Brooklyn Misdiagnosis Lawyer

A doctor’s failure to correctly identify what is wrong with you can cost more than time. It can mean months of unnecessary treatment, a condition that worsens beyond recovery, or a disease that reaches a stage where options run out entirely. When a physician, specialist, or hospital in Brooklyn misses a diagnosis, delays it, or gets it completely wrong, the law provides a path to accountability. A Brooklyn misdiagnosis lawyer helps patients and families understand whether what happened to them crossed the legal threshold from an unfortunate outcome to actionable medical negligence.

Misdiagnosis cases are among the most complex matters in personal injury law. Unlike a car accident where liability is often visible, a diagnostic failure requires demonstrating what a competent physician should have done differently, and how the deviation from that standard caused you harm. The medicine and the law intersect in ways that demand careful analysis of medical records, expert testimony, and the actual clinical decision-making that occurred during your care. Brooklyn patients are treated at major institutions across the borough and throughout the New York City hospital system, and a misdiagnosis can happen in any of those settings.

Not every wrong diagnosis is malpractice. Medicine involves uncertainty, and differential diagnoses are part of the process. What matters legally is whether your provider exercised the degree of care that a reasonably competent provider in the same specialty would have used under the circumstances. When the answer to that question is no, and when that failure caused you to suffer harm you would not have otherwise faced, you have the basis for a claim.

What Falls Under Misdiagnosis in a Medical Malpractice Claim

• Failure to diagnose cancer: Missed or delayed cancer diagnoses, including breast, colon, lung, and cervical cancer, are among the most litigated misdiagnosis cases in New York. A provider who fails to order appropriate follow-up after an abnormal screening result, or dismisses a patient’s symptoms without proper workup, may have departed from the accepted standard of care.
• Misdiagnosis of heart attack or cardiac conditions: Patients, particularly women, are sometimes sent home with a diagnosis of anxiety or acid reflux when they are actually experiencing a cardiac event. A missed or delayed heart attack diagnosis can result in permanent heart damage or death.
• Failure to diagnose stroke: Time is tissue when it comes to strokes. The window for certain clot-dissolving treatments is narrow. A provider who misreads imaging, fails to order imaging, or attributes stroke symptoms to other causes can leave a patient without treatment options that were available only hours earlier.
• Missed infection or sepsis: Bacterial infections that go unrecognized can progress to sepsis, a life-threatening systemic response. Emergency rooms and urgent care settings are common environments where early infection signs are overlooked, particularly when patients present with non-specific symptoms.
• Misdiagnosis of pulmonary embolism: Blood clots in the lungs are frequently misread as panic attacks, pneumonia, or pleurisy. The consequences of sending a patient home with an undiagnosed pulmonary embolism can be fatal, and the diagnostic tools to identify the condition are widely available.
• Incorrect psychiatric diagnosis: Patients presenting with neurological conditions, thyroid disorders, or autoimmune diseases are sometimes given psychiatric diagnoses instead. The resulting delays in appropriate treatment can cause lasting physical and psychological damage.
• Radiology and pathology errors: A radiologist who misreads a scan, or a pathologist who misclassifies a tissue sample, can send an entire treatment plan in the wrong direction. These cases often involve multiple providers and require detailed expert analysis of the actual images or slides.

What Brooklyn Misdiagnosis Victims Need to Do Now

The most important thing a patient or family member can do after suspecting misdiagnosis is to gather and preserve records. Request your complete medical file from every provider involved, including imaging, lab work, referral notes, and discharge summaries. New York law gives patients the right to access their medical records, and you should exercise that right before any records are altered, lost, or destroyed. Do not rely on your memory of what was said during appointments. Get the documents.

Misdiagnosis claims in New York are governed by the medical malpractice statute of limitations, which generally gives patients a limited window from the date of the negligent act or omission, or from the end of continuous treatment by the same provider, to bring a claim. There are specific rules that apply to cases involving foreign objects, claims against municipal hospitals, and cases involving minors. Because the deadlines are strict and the rules are nuanced, speaking with a misdiagnosis attorney in Brooklyn sooner rather than later protects your ability to pursue the claim at all.

Brooklyn misdiagnosis cases may be filed in Kings County Supreme Court, located at 360 Adams Street in Downtown Brooklyn. Medical malpractice cases filed there proceed through the court’s civil term and are subject to New York’s certificate of merit requirement, which means an attorney must certify that a qualified medical expert has reviewed the case and found merit before the claim can proceed. This is why building the right expert foundation early in the case matters so much. Cases against municipal hospitals or city-run health systems, including facilities operated by NYC Health + Hospitals, require a notice of claim to be filed within 90 days of the alleged malpractice. Missing that deadline can permanently bar recovery against those defendants.

Avoid discussing your case on social media or making recorded statements to insurance representatives or hospital risk management teams. Anything you say in those contexts can be used to undermine your claim. Refer all communications to your attorney once you have retained one.

The Causation Problem in Misdiagnosis Cases and How It Gets Resolved

Proving that a misdiagnosis happened is only half the work. A Brooklyn misdiagnosis attorney also has to prove that the diagnostic failure caused measurable harm. This element, called causation, is often where these cases are contested most vigorously.

Defense experts frequently argue that even with a correct diagnosis, the outcome would have been the same. In cancer cases, they argue the tumor would have been treated identically regardless of when it was caught. In cardiac cases, they argue the damage was already done. Countering these arguments requires qualified medical experts who can speak directly to what the accepted treatment options were at the time the correct diagnosis should have been made, and how those options compare to what was available by the time the error was discovered.

New York applies the “loss of chance” doctrine, which allows a patient to recover even when their underlying condition means they may not have been guaranteed a full recovery. If a timely diagnosis would have given you a materially better chance of survival or a less severe outcome, the law recognizes that lost chance as a compensable injury. This doctrine is particularly significant in cancer misdiagnosis cases where a stage II diagnosis would have carried a dramatically better prognosis than the stage IV diagnosis that came too late.

Damages in a misdiagnosis case can include past and future medical expenses, lost wages and diminished earning capacity, pain and suffering, and in cases involving a death, wrongful death damages available to surviving family members. New York does not cap economic damages in medical malpractice cases, though non-economic damages are subject to reasonableness review. Cases involving catastrophic injuries or death carry correspondingly high stakes on both sides.

Why Patients in Brooklyn Choose Mark David Shirian P.C.

Mark David Shirian P.C. was founded in 2016 by Attorney Mark D. Shirian with a clear purpose: to represent people who have been wronged and to pursue the best possible outcome for them. Attorneys Mark D. Shirian and Shawn D. Shirian bring that same commitment to serious injury cases, including medical malpractice and misdiagnosis claims. The firm has recovered millions on behalf of clients across New York City and New York State, and handles each case with the focused attention that distinguishes a boutique practice from a volume operation.

Clients who have worked with the firm consistently describe attorneys who pay close attention to the details that actually matter in a case, work hard toward the result the client is seeking, and communicate throughout the process. For a Brooklyn misdiagnosis attorney relationship to work, that kind of attentiveness is not optional. These cases involve dense medical records, multiple expert reviews, and procedural requirements that compound over time. The firm approaches every case with the assessment and strategy it requires, not a one-size formula.

Questions Brooklyn Patients Ask About Misdiagnosis Cases

How do I know if what happened to me qualifies as medical malpractice?

A misdiagnosis becomes malpractice when a competent physician in the same specialty, with the same information available, would have made the correct diagnosis and when the failure to do so caused you harm. Not every incorrect diagnosis meets that threshold. An attorney working with a qualified medical expert can review your records and give you a realistic assessment of whether your situation meets the legal standard.

How long do I have to file a misdiagnosis claim in New York?

New York’s medical malpractice statute of limitations is generally two and a half years from the date of the act or omission, or from the end of continuous treatment by the same provider for the same condition. Different rules apply for cases involving minors or claims against municipal hospitals, where the timeline is much shorter. Do not assume you have time to wait. Consult an attorney promptly.

What if I also have an ongoing relationship with the doctor who misdiagnosed me?

This is common and it does not prevent you from bringing a claim. The continuous treatment doctrine may actually extend your filing deadline in some cases. You are not required to continue treating with the same provider, and many patients choose to seek care elsewhere once they suspect a problem. Changing providers does not affect your legal rights.

Do I need an expert to bring a misdiagnosis case?

Yes. New York requires a certificate of merit, which means your attorney must certify that a qualified medical professional has reviewed the facts and found merit in the claim. Expert testimony is also necessary at trial to explain what the standard of care required and how the defendant departed from it. The quality and credibility of your experts often determines the outcome of the case.

What happens if the misdiagnosis occurred at an NYC Health + Hospitals facility?

Claims against municipal hospitals in New York require a notice of claim to be filed within 90 days of the alleged malpractice. This deadline is separate from, and much shorter than, the general statute of limitations. Missing the 90-day window typically bars any recovery against the municipal defendant. If you were treated at a city-run hospital, contact an attorney immediately.

Can I sue a specialist who relied on a wrong referral diagnosis from my primary care physician?

Potentially yes, depending on the circumstances. Specialists have independent obligations to exercise appropriate clinical judgment. If the specialist had information that should have prompted further investigation or a different diagnosis, the specialist may share liability alongside the referring physician. These multi-provider cases require analysis of each provider’s role and responsibilities within the treatment chain.

What if I was also partially responsible for my outcome because I delayed seeking care?

New York follows a pure comparative fault rule. Your recovery can be reduced by your percentage of responsibility, but it is not eliminated entirely. A patient who delayed a follow-up appointment, for example, is not automatically barred from recovering against a physician who failed to diagnose a condition even during earlier visits. The facts of each situation determine how fault is allocated.

What if the person who was misdiagnosed passed away, can family members still bring a claim?

Yes. In New York, a misdiagnosis that results in death can support a wrongful death claim brought by the decedent’s estate and surviving family members. Recoverable damages in a wrongful death case include medical expenses, lost earnings the decedent would have contributed, funeral costs, and in some cases damages for the conscious pain and suffering experienced before death. An estate representative must bring the action on behalf of the family.

How are misdiagnosis cases in Brooklyn typically resolved?

Most medical malpractice cases, including misdiagnosis claims, resolve through settlement before trial. However, settlement negotiations in these cases are rarely quick. Insurance carriers and hospital systems retain experienced defense teams, and the value of a settlement depends heavily on the strength of your expert support, the severity of your damages, and the credibility of your causation argument. Some cases do go to trial in Kings County Supreme Court, and having counsel prepared to litigate is an important part of negotiating a meaningful result.

Is a second opinion from another doctor enough to prove the original doctor was wrong?

A second opinion can be valuable evidence that a different diagnosis was reachable. But it is not, by itself, sufficient to prove malpractice. What matters legally is not just that another doctor would have diagnosed you differently, but that a reasonably competent physician in the same specialty at the time of treatment should have reached the correct diagnosis given the information available. A retained medical expert, not just a treating physician, typically provides that formal analysis.

Brooklyn Misdiagnosis Representation Across New York City

Mark David Shirian P.C. represents misdiagnosis victims throughout Brooklyn and the broader New York City area. In Brooklyn specifically, the firm serves clients from neighborhoods including Bay Ridge, Bensonhurst, Flatbush, Flatlands, Park Slope, Crown Heights, Brownsville, East New York, Bushwick, Williamsburg, Greenpoint, Borough Park, Sunset Park, Canarsie, Sheepshead Bay, Coney Island, Brighton Beach, Carroll Gardens, Red Hook, and Cobble Hill. Patients are treated across a wide range of hospitals and clinical settings throughout the borough, and misdiagnosis claims can arise at any of them.

The firm also represents clients throughout Manhattan, the Bronx, Queens, and Staten Island, as well as across New York State. Wherever in the New York City area a patient received negligent care, the firm is positioned to evaluate and pursue their claim.

Talk to a Brooklyn Misdiagnosis Attorney About Your Case

A delayed or incorrect diagnosis can alter the entire trajectory of your health and your life. The window to act has legal limits, and every day without proper legal assessment is a day closer to those limits. Mark David Shirian P.C. offers confidential case evaluations for patients and families who believe a misdiagnosis caused serious harm. Speak directly with a Brooklyn misdiagnosis attorney who will assess your situation honestly and tell you where your case stands.

Call the firm today to schedule your confidential case evaluation and begin the process of understanding your legal options.