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An insufficient rebuttal
Medical Necessity

An insufficient rebuttal

By Jason Tenenbaum 4 min read

Key Takeaway

Bronx Mega Care v Federal: why the doctor's affirmation did not rebut an IME, the insurer's mailing proof, and the comparison with Westcan.

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.

Bronx Mega Care submitted a doctor’s affirmation, but that was not enough to defeat Federal Insurance’s medical-necessity motion. The Appellate Term found that the response did not meaningfully address the IME conclusions. The insurer had also established timely denial, and the complaint was dismissed.

Historical note — Last reviewed: September 2026. Bronx Mega Care, July 7, 2015, concerns inadequate medical opposition on that record; compare Westcan, decided six days later, where the treating doctor’s response did raise a factual dispute.

The insurer had two parts of its motion to establish

The Suffolk County District Court denied Federal’s motion. On appeal, the Appellate Term, Second Department, reversed and granted summary judgment dismissing the complaint.

A third-party claims adjuster described the office procedure for generating and mailing denial forms on Federal’s behalf. The court found that this established timely mailing of the NF-10 forms. Separately, the insurer submitted an affirmed report from the doctor who performed the IME. That report supplied a factual basis and medical rationale for finding the services unnecessary.

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The provider’s doctor’s affirmation did not sufficiently engage with the IME conclusions. The decision therefore turns on the insurer’s supported showing and the insufficiency of the response, not merely on the insurer having hired a doctor.

Jason’s question remains the useful one

The original July 2015 note asked:

What is the line between meaningfully refer to and not meaningfully referred?

The opinion identifies which side of that line this response fell on. It does not reproduce the doctor’s full affirmation or announce a mandatory format for all rebuttals. It would be inaccurate to invent missing clinical observations or claim the court rejected a particular sentence that the report does not quote.

A useful reading starts with the actual medical proposition in dispute. What did the examiner conclude? What reason supported it? What evidence in the response challenges that reason? Repeating that treatment was necessary does not, by itself, show how the opposing conclusion is wrong.

These are review questions, not an account of unreported details in Bronx Mega Care. The treating professional must supply the medical explanation from the actual records and examination history.

The contrasting Westcan result

In Westcan Chiropractic v Hertz, the insurer submitted a supported peer review, but a treating doctor’s affidavit answered its conclusions sufficiently to raise an issue of fact. The court denied the insurer’s motion.

Both opinions were issued in July 2015 by the Appellate Term serving the Ninth and Tenth Judicial Districts. Their different results do not establish conflicting rules merely because one provider won and another lost. The courts assessed different medical submissions.

Westcan is also not a rule giving treating doctors priority over IME doctors or peer reviewers. Its result depended on the response. Bronx Mega Care demonstrates that the label “doctor’s affirmation” does not establish sufficiency.

Do not confuse a medical dispute with a form defect

The Premier Health Choice note involved an unsworn doctor’s report and, independently, a failure to respond to the insurer’s medical findings. Bronx Mega Care involved an affirmation but still failed on substance.

Current CPLR 2106 provides a qualifying affirmation under penalties of perjury as an alternative to specified sworn statements. Compliance with that provision does not supply personal knowledge, expertise or medical reasoning that the statement lacks.

Likewise, counsel’s argument and a medical witness’s opinion perform different functions. Counsel can identify a legal defect or direct the court to evidence. An attorney’s assertion that care was medically necessary is not a substitute for competent medical proof where such proof is needed to answer the supported motion.

What the procedural stage changes

Bronx Mega Care was decided on summary judgment. The court did not hear competing doctors at a medical-necessity trial and then choose the more credible witness. Under CPLR 3212(b), a factual issue requiring trial can defeat a motion, while an insufficient response can leave a properly supported motion unrebutted.

The Metropolitan Diagnostic trial decision addresses the later credibility question. There the defense expert was qualified to testify, yet his testimony did not persuade the trial court. That result cannot be used as a shortcut to dismiss every IME or peer review on a motion.

For a provider or claims professional assessing the next step, these distinctions help identify what is missing: a legal argument, an admissible medical response, or evidence to present at trial. They do not guarantee that adding another document will change the outcome.

Keep denial timing in view

Federal’s mailing evidence mattered independently of the doctor’s report. In Five Boro Medical, the insurer obtained dismissal of some claims but not another whose denial appeared late. A supported medical opinion did not erase that timing issue.

Before treating Bronx Mega Care as controlling a new dispute, match the denial, service dates and medical report to the particular bills at issue. Then read the provider’s response against that report. The decision is valuable because it keeps the focus on the submitted proof, not because it supplies a universal script for denying or collecting a no-fault claim.

Connect to the Encyclopedia

The medical-necessity case directory connects this note with the archive’s report, rebuttal and trial decisions:

For review of a particular no-fault claim or motion record, contact the Law Office of Jason Tenenbaum, P.C. and read about our no-fault defense practice.

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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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.

Filed under: Medical Necessity
Jason Tenenbaum, Personal Injury Attorney serving Long Island, Nassau County and Suffolk County

Reviewed & Verified By

Jason Tenenbaum, Esq.

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

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