Colleen Creegan McMahon

26 years of practiceLicensed in New YorkNorthwell Health, Inc, New Hyde Park

26 years in practice
First admitted in 2000
  1. 2000 Admitted, New York

Overview

Colleen Creegan McMahon is an attorney admitted in New York (since 2000), based in New Hyde Park, NY.

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

Jurisdictions admitted

JurisdictionAdmittedBar numberStatus
New York2000#3019577Active

Education

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

Contact and offices

Northwell Health, Inc

2000 Marcus Ave
New Hyde Park, NY 11042

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.