bar record

Contact and offices

Baxter & Smith

99 N Broadway
Hicksville, NY 11801

The address and number above come from the attorney's public bar registration, which can lag a recent move. Confirm before visiting.

Sources for this profile: the New York State attorney registration file. License status can change; check the bar's own record for the current status before hiring. Updated July 12, 2026.