New York attorney record
Leslie Macdonald Ballantyne
Leslie Macdonald Ballantyne is an attorney registered with the NYS Office of Court Administration (OCA) Attorney Registration Unit under bar number 4019188, admitted in 2002. The current public license status is "Currently registered" as of 2026-06-13.
Active license with no disbarment or suspension of record.
The current license status of record is active, and no disbarment or suspension is reflected in the public record we hold.
A summary of the public record — not a rating of skill, not a recommendation, not legal advice.
Experience vs. active New York attorneys
State median: 20 yrs
24 yrs admitted — more experience than ~59% of active New York attorneys.
Years since admission, active New York attorneys with a published admission year (n = 333,133). This attorney's band is highlighted.
License & registration
| Full name | Leslie Macdonald Ballantyne |
|---|---|
| Bar / registration number | 4019188 |
| License status | Active official status of record: “Currently registered” |
| Admission year | 2002 |
| Law school | Harvard Law School |
| Business location | New York, NY |
| Firm | Memorial Sloan Kettering Cancer Center |
| Discipline standing | No disbarment or suspension is reflected in the current public status. Itemized disciplinary orders are not yet integrated for New York; see the official source for the full record. |
Federal court activity
Federal court activity has not been compiled for this attorney yet.
Source & last updated
Source: NYS Office of Court Administration (OCA) Attorney Registration Unit — official attorney record. As of 2026-06-13 (last roster ingest).
Frequently asked questions
Is Leslie Macdonald Ballantyne a licensed attorney in New York?
Leslie Macdonald Ballantyne is registered with the NYS Office of Court Administration (OCA) Attorney Registration Unit under bar number 4019188. The current public license status of record is "Currently registered" as of 2026-06-13.
Has Leslie Macdonald Ballantyne been disbarred or suspended?
No disbarment or suspension is reflected in Leslie Macdonald Ballantyne's current public license status of record per the NYS Office of Court Administration (OCA) Attorney Registration Unit.
What is Leslie Macdonald Ballantyne's bar number?
Leslie Macdonald Ballantyne's New York bar/registration number is 4019188, assigned by the NYS Office of Court Administration (OCA) Attorney Registration Unit. A bar number is the most reliable way to confirm you have the right attorney, especially for common names.
When was Leslie Macdonald Ballantyne admitted to practice law?
Leslie Macdonald Ballantyne was admitted in 2002 — about 24 years since admission per the NYS Office of Court Administration (OCA) Attorney Registration Unit. Law school of record: Harvard Law School.
Where is Leslie Macdonald Ballantyne's law office?
The NYS Office of Court Administration (OCA) Attorney Registration Unit record lists a business location of New York, NY and the firm Memorial Sloan Kettering Cancer Center for Leslie Macdonald Ballantyne. Phone and email are not published in the public roster.
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