Atty. David Gannon

Atty. David Gannon

David Gannon is a lawyer practicing medical malpractice, construction law, criminal law and 1 other area of law. David received a B.A. degree from Brooklyn College of the City University of New York in 1989, and has been licensed for 33 years.

New York New York 33 yrs experience 33 year
Call (332) 252-0090 Book Appointment

Construction Law & More Attorney · Serving New York, NY · 33+ Years Experience

Profile Summary

About David Gannon at a Glance

David Gannon is a Partner based in New York, New York, practicing at Ellenberg Gannon Henninger & Fitzmaurice, LLP. They have 33+ years of legal experience, licensed to practice since 1993. Their practice focuses on medical malpractice, criminal defense, construction, and insurance. Admitted to practice in New York (1993), U.S. District Court, Southern District of New York (2008), and U.S. District Court, Eastern District of New York (2008). Educated at Syracuse University (J.D., 1992) and Brooklyn College of the City University of New York (B.A. Economics, 1989). Active member of New York State Bar Association. Serves clients in New York, NY and the surrounding metropolitan area.

Attorney profile · Updated November 2026

About David Gannon

  • David Gannon is a lawyer practicing medical malpractice, construction law, criminal law and 1 other area of law
  • David received a B.A. degree from Brooklyn College of the City University of New York in 1989, and has been licensed for 33 years
  • David practices at Ellenberg Gannon Henninger & Fitzmaurice, LLP in New York, NY

Practice Areas Explained

David Gannon's Areas of Legal Practice

Each practice area below reflects the types of cases David Gannon handles, with a practical overview of what that area of law involves and how it may apply to your situation in New York.

Medical Malpractice in New York

Medical malpractice lawyers represent patients harmed by negligent doctors, hospitals, and other providers. Free case review, no fee unless you win.

David Gannon is one of 48,593 medical malpractice attorneys indexed nationally. Browse medical malpractice attorneys in New York →

Criminal Defense in New York

A criminal defense attorney protects your rights from arrest through trial. Find experienced lawyers handling DUI, drug, federal, theft, and violent-crime charges.

David Gannon is one of 212,605 criminal defense attorneys indexed nationally. Browse criminal defense attorneys in New York →

Construction Law in New York

David Gannon is one of 40,302 construction attorneys indexed nationally. Browse construction attorneys in New York →

Insurance Law in New York

Insurance attorneys for coverage disputes, bad faith claims, denied claims, and policy disputes.

David Gannon is one of 120,903 insurance attorneys indexed nationally. Browse insurance attorneys in New York →

Jurisdictional Context

Why Local Counsel Matters in New York

Practicing law in New York. Legal matters in New York are governed by state-specific rules of civil and criminal procedure, statutes of limitations, and substantive law. Cases originating in New York are typically filed in the local municipal court or the appropriate New York state district court, depending on subject matter and amount in controversy. An attorney licensed in New York brings working knowledge of local procedural deadlines, judicial practices in this venue, and the substantive law that applies to cases brought here. Out-of-state attorneys generally cannot represent clients in New York courts without local counsel or pro hac vice admission.

New York Courts and Legal Process

Choosing a New York-based attorney means your counsel already knows the local docketing timelines, preferred filing formats, and how individual judges typically rule on procedural motions — details that only come from practicing in this jurisdiction day after day. That local familiarity can translate to better strategy, faster filings, and fewer costly surprises.

Looking for additional New York attorneys? Browse all attorneys in New York or all attorneys in New York.

Frequently Asked

Common Questions About David Gannon

Where is David Gannon's law office located?
David Gannon's law practice is located in New York, New York. The firm is Ellenberg Gannon Henninger & Fitzmaurice, LLP. You can contact the office directly through this profile page.
What practice areas does David Gannon handle?
David Gannon focuses on medical malpractice, criminal defense, construction, insurance. Each practice area listed reflects experience handling cases of that type in New York.
How long has David Gannon practiced law?
David Gannon has 33+ years of legal experience and has been licensed since 1993.
Where did David Gannon go to law school?
David Gannon earned their education at (J.D., 1992); (B.A. Economics, 1989).
How can I contact David Gannon for a consultation?
You can contact David Gannon directly through this profile page. Click "Ask the Attorney" to submit a question, or "Schedule a Consultation" to book a meeting. Most claimed-profile attorneys respond within one business day.

Professional Profile

Why Clients in New York Choose David Gannon

Selecting an attorney is one of the most consequential decisions you can make when a legal matter arises. Below are the core qualities that distinguish David Gannon's practice in the field of medical malpractice, criminal defense, construction, and insurance.

Decade-Tested Legal Experience

David Gannon brings 33+ years of hands-on legal practice — enough to have navigated the recurring fact patterns, procedural traps, and negotiation dynamics that shape case outcomes.

Multi-State Bar Admission

Licensed in New York, U.S. District Court, Southern District of New York, and U.S. District Court, Eastern District of New York, David Gannon can represent clients in cases that span state lines or require counsel in multiple jurisdictions.

Broad Practice Area Coverage

Covering medical malpractice, criminal defense, and construction, David Gannon can address the full spectrum of a client's legal needs without requiring referrals to separate specialists for each issue.

Local Presence in New York

A New York-based practice means David Gannon attends hearings in the same courthouses, knows the local clerks, and understands the unwritten scheduling norms that affect every case filed here.

Case Types

Common Legal Issues David Gannon Handles in New York

Below is a representative sample of the types of matters David Gannon has experience with under New York law. If your situation involves one of these case categories, this attorney may be well positioned to help you understand your options.

Surgical error claims
Medical Malpractice
Misdiagnosis and delayed diagnosis
Medical Malpractice
Birth injury lawsuits
Medical Malpractice
Hospital negligence
Medical Malpractice

This list is illustrative, not exhaustive. Contact David Gannon directly to discuss the specifics of your situation.

Search Reference

How People Find David Gannon Online

Prospective clients searching for legal help in New York commonly use a combination of the attorney's name and their specific legal need. The following search terms frequently lead people to this profile and to attorneys like David Gannon.

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If any of the above matches what you searched for, you've found the right profile. Use the contact options at the top of this page to get in touch with David Gannon directly.

David Gannon's Practice Areas & Specializations

Education & Law School Background

J.D.
Syracuse University
- 1992
B.A. Economics
Brooklyn College of the City University of New York
- 1989

Bar Admissions & Licensed Jurisdictions

New York
Admitted: 1993
U.S. District Court, Southern District of New York
Admitted: 2008
U.S. District Court, Eastern District of New York
Admitted: 2008

Client Reviews & Ratings — David Gannon

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