New York attorney record · Judicial Dept 2
Mark David Birnbaum
Hofstra University alumna, admitted to the New York bar in 1977, registered office in Great Neck, NY. A half-lifetime's worth of status, address, and registration history on this record come straight from the NY Office of Court Administration.
- 1977
- Admitted
- 49
- Years in bar
- 1286160
- NY reg #
The record in one line
Mark David Birnbaum has spent 49 years on the register since admission in 1977, one of the longest-standing active practitioners the state bar carries at 92% tenure percentile.
- 49 yrs
- in active practice since admission
- Active
- current bar status: "Currently registered"
- Top 8%
- by tenure among active NY attorneys
- Law school
- Hofstra University
Data updated May 2026
What this profile tells you
Bar status & tenure
Mark David Birnbaum has carried New York bar registration 1286160 for the better part of a career, still active and in good standing. Registration is recorded within Judicial Department 2, the appellate division overseeing this attorney's home district.
Practice context & education
Practice address is listed under Mark D. Birnbaum, Attorney At Law, located in Great Neck, NY (Nassau County), ZIP 11021. Educational background: HOFSTRA UNIVERSITY.
State context & due diligence
Across a career spanning 49 years, Mark David Birnbaum has remained part of the New York bar's active cohort, a share of the register detailed further below.
Experience vs. the active New York bar
Mark David Birnbaum's 49 years since a 1977 admission places this record near the far edge of the statewide tenure curve below.
49 years on the New York bar
Years since admission, all currently-active NY attorneys
49 Top 8% higher than 92% of 284,296 active NY attorneys
Each bar is a band; taller bars hold more active NY attorneys. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.
Source NY Office of Court Administration, Attorney Registration · May 2026
How Mark compares to fellow Hofstra University alumni
Among the 1,546 Hofstra University graduates in the New York register, Mark David Birnbaum is longer-tenured than 99% - a school-cohort view of experience, alongside the statewide one above.
49 years vs. Hofstra University alumni
Years since admission - 1,546 NY-registered alumni of this school
49 Top 1% higher than 99% of 1,546 fellow alumni
Each bar is a band; taller bars hold more fellow alumni. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.
Source NY Office of Court Administration, Attorney Registration · May 2026
The 1977 admission class today
Of the 3,593 attorneys admitted to the New York bar in 1977, 51.3% are still "Currently registered" today, below the statewide average across all admission years.
Professional Details
- Status
- Currently registered
- Registration Number
- 1286160
- Year Admitted
- 1977 (49 yrs · veteran)
- Judicial Department
- 2
- Next Registration
- Sep 2026
Location & Contact
- Company
- Mark D. Birnbaum, Attorney At Law
- City
- Great Neck, NY
- County
- Nassau
- ZIP Code
- 11021
- Phone
- (516) 498-2900
Education
HOFSTRA UNIVERSITY
Status Distribution Across the New York Bar
Mark David Birnbaum's current status, "Currently registered", places this attorney in the 66.2% of the 429,620-attorney New York register currently marked active.
Full statewide breakdown & source note
Source: NY Office of Court Administration, Attorney Registrations. Status counts reflect the latest reporting cycle. Bar status confirms registration only; it does not imply competence, specialty fit, or freedom from complaints.
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Compare attorneys →Before you rely on this record
Mark David Birnbaum's "Currently registered" listing confirms bar standing only, it is a registration fact to verify, not a verdict on quality or competence.
Frequently Asked Questions
Where is Mark Birnbaum licensed?
Mark Birnbaum is licensed to practice law in New York.
When was Mark David Birnbaum admitted to the bar?
Mark David Birnbaum's admission to the New York bar dates back to 1977.
Where did Mark David Birnbaum go to law school?
Mark David Birnbaum attended HOFSTRA UNIVERSITY.
What company does Mark David Birnbaum work for?
Mark David Birnbaum is associated with Mark D. Birnbaum, Attorney At Law in Great Neck, NY.
Is Mark David Birnbaum in good standing?
Yes, Mark David Birnbaum holds active bar status ("Currently registered").
Sourced from the NY Office of Court Administration, informational only, not legal advice. Full disclosure.
Read our methodology - how this data is sourced, computed, and verified.