Skip to main content
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 8 min read

Key Takeaway

Expert defense against medical necessity summary judgment motions in NY. Protect your healthcare practice from insurance carrier challenges. Call (516) 750-0595.

This article is part of our ongoing medical necessity coverage, with 171 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.

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

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

To successfully oppose a medical necessity summary judgment motion, healthcare providers must demonstrate that their treatment was both reasonable and necessary. 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

Frequently Asked Questions About Medical Necessity Defense

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: Response deadlines vary depending on the court and method of service, but generally range from 8 to 35 days. It’s crucial to begin preparing your opposition immediately upon receiving the motion.

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.

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.


Legal Update (February 2026): Since this 2010 post, New York’s no-fault regulations have undergone several amendments affecting medical necessity standards and peer review procedures, including updates to fee schedules and procedural requirements for medical affidavits. Additionally, Appellate Term decisions have continued to evolve regarding the sufficiency standards for medical opposition papers. Practitioners should verify current regulatory provisions and recent case law when drafting medical necessity opposition papers.

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.

171 published articles in Medical Necessity

Was this article helpful?

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.

Free Consultation — No Upfront Fees

Injured on Long Island?
We Fight for What You Deserve.

Serving Nassau County, Suffolk County, and all of New York City. You pay nothing unless we win.

The Law Office of Jason Tenenbaum, P.C. has been fighting for the rights of injured New Yorkers since 2002. With over 24 years of experience handling personal injury, no-fault insurance, employment discrimination, and workers' compensation cases, Jason Tenenbaum brings the legal knowledge and courtroom experience your case demands. Every consultation is free and confidential, and we work on a contingency fee basis — meaning you pay absolutely nothing unless we recover compensation for you.

Available 24/7  ·  No fees unless you win  ·  Serving Long Island & NYC

Injured? Don't Wait.

Get Your Free Case Evaluation Today

No fees unless we win — available 24/7 for emergencies.

Call Now Free Review