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A minus v. Mercury
Medical Necessity

A minus v. Mercury

By Jason Tenenbaum 8 min read

Key Takeaway

New York appellate court inconsistencies in no-fault insurance cases affecting venue selection and case outcomes for Long Island residents.

This article is part of our ongoing medical necessity coverage, with 170 published articles analyzing medical necessity issues across New York State. Attorney Jason Tenenbaum brings 24+ years of hands-on experience to this analysis, drawing from his work on more than 1,000 appeals, over 100,000 no-fault cases, and recovery of over $100 million for clients throughout Nassau County, Suffolk County, Queens, Brooklyn, Manhattan, and the Bronx. For personalized legal advice about how these principles apply to your specific situation, contact our Long Island office at (516) 750-0595 for a free consultation.

Understanding Appellate Court Challenges in No-Fault Insurance Cases

No-fault insurance litigation in New York’s courts often presents complex jurisdictional challenges that can significantly impact case outcomes. For residents of Long Island and New York City dealing with insurance disputes, understanding how appellate courts handle these matters is crucial for protecting your rights and maximizing your recovery.

The A minus v. Mercury Case: Appellate Inconsistency

I can’t comment much on this matter, but if you read the record on appeal in this matter and the record on appeal in the matter of CPT v. NYCM, then you will see that the Appellate Term, First Department, is having trouble figuring out how to resolve an issue that the Appellate Term, Second Department resolved 2 years ago in A Khodadadi Radiology, P.C. v NY Cent. Mut. Fire Ins. Co****.****, 16 Misc 3d 131(A)(App. Term 2d Dept. 2007).

Lastly, this case only gives a Plaintiff more of a reason to file his or her cases in the Bronx.

Why Appellate Department Differences Matter for Long Island Residents

The inconsistency between New York’s First and Second Appellate Departments creates significant strategic considerations for personal injury and no-fault insurance cases. For Long Island residents, this often means carefully considering venue selection, as different courts may interpret identical legal issues differently.

The Second Department, which covers Nassau and Suffolk Counties, had already established precedent in the Khodadadi case two years prior to the First Department’s struggle with the same issue. This type of jurisdictional inconsistency can leave injured parties and healthcare providers uncertain about their rights and potential recovery.

Strategic Venue Considerations

When facing insurance carriers who deny legitimate claims, venue selection becomes a critical factor. The Bronx jurisdiction mentioned in this analysis often provides more favorable outcomes for plaintiffs in insurance disputes. This is particularly relevant for Long Island residents who may have options about where to file their cases.

Common Issues in No-Fault Insurance Appeals

Appellate courts frequently encounter several recurring issues in no-fault insurance cases:

  • Medical necessity determinations – Whether treatment was medically necessary and properly documented
  • Proper notice requirements – Ensuring all parties received appropriate notice of claims and proceedings
  • Evidence sufficiency – Whether medical evidence meets the court’s standards for supporting claims
  • Procedural compliance – Following proper procedures for claim submissions and appeals

Impact on Healthcare Providers and Patients

These appellate inconsistencies particularly affect healthcare providers treating accident victims and the patients themselves. When courts in different departments interpret the same law differently, it creates uncertainty about reimbursement and coverage decisions.

For accident victims in Nassau and Suffolk Counties, this means working with experienced legal counsel who understands both the local court preferences and the broader appellate landscape becomes essential for successful claim resolution.

Frequently Asked Questions

Appellate departments operate independently and may interpret statutory language or case precedent differently. Until the Court of Appeals (New York’s highest court) resolves the conflict, these differences can persist and affect case outcomes.

How does venue selection affect my no-fault insurance case?

Different courts and jurisdictions may have varying track records on similar cases. Experienced attorneys consider factors like local court tendencies, applicable precedents, and procedural advantages when selecting venue.

What should I do if my no-fault claim involves appellate issues?

Complex appellate matters require experienced legal representation. Document all communications with insurance carriers, maintain complete medical records, and consult with an attorney familiar with appellate practice in no-fault cases.

How long do appellate proceedings typically take?

Appellate cases can take anywhere from several months to over a year, depending on court schedules, case complexity, and whether further appeals are pursued. Having experienced counsel helps navigate these timelines effectively.

Protecting Your Rights in Complex Insurance Cases

When dealing with appellate-level insurance disputes, having knowledgeable legal representation becomes even more critical. The Law Office of Jason Tenenbaum understands the nuances of New York’s appellate system and how jurisdictional differences can impact your case.

We work with clients throughout Nassau and Suffolk Counties to navigate complex no-fault insurance disputes, ensuring proper documentation, strategic venue selection, and aggressive advocacy for maximum recovery.

If you’re facing an insurance dispute that may involve appellate issues, don’t wait. Contact our office today at 516-750-0595 for a consultation. Our experience with appellate practice in no-fault cases helps ensure your rights are protected at every level of the court system.


Legal Update (February 2026): Since this 2009 post, New York’s no-fault insurance regulations have undergone significant amendments, including updates to medical fee schedules, prior authorization requirements, and appellate procedure rules. The jurisdictional considerations and appellate department precedents discussed may have been superseded by subsequent court decisions or regulatory changes. Practitioners should verify current provisions of Insurance Law Article 51 and applicable fee schedules before relying on the jurisdictional strategies mentioned in this analysis.

Legal Context

Why This Matters for Your Case

New York law is among the most complex and nuanced in the country, with distinct procedural rules, substantive doctrines, and court systems that differ significantly from other jurisdictions. The Civil Practice Law and Rules (CPLR) governs every stage of civil litigation, from service of process through trial and appeal. The Appellate Division, Appellate Term, and Court of Appeals create a rich and ever-evolving body of case law that practitioners must follow.

Attorney Jason Tenenbaum has practiced across these areas for over 24 years, writing more than 1,000 appellate briefs and publishing over 2,353 legal articles that attorneys and clients rely on for guidance. The analysis in this article reflects real courtroom experience — from motion practice in Civil Court and Supreme Court to oral arguments before the Appellate Division — and a deep understanding of how New York courts actually apply the law in practice.

About This Topic

Medical Necessity Disputes in No-Fault Insurance

Medical necessity is the most common basis for no-fault claim denials in New York. Insurers hire peer reviewers to opine that treatment was not medically necessary, shifting the burden to providers and claimants to demonstrate otherwise. The legal standards for establishing and rebutting medical necessity — including the sufficiency of peer review reports, the qualifications of reviewing physicians, and the evidentiary burdens at arbitration and trial — are the subject of extensive case law. These articles provide detailed analysis of medical necessity litigation strategies and court decisions.

170 published articles in Medical Necessity

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Attorney Jason Tenenbaum

About the Author

Jason Tenenbaum, Esq.

Jason Tenenbaum is the founding attorney of the Law Office of Jason Tenenbaum, P.C., headquartered at 326 Walt Whitman Road, Suite C, Huntington Station, New York 11746. With over 24 years of experience since founding the firm in 2002, Jason has written more than 1,000 appeals, handled over 100,000 no-fault insurance cases, and recovered over $100 million for clients across Long Island, Nassau County, Suffolk County, Queens, Brooklyn, Manhattan, the Bronx, and Staten Island. He is one of the few attorneys in the state who both writes his own appellate briefs and tries his own cases.

Jason is admitted to practice in New York, New Jersey, Florida, Texas, Georgia, and Michigan state courts, as well as multiple federal courts. His 2,353+ published legal articles analyzing New York case law, procedural developments, and litigation strategy make him one of the most prolific legal commentators in the state. He earned his Juris Doctor from Syracuse University College of Law.

24+ years in practice 1,000+ appeals written 100K+ no-fault cases $100M+ recovered

Disclaimer: This article is published by the Law Office of Jason Tenenbaum, P.C. for informational and educational purposes only. It does not constitute legal advice, and no attorney-client relationship is formed by reading this content. The legal principles discussed may not apply to your specific situation, and the law may have changed since this article was last updated.

New York law varies by jurisdiction — court decisions in one Appellate Division department may not be followed in another, and local court rules in Nassau County Supreme Court differ from those in Suffolk County Supreme Court, Kings County Civil Court, or Queens County Supreme Court. The Appellate Division, Second Department (which covers Long Island, Brooklyn, Queens, and Staten Island) and the Appellate Term (which hears appeals from lower courts) each have distinct procedural requirements and precedents that affect litigation strategy.

If you need legal help with a medical necessity matter, contact our office at (516) 750-0595 for a free consultation. We serve clients throughout Long Island (Huntington, Babylon, Islip, Brookhaven, Smithtown, Riverhead, Southampton, East Hampton), Nassau County (Hempstead, Garden City, Mineola, Great Neck, Manhasset, Freeport, Long Beach, Rockville Centre, Valley Stream, Westbury, Hicksville, Massapequa), Suffolk County (Hauppauge, Deer Park, Bay Shore, Central Islip, Patchogue, Brentwood), Queens, Brooklyn, Manhattan, the Bronx, Staten Island, and Westchester County. Prior results do not guarantee a similar outcome.

Jason Tenenbaum, Personal Injury Attorney serving Long Island, Nassau County and Suffolk County

About the Author

Jason Tenenbaum

Jason Tenenbaum is a personal injury attorney serving Long Island, Nassau & Suffolk Counties, and New York City. Admitted to practice in NY, NJ, FL, TX, GA, MI, and Federal courts, Jason is one of the few attorneys who writes his own appeals and tries his own cases. Since 2002, he has authored over 2,353 articles on no-fault insurance law, personal injury, and employment law — a resource other attorneys rely on to stay current on New York appellate decisions.

Education
Syracuse University College of Law
Experience
24+ Years
Articles
2,353+ Published
Licensed In
7 States + Federal

Legal Resources

Understanding New York Medical Necessity Law

New York has a unique legal landscape that affects how medical necessity cases are litigated and resolved. The state's court system includes the Civil Court (for claims up to $25,000), the Supreme Court (the primary trial court for unlimited jurisdiction), the Appellate Term (which hears appeals from lower courts), the Appellate Division (divided into four Departments, with the Second Department covering Long Island, Brooklyn, Queens, Staten Island, and several upstate counties), and the Court of Appeals (the state's highest court). Each court has its own procedural requirements, local rules, and case-assignment practices that can significantly impact the outcome of your case.

For medical necessity matters on Long Island, cases are typically filed in Nassau County Supreme Court (at the courthouse in Mineola) or Suffolk County Supreme Court (in Riverhead). No-fault arbitrations are heard through the American Arbitration Association, which assigns arbitrators throughout the metropolitan area. Workers' compensation claims go to the Workers' Compensation Board, with hearings at district offices across the state. Understanding which forum is appropriate for your case — and the specific procedural rules that apply — is essential for a successful outcome.

The procedural landscape in New York also includes important timing requirements that can affect your case. Most civil actions are subject to statutes of limitations ranging from one year (for intentional torts and claims against municipalities) to six years (for contract actions). Personal injury cases generally have a three-year deadline under CPLR 214(5), while medical malpractice claims must be filed within two and a half years under CPLR 214-a. No-fault insurance claims have their own regulatory deadlines, including 30-day filing requirements for applications and 45-day deadlines for provider claims. Understanding and complying with these deadlines is critical — missing a filing deadline can permanently bar your claim, regardless of how strong your case may be on the merits.

Attorney Jason Tenenbaum regularly practices in all of these venues. His office at 326 Walt Whitman Road, Suite C, Huntington Station, NY 11746, is centrally located on Long Island, providing convenient access to courts and offices throughout Nassau County, Suffolk County, and New York City. Whether you need representation in a no-fault arbitration, a personal injury trial, an employment discrimination hearing, or an appeal to the Appellate Division, the Law Office of Jason Tenenbaum, P.C. brings $24+ years of real courtroom experience to your case. If you have questions about the legal issues discussed in this article, call (516) 750-0595 for a free, no-obligation consultation.

New York's substantive law also presents distinct challenges. In motor vehicle cases, the no-fault system under Insurance Law Article 51 provides first-party benefits regardless of fault, but limits the right to sue for non-economic damages unless the plaintiff establishes a "serious injury" under one of nine statutory categories. This threshold — codified at Insurance Law Section 5102(d) — requires medical evidence showing more than a minor or subjective injury, and courts have developed detailed standards for each category. Fractures must be documented through imaging studies. Claims of permanent consequential limitation or significant limitation of use require quantified range-of-motion testing with comparison to norms. The 90/180-day category demands proof that the plaintiff was unable to perform substantially all of their usual daily activities for at least 90 of the 180 days following the accident.

In employment discrimination cases, the legal standards vary depending on whether the claim arises under state or local law. The New York State Human Rights Law employs a burden-shifting framework: the plaintiff must first establish a prima facie case by showing membership in a protected class, qualification for the position, an adverse employment action, and circumstances giving rise to an inference of discrimination. The burden then shifts to the employer to articulate a legitimate, non-discriminatory reason for its decision. If the employer meets this burden, the plaintiff must demonstrate that the stated reason is pretextual. The New York City Human Rights Law, by contrast, applies a broader standard, asking whether the plaintiff was treated less well than other employees because of a protected characteristic.

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