Atty. M. Brian O'Connor
Mr. O’Connor has been a member of the firm for 20 years.
Profile Summary
About M. Brian O'Connor at a glance
M. Brian O'Connor is a medical malpractice, litigation, health care, and insurance attorney based in Pittsburgh, Pennsylvania, practicing at Baum O’Connor Cullen Chmiel. They have 37+ years of legal experience, licensed to practice since 1989. Admitted to practice in Pennsylvania (1989) and District of Columbia (1991). Educated at Columbus School of Law (J.D., 1989) and John Carroll University (BA, 1986). Recognitions include Best Lawyers in America — Litigation - Health Care (2026), Best Lawyers in America — Litigation - Insurance (2026), and Best Lawyers in America — Medical Malpractice Law - Defendants (2026). Serands clients in Pittsburgh, PA and the surrounding metropolitan area.
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About
- Mr. O’Connor has been a member of the firm for 20 years
- His practice is devoted to the representation of physicians and hospitals in medical malpractice cases
- Brian also represents health care providers in litigation before the Pennsylvania State Board of Medicine
- Mr. O’Connor has tried over 45 jury trials on behalf of physicians and hospitals throughout the counties of Western Pennsylvania and the Federal District Court in Pittsburgh and Erie
- Mr. O’Connor has participated in numerous mediations and arbitrations in health care related litigation
Practice Areas Explained
M. Brian O'Connor's Areas of Practice
Each practice area below reflects the types of cases M. Brian O'Connor handles, with a brief overview of what that area of law covers.
Medical malpractice lawyers represent patients harmed by negligent doctors, hospitals, and other providers. Free case review, no fee unless you win.
M. Brian O'Connor is one of 49,086 medical malpractice attorneys indexed nationally. Browse medical malpractice attorneys in Pennsylvania →
Civil litigation attorneys for breach of contract, business disputes, civil rights, and class action lawsuits.
M. Brian O'Connor is one of 454,532 litigation attorneys indexed nationally. Browse litigation attorneys in Pennsylvania →
Health care attorneys for HIPAA, Medicare, Medicaid, regulatory compliance, and medical licensing matters.
M. Brian O'Connor is one of 66,735 health care attorneys indexed nationally. Browse health care attorneys in Pennsylvania →
Insurance attorneys for coverage disputes, bad faith claims, denied claims, and policy disputes.
M. Brian O'Connor is one of 121,912 insurance attorneys indexed nationally. Browse insurance attorneys in Pennsylvania →
Jurisdictional Context
Why local counsel matters in Pennsylvania
Practicing law in Pennsylvania. Legal matters in Pennsylvania are governed by state-specific rules of civil and criminal procedure, statutes of limitations, and substantive law. Cases originating in Pittsburgh are typically filed in the local municipal court or the appropriate Pennsylvania state district court, depending on subject matter and amount in controversy. An attorney licensed in Pennsylvania 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 Pennsylvania courts without local counsel or pro hac vice admission.
Looking for additional Pennsylvania attorneys? Browse all attorneys in Pittsburgh or all attorneys in Pennsylvania.
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