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Why Poorly Drafted Medical Affidavits Fail Against Insurance Medical Necessity Motions
Medical Necessity

Why Poorly Drafted Medical Affidavits Fail Against Insurance Medical Necessity Motions

By Jason Tenenbaum 9 min read

Key Takeaway

GZ Medical addresses inadequate medical opposition and a failed CPLR 3212(f) request. Identify missing facts, clinical reasoning and motion deadlines.

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.

Last reviewed: September 2026.

Why Poorly Drafted Medical Affidavits Fail Against Insurance Medical Necessity Motions

In the complex world of New York no-fault insurance litigation, particularly across Long Island and the greater New York City metropolitan area, healthcare providers face increasingly sophisticated challenges from insurance carriers. One of the most critical battlegrounds involves medical necessity summary judgment motions, where the quality of your medical opposition can make or break your case.

At the Law Office of Jason Tenenbaum, we’ve represented countless healthcare providers throughout Nassau County, Suffolk County, Queens, Brooklyn, Manhattan, the Bronx, and Staten Island in these high-stakes battles. Our experience has shown that the difference between success and failure often comes down to the quality and precision of the medical affidavits submitted in opposition to insurance carriers’ motions.

The Case That Illustrates the Problem

Jason’s original observation from March 2010:

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My medical necessity summary judgment crusade continues.

Gz Med. & Diagnostic, P.C. v Mercury Ins. Co., 2010 NY Slip Op 50491(U)(App. Term 2d Dept. 2010)

We have seen this before: “In opposition to the motion, plaintiff failed to raise a triable issue of fact. Contrary to the finding of the Civil Court, the affirmation of plaintiff’s doctor did not meaningfully refer to, let alone rebut, the conclusions set forth in the peer review report (id.; see also Innovative Chiropractic, P.C. v Mercury Ins. Co., 25 Misc 3d 137, 2009 NY Slip Op 52321 ).”

Besides this case and those like it, I would say that the plaintiffs are getting better at defeating these types of motions. This only makes sense. I mean, in a similar vain, would it make sense after 3-4 years of losing cases based upon the “mailing” issue, for carriers not to figure out how to craft procedures and draft affidavits that would raise the inference that an item was mailed?

As I have also said before, however, the Appellate Term recently gave two free passes, on medical necessity summary judgment motion, to firms that should be eternally grateful that the contents of their papers were not exposed.

Understanding Medical Necessity Summary Judgment Motions in New York

For healthcare providers serving patients across Long Island and New York City, understanding the mechanics of medical necessity challenges is crucial for practice sustainability. Insurance carriers have become increasingly aggressive in their use of peer review reports to challenge the medical necessity of treatments, particularly in high-volume specialties like chiropractic care, acupuncture, and diagnostic imaging.

The Evolution of Carrier Strategy

Over the past decade, we’ve witnessed a significant evolution in how insurance carriers approach medical necessity denials. What started as relatively straightforward challenges has evolved into sophisticated legal strategies backed by carefully crafted peer review reports and meticulously planned summary judgment motions.

Insurance carriers have learned from their early mistakes. Just as they adapted their procedures to address “mailing” issues in claims processing, they’ve now developed more sophisticated approaches to medical necessity challenges that make them increasingly difficult to defeat without equally sophisticated opposition.

The Critical Importance of Quality Medical Opposition

For medical practices throughout Nassau and Suffolk Counties, as well as the five boroughs, the stakes couldn’t be higher. A successful medical necessity summary judgment motion by an insurance carrier can result in significant financial losses and, potentially, a precedent that affects future cases.

What Makes an Affidavit “Poorly Drafted”?

Based on our extensive experience defending healthcare providers against these motions, we’ve identified several common characteristics of ineffective medical affidavits:

  • Generic responses that fail to address specific peer review findings
  • Conclusory statements without supporting medical reasoning
  • Failure to engage with the carrier’s medical expert’s specific conclusions
  • Insufficient medical foundation for the treating physician’s opinions
  • Lack of specificity regarding the patient’s particular condition and treatment needs
  • Inadequate explanation of how the treatment relates to the underlying accident

The Standard for Effective Medical Opposition

Once the insurer establishes entitlement to summary judgment, the provider must submit evidence raising a triable issue on the disputed medical question. This requires more than simply stating that the treatment was appropriate, it requires a detailed, medically sound explanation that directly addresses and refutes the insurance carrier’s peer review findings.

Strategic Considerations for Long Island and NYC Providers

The competitive medical landscape in New York, particularly in areas like Long Island where no-fault claims are prevalent, means that providers must be prepared for increasingly sophisticated challenges to their billing practices.

The Importance of Documentation

Successful defense against medical necessity challenges begins long before any motion is filed. It starts with comprehensive documentation of patient care that clearly establishes:

  • The relationship between the patient’s injuries and the motor vehicle accident
  • The medical necessity for each type of treatment provided
  • The patient’s response to treatment and ongoing needs
  • The basis for treatment frequency and duration

Building Strong Opposition Papers

When faced with a medical necessity summary judgment motion, providers need medical affidavits that:

  • Specifically address each conclusion in the peer review report
  • Provide medical reasoning for why the peer reviewer’s conclusions are incorrect
  • Reference specific patient records and examination findings
  • Explain the medical basis for treatment decisions
  • Demonstrate the provider’s qualifications to render the opinions stated

The Broader Implications for Healthcare Providers

The increasing sophistication of insurance carrier challenges has broader implications for healthcare providers across New York. Practices that fail to adapt their documentation and litigation strategies risk falling behind in an increasingly competitive environment.

Quality Over Quantity

While volume practices may seem economically attractive, they often result in inadequate documentation that becomes vulnerable to medical necessity challenges. Providers must balance efficiency with the thorough documentation necessary to defend their treatment decisions.

The Importance of Continuing Education

As peer review standards evolve and insurance carrier strategies become more sophisticated, healthcare providers must stay current with developments in their fields. This includes understanding not just clinical developments, but also the legal and regulatory environment in which they practice.

Why Experience Matters in Medical Necessity Defense

The complexity of medical necessity litigation requires legal counsel with deep understanding of both the medical and legal issues involved. Our team has handled hundreds of these cases and understands what separates successful opposition papers from those that fail to create triable issues of fact.

We work closely with qualified medical experts who understand the standards required for effective affidavits. More importantly, we understand how to present medical evidence in a way that courts find compelling and legally sufficient.

Protecting Your Practice’s Future

For healthcare providers throughout Long Island and New York City, the stakes in medical necessity litigation continue to rise. Insurance carriers are becoming more sophisticated in their challenges, and providers must be equally sophisticated in their defense.

This means not just having good medical care, but also ensuring that care is properly documented and, when challenged, effectively defended. The cost of inadequate legal representation in these matters can far exceed the immediate financial impact of any single case.

Contact Our Medical Necessity Defense Team

If your healthcare practice is facing medical necessity challenges or other no-fault insurance disputes, don’t leave your practice’s financial future to chance. The quality of your legal representation can make the difference between success and failure in these critical cases.

Contact the Law Office of Jason Tenenbaum today at (516) 750-0595 to discuss your medical necessity defense needs. We serve healthcare providers throughout Nassau County, Suffolk County, Queens, Brooklyn, Manhattan, the Bronx, and Staten Island.

Don’t let poorly drafted opposition papers jeopardize your practice’s financial stability. Call us today and ensure your medical necessity defenses meet the increasingly demanding standards of New York’s courts.

The discovery argument also failed

GZ Medical & Diagnostic v Mercury, decided March 19, 2010, involved partial summary judgment on the second and third causes of action. The insurer proved timely denial and supported its medical position with an affirmed peer review. The provider’s doctor did not adequately address the reviewer’s conclusions.

The opinion also rejected a separate argument under CPLR 3212(f). The provider said it lacked information and documents relied on by the peer reviewer. The court found that the provider had not shown why discovery was needed to establish a triable issue. That additional ruling belongs in any discussion of this case; an inadequate affirmation was only part of the dispute.

Identify the missing evidence and its purpose

A request for more discovery should identify what is missing and explain how it could bear on the disputed medical question. For example, if the reviewer’s analysis depends on a record the opposing clinician has not seen, explain the connection between that record and the proposed response. A statement that additional material might be helpful leaves the court without a reason to delay the motion.

CPLR 3212(f) allows relief where facts essential to justify opposition may exist but cannot then be stated. The statutory language makes the relevance of the unavailable facts central. GZ Medical should not be read as forbidding discovery in peer-review litigation. It rejected the showing made in that case.

Counsel should preserve the requests already served and the responses received. Identify when the missing item became apparent. If the request is for a report already annexed to the motion, explain what remains unavailable rather than simply repeating an earlier demand.

Separate the merits response from the request for time

Now one part of the opposition might explain why the submitted report is deficient on its own terms and then another may present a clinician’s reasoned disagreement and then a request pursuant to CPLR 3212(f) presents another issue which is whether or not essential facts are unavailable. So you want to make sure when you’re doing these arguments that they’re identifiable so the court can decide each argument on its proper ground.

Do not treat the request as an automatic extension of the opposition deadline. The return date, method of service and any court order must be checked. The prior shorthand suggesting a universal response period was not reliable. CPLR 2214 and the actual scheduling directions control that calculation.

Historical note: GZ Medical rejected both the medical rebuttal and the particular discovery showing. Current CPLR 3212(b) and (f) keep the merits inquiry and relief for unavailable essential facts separate.

Connect to the Encyclopedia

Start with the medical-necessity and peer-review hub. Use these related notes to compare the initial showing, the response and the result:

For help assessing a pending claim or motion, contact the firm with the denial, medical reports, motion papers and any court order. This historical discussion is general information, not advice on a particular file.

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 2,600 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

Frequently Asked Questions

Common Questions About This Topic

5 answers from the firm's New York personal-injury and employment-law practice. Click any question to expand.

Q: How can I tell if my medical affidavit is strong enough to defeat a summary judgment motion?

A: An effective affidavit must do more than simply contradict the peer reviewer’s conclusions. It must provide specific medical reasoning, reference particular patient findings, and demonstrate why your treatment approach was medically necessary and appropriate.

Q: What happens if I lose a medical necessity summary judgment motion?

A: A successful motion by the insurance carrier typically results in judgment in their favor, meaning you won’t recover payment for the disputed services. Additionally, it may establish precedent for future cases with similar fact patterns.

Q: How long do I have to respond to a medical necessity summary judgment motion?

A: Calculate the opposition deadline from CPLR 2214, the notice of motion, the method of service and any court order. There is no universal 8-to-35-day response period. Seek an extension from the court when one is needed.

Q: Can I use the same medical expert for multiple similar cases?

A: While you can use the same expert, each affidavit must be specifically tailored to the individual case. Generic or template responses are more likely to be ineffective.

Q: Should I settle rather than fight a medical necessity motion?

A: The decision depends on various factors, including the strength of your medical evidence, the amount in dispute, and the potential precedential value of the case. This requires careful strategic analysis.

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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.

Part of the Medical Necessity & Peer Review archive in the No-Fault Insurance Law section of the New York Legal Encyclopedia.

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

Written 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 2008, he has authored more than 2,600 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
2,600+ Published
Licensed In
6 States + Federal

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