Av. Bill Gianaris
Bill is a trial attorney who has litigated and tried numerous high-exposure cases in the fields of medical malpractice and general liability. He draws from his more than 20 years of experience in the area of medical malpractice defense to assist clients in achieving optimal outcomes.
Profile Summary
About Bill Gianaris at a glance
Bill Gianaris is an Attorney based in Purchase, New York, practicing at Marshall Dennehey. They have 38+ years of legal experience, licensed to practice since 1988. Their practice focuses on medical malpractice, personal injury, litigation, elder law, and health care. Admitted to practice in New York (1988), U.S. District Court Eastern District of New York (1989), U.S. District Court Southern District of New York (1989), and District of Columbia (1991). Educated at Fordham University School of Law (J.D. New, 1988) and Fordham University (B.A., 1985). Recognitions include BV Distinguished. Active member of Associations & memberships Hellenic Lawyers Association, Board Member 1998-present President 1994-1998. Serands clients in Purchase, NY and the surrounding metropolitan area.
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Hakkında
- Bill is a trial attorney who has litigated and tried numerous high-exposure cases in the fields of medical malpractice and general liability
- He draws from his more than 20 years of experience in the area of medical malpractice defense to assist clients in achieving optimal outcomes
- As Managing Attorney and Casualty Supervisor, Bill oversees the daily operations of the office, including the supervision, mentorship, and performance management of legal and support staff
- In addition to his managerial responsibilities, he ensures that all casualty matters are handled promptly, professionally, and effectively by the team of attorneys
- Bill has successfully defended a broad range of cases, including obstetrical, gynecological, surgical, oncological, pediatric, orthopedic, urologic, neurologic, gastrointestinal, psychiatric, ophthalmologic, emergency medicine, dental, podiatric and nursing
- He has also represented health care providers in disciplinary hearings
- Bill effectively defends clients from the inception of the case, laying the groundwork for success through motion practice, settlement and trial
- Prior to focusing his practice on medical malpractice defense, Bill worked as an Assistant District Attorney in Queens County in various bureaus, including Homicide/Investigations, Organized Crime, Appeals, Supreme Court Trial, and also as Chief of the Airport Investigations Unit
- As an Assistant District Attorney, Bill tried numerous cases, argued appeals before the Appellate Division, and oversaw complex criminal investigations involving airport cargo theft and organized crime
- He regularly lectured at training and education programs at the National Cargo Security Council, the Global Maritime Transportation School and the United States Merchant Marine Academy
- He has also lectured before hospital staff regarding the defense of medical malpractice actions
- In addition to his firm responsibilities, Bill also serves as an Administrative Law Judge in Westchester County
- Honors & Awards •New York Metro Super Lawyer (2013-2014; 2017; 2021) News Marshall Dennehey’s Bill Gianaris Named Managing Attorney of the Firm’s Westchester County, NY Office April 23, 2025
Practice Areas Explained
Bill Gianaris's Areas of Practice
Each practice area below reflects the types of cases Bill Gianaris 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.
Bill Gianaris is one of 49,086 medical malpractice attorneys indexed nationally. Browse medical malpractice attorneys in New York →
Personal injury attorneys help accident victims recover compensation for medical bills, lost wages, and pain & suffering. Most work on contingency — no fee unless you win.
Bill Gianaris is one of 264,852 personal injury attorneys indexed nationally. Browse personal injury attorneys in New York →
Civil litigation attorneys for breach of contract, business disputes, civil rights, and class action lawsuits.
Bill Gianaris is one of 454,532 litigation attorneys indexed nationally. Browse litigation attorneys in New York →
Elder law attorneys for Medicaid planning, long-term care, guardianship, conservatorship, and elder abuse.
Bill Gianaris is one of 53,430 elder law attorneys indexed nationally. Browse elder law attorneys in New York →
Health care attorneys for HIPAA, Medicare, Medicaid, regulatory compliance, and medical licensing matters.
Bill Gianaris 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 Purchase 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 Purchase or all attorneys in New York.
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