New York attorney record · Judicial Dept 3
Louis Mark Heidelberger
Temple University Beasley School Of Law alumna, admitted to the New York bar in 2010, registered office in York, PA. This established record's status, address, and registration history come straight from the NY Office of Court Administration.
- 2010
- Admitted
- 16
- Years in bar
- 4763157
- NY reg #
The record in one line
Louis Mark Heidelberger has held an active New York bar license for 16 years - admitted in 2010, longer-tenured than 38% of the state's currently-active attorneys.
- 16 yrs
- in active practice since admission
- Active
- current bar status: "Currently registered"
- #10 of 14
- by tenure in York office peers
- Law school
- Temple University Beasley School Of Law
Data updated September 2026
What this profile tells you
Bar status & tenure
Louis Mark Heidelberger carries New York bar registration 4763157, an established, active practitioner in good standing. Registration is recorded within Judicial Department 3, the appellate division overseeing this attorney's home district.
Practice context & education
Practice address is listed under The Law Offices Of Louis M. Heidelberger, Esquire PLLC, located in York, PA, ZIP 17403. Educational background: Temple University Beasley School of Law (1,978 registered alumni).
State context & due diligence
With an established practice on record, Louis Mark Heidelberger remains inside the New York bar's active cohort - see below for how that share of the register compares.
Experience vs. the active New York bar
Louis Mark Heidelberger was admitted in 2010, giving 16 years on the New York register.
16 years on the New York bar
Years since admission, all currently-active NY attorneys
16 Top 62% higher than 38% of 290,787 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 · September 2026
Tenure among York, PA office peers
In the small York, PA cohort (14 with admission years), Louis Mark Heidelberger ranks #10 by tenure. See the York attorney directory .
- Local rank
- #10
- City cohort
- 14
- Local percentile
- 64th
- Admitted
- 2010
Nearest tenure peers in York
- Diana Rae Bieber Locke admitted 2007 · 19 yr
- Andrew Jacob Miller admitted 2013 · 13 yr
- Craig Andrew Rosen admitted 2006 · 20 yr
- Benjamin Craig Abrams admitted 2004 · 22 yr
How local rank is computed
Rank uses years since NY-bar admission among non-deceased registry rows that list the same office city and state, a local placement, not a statewide claim. Source: NY Office of Court Administration Attorney Registration · as of September 2026. Derived local rank, not published upstream.
How Louis compares to fellow Temple University Beasley School Of Law alumni
Among the 1,225 Temple University Beasley School Of Law graduates in the New York register, Louis Mark Heidelberger is longer-tenured than 43%.
16 years vs. Temple University Beasley School Of Law alumni
Years since admission - 1,225 NY-registered alumni of this school
16 Top 57% higher than 43% of 1,225 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 · September 2026
Temple University Beasley School Of Law's active-bar rate
Of Temple University Beasley School Of Law's 1,978 alumni in the New York register, 70.2% currently hold "Currently registered" status, above the statewide average.
The 2010 admission class today
Of the 10,128 attorneys admitted to the New York bar in 2010, 69.6% are still "Currently registered" today, above the statewide average across all admission years.
Professional Details
- Status
- Currently registered
- Registration Number
- 4763157
- Year Admitted
- 2010 (16 yrs · senior)
- Judicial Department
- 3
- Next Registration
- May 2028
Location & Contact
- Company
- The Law Offices Of Louis M. Heidelberger, Esquire PLLC
- City
- York, PA
- ZIP Code
- 17403
- Phone
- (215) 284-8910
Education
Status Distribution Across the New York Bar
Louis Mark Heidelberger's current status, "Currently registered", places this attorney in the 67.2% of the 432,625-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.
Near-tenure Temple University Beasley School Of Law alumni
Fellow alumni on the NY register whose admission year is closest to 2010 (excluding same-firm colleagues above).
Same admission year (2010), other cities
NY-registered attorneys admitted in 2010 whose listed office city differs from York, a vintage cohort, not a neighborhood list.
Nationwide attorneys with similar admission year or city registry density
Two non-geo peer axes for Louis Mark Heidelberger: closest NY bar admission year outside PA, and closest out-of-state office cities by how many NY-registered attorneys they list (~15 here). Distinct from same-firm, fellow-alumni, and same-year other-city strips above.
Similar admission year (~2010)
Counts come from the NY State Office of Court Administration registration extract; peers are not a competence or practice-area ranking.
Verify This Attorney
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Compare Louis Mark Heidelberger with similar attorneys in York.
Compare attorneys →Before you rely on this record
Louis Mark Heidelberger'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 Louis Heidelberger licensed?
Louis Heidelberger is licensed to practice law in New York.
When was Louis Mark Heidelberger admitted to the bar?
Louis Mark Heidelberger was admitted to the bar in 2010.
Where did Louis Mark Heidelberger go to law school?
Louis Mark Heidelberger attended Temple University Beasley School of Law.
What company does Louis Mark Heidelberger work for?
Louis Mark Heidelberger is associated with The Law Offices Of Louis M. Heidelberger, Esquire PLLC in York, PA.
Is Louis Mark Heidelberger in good standing?
Yes, Louis Mark Heidelberger holds active bar status ("Currently registered").
Cite this page & disclosure
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.