Atty. John Patrick O'Sullivan

Atty. John Patrick O'Sullivan

John Patrick O'Sullivan is a lawyer practicing healthcare and risk management, medical liability defense. John received a B.A. degree from New York University in 1984, and has been licensed for 39 years.

New York New York 39 J. Erfahrung 39 year
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Profile Summary

About John Patrick O'Sullivan at a glance

John Patrick O'Sullivan is a health care attorney based in New York, New York. They have 39+ years of legal experience, licensed to practice since 1987. Admitted to practice in New York United States District Court, District of New Jersey United States District Court, Southern (1987). Educated at Brooklyn Law School (J.D., 1987) and New York University (B.A., 1984). Serands clients in New York, NY and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

Über uns

  • John Patrick O'Sullivan is a lawyer practicing healthcare and risk management, medical liability defense
  • John received a B.A. degree from New York University in 1984, and has been licensed for 39 years
  • John practices in New York, NY

Practice Areas Explained

John Patrick O'Sullivan's Areas of Practice

Each practice area below reflects the types of cases John Patrick O'Sullivan handles, with a brief overview of what that area of law covers.

Health Care Law

Health care attorneys for HIPAA, Medicare, Medicaid, regulatory compliance, and medical licensing matters.

John Patrick O'Sullivan is one of 66,735 health care attorneys indexed nationally. Browse health care 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 andnue, 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.

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

Frequently Asked

Common questions about John Patrick O'Sullivan

Where is John Patrick O'Sullivan's law office located?
John Patrick O'Sullivan's law practice is located in New York, New York. You can contact the office directly through this profile page.
What practice areas does John Patrick O'Sullivan handle?
John Patrick O'Sullivan focuses on health care. Each practice area listed reflects experience handling cases of that type in New York.
How long has John Patrick O'Sullivan practiced law?
John Patrick O'Sullivan has 39+ years of legal experience and has been licensed since 1987.
Where did John Patrick O'Sullivan go to law school?
John Patrick O'Sullivan earned their education at (J.D., 1987); (B.A., 1984).
How can I contact John Patrick O'Sullivan for a consultation?
You can contact John Patrick O'Sullivan 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.

Education

J.D.
Brooklyn Law School
- 1987
B.A.
New York University
- 1984

Bar Admissions

New York United States District Court, District of New Jersey United States District Court, Southern
Admitted: 1987

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