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Severance granted – reality is not a rosy
Severence

Severance granted – reality is not a rosy

By Jason Tenenbaum 8 min read

Key Takeaway

New York court grants severance in no-fault insurance case, separating 198 unrelated claims. Analysis of litigation strategy and costs in High Definition MRI v Mapfre Insurance.

This article is part of our ongoing severence coverage, with 9 published articles analyzing severence 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.

In New York no-fault insurance litigation, healthcare providers frequently consolidate multiple unrelated claims against a single insurance carrier into one lawsuit. This practice, while procedurally efficient for the plaintiff, creates significant joinder and severance issues that implicate fundamental principles of civil procedure. CPLR 603 governs the severance of claims and parties, authorizing courts to order separate trials or sever claims when justice requires.

The standards for severance in no-fault cases have been well-established through decades of Appellate Division jurisprudence. Courts examine whether the consolidated claims share common questions of law or fact sufficient to justify joint adjudication. When claims involve different assignors, different dates of service, different medical treatments, and different factual circumstances, they generally lack the commonality necessary for joinder. The mere fact that all claims are asserted against the same defendant insurance carrier does not create sufficient commonality.

Severance motions present strategic considerations for both parties. Insurance carriers seek severance to transform what appears to be a significant commercial litigation into multiple small-dollar collection actions. This strategy aims to discourage plaintiff’s counsel by increasing the time and expense required to prosecute each claim individually. Conversely, healthcare providers consolidate claims to achieve economies of scale, present a more substantial case to the court, and maintain leverage in potential settlement negotiations.

Case Background

High Definition MRI, P.C. v Mapfre Ins. Co. of N.Y., 2017 NY Slip Op 01800 (1st Dept. 2017) exemplifies the financial and strategic consequences of successful severance motions. High Definition MRI consolidated 198 separate no-fault claims into a single breach of contract action against Mapfre Insurance Company. The consolidated complaint sought to recover for unpaid medical services rendered to different patients on different dates spanning an extended time period.

Mapfre moved to sever the claims, arguing that each represented a distinct cause of action involving different assignors, different medical services, different denial letters, and different factual circumstances. The insurance carrier contended that no common issues of law or fact predominated across the 198 claims. High Definition MRI opposed severance, arguing that Mapfre’s anticipated defense of fraudulent incorporation created a common issue that affected all claims and justified consolidated adjudication.

The trial court granted Mapfre’s severance motion, and High Definition MRI appealed to the First Department seeking reversal of the severance order.

Jason Tenenbaum’s Analysis

“The court properly severed the breach of contract cause of action, since the 198 unrelated no-fault claims asserted therein raise no common issues of fact or law (see CPLR 603; Radiology Resource Network, P.C., v Fireman’s Fund Ins. Co., 12 AD3d 185 ). Plaintiff’s contention that the defense of fraudulent incorporation presents common factual and legal issues that predominate is unavailing, since defendant has made clear that it does not intend to pursue that defense”

So two things are going to happen here. First, Plaintiff walks away because they thought this would be a commercial action as opposed to a no-fault collection action and their shoes are too “white” to get sullied by a collections action. Second, Mapfre gets slaughtered in interest (let alone legal fees from their counsel) because cases in Civil New York go nowhere very slowly. By time these cases are final for trial and there is a judge ready to hear the cases, the interest factor will be at 300%. Add in hourly attorneys fees and who is the winner here? The expression is so true: Win the battle, lose the ____?

The First Department’s decision reinforces the principle that healthcare providers cannot manufacture commonality through strategic pleading. The court’s rejection of the fraudulent incorporation argument is particularly instructive. Even when a defendant initially asserts a defense that would apply uniformly to all consolidated claims, if the defendant subsequently abandons that defense, it cannot serve as a basis for denying severance.

This holding places the burden on plaintiffs to identify genuine common issues at the time of the severance motion, not merely potential defenses that the defendant might raise. The decision also suggests that courts will scrutinize defendants’ litigation positions to determine whether claimed defenses are genuinely in play or merely hypothetical.

The case further clarifies that claims against the same insurance carrier, standing alone, do not satisfy CPLR 603’s commonality requirement. Each no-fault claim arises from a distinct contractual relationship between the insurer and a specific assignor, involves discrete medical services, and presents individualized questions about medical necessity, causation, and the validity of specific denials. These individualized issues predominate over any common questions about the defendant’s general claims handling practices.

Practical Implications

For insurance carriers defending consolidated no-fault actions, High Definition MRI provides a clear framework for seeking severance. Carriers should identify the distinct factual and legal issues presented by each claim, emphasize the lack of common proof, and clarify which defenses will actually be pursued at trial. Courts are particularly receptive to severance motions when the consolidated action includes dozens or hundreds of unrelated claims.

For healthcare providers, the decision illustrates the risks of over-consolidation. While joining multiple claims in a single action offers procedural efficiency, it exposes the provider to severance motions that can fundamentally alter the litigation landscape. Providers must carefully assess whether the claims truly share sufficient commonality to withstand severance scrutiny.

The decision also highlights the economic realities underlying no-fault litigation strategy. As counsel correctly observes, severed small-dollar claims in New York Civil Court can languish for years due to calendar congestion. During this period, statutory interest continues to accrue at nine percent per annum under CPLR 5004. While this benefits the ultimately successful plaintiff, it also means that the defendant carrier incurs substantial additional exposure, including both mounting interest obligations and ongoing legal fees for defending multiple severed actions. Neither party truly “wins” when litigation extends for years over relatively modest principal amounts.

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.

Common Questions

Frequently Asked Questions

What is severance in New York civil litigation?

Severance under CPLR 603 separates claims or parties into independent actions for trial. Courts may order severance when claims involve different factual or legal issues that would confuse the jury, or when trying them together would be prejudicial to one party.

When will a court grant a motion to sever claims?

Courts consider whether the claims share common questions of law or fact, whether severance would promote judicial efficiency, and whether joinder would prejudice any party. In personal injury cases, severance of liability and damages trials is common.

What is the difference between severance and bifurcation?

Severance creates separate independent actions, while bifurcation splits a single action into separate trials (typically liability and damages). Bifurcation under CPLR 603 keeps the case as one action but tries issues separately, which is common in personal injury cases on Long Island.

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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 severence 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.

Filed under: Severence
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 Severence Law

New York has a unique legal landscape that affects how severence 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 severence 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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