How long do I have to sue for medical malpractice in New York?

You have 2 years and 6 months from the date of the malpractice to file a lawsuit. This is shorter than the 3-year statute of limitations for other personal injury cases in New York. The clock starts on the date the malpractice occurred, not the date you discovered the harm, with limited exceptions for foreign objects left in the body, continuous treatment, and cancer misdiagnosis under Lavern's Law.

What is the continuous treatment doctrine in New York?

The continuous treatment doctrine delays the start of the statute of limitations when the same provider continues to treat you for the same condition that was the subject of the malpractice. The clock does not start until the course of treatment ends. This applies only when the treatment is ongoing and related to the original condition. If you switch providers or the treatment ends, the clock begins running immediately.

What is Lavern's Law?

Lavern's Law, effective January 31, 2018, allows the statute of limitations in cancer and malignant tumor misdiagnosis cases to start from the date the patient discovers or reasonably should have discovered the malpractice, rather than the date the malpractice occurred. The law applies only to failures to diagnose cancer or malignant tumors and has a maximum outer limit of 7 years from the original malpractice.

What constitutes medical malpractice in NY?

Medical malpractice in New York occurs when a licensed health care provider departs from the accepted standard of care in the medical community and that departure causes measurable harm to a patient. Under CPLR § 214-a, an injured person generally has two and a half years from the date of the malpractice act, or from the end of continuous treatment for the same condition, to file a lawsuit. Common departures include surgical errors, misdiagnosis or delayed diagnosis, medication mistakes, and failures to obtain informed consent before a procedure. The National Practitioner Data Bank, which tracks malpractice payment reports on licensed practitioners across the country, recorded hundreds of reports tied to New York providers in recent years, reflecting how frequently these claims arise. If you believe a provider's departure from accepted practice caused your injury, speaking with a New York personal injury attorney about your specific circumstances is an important first step.

What are the four things that must be proven to win a medical malpractice suit?

To win a medical malpractice case in New York, an injured person must establish four elements: that a doctor-patient relationship existed, creating a duty of care; that the provider deviated from the accepted standard of care that a reasonably competent practitioner would have followed under similar circumstances; that this deviation directly caused the injury; and that the injury resulted in measurable damages, such as additional medical costs, lost income, or pain and suffering. New York courts apply CPLR § 214-a, which gives injured people two and a half years from the date of the negligent act to file, so timing matters from the start. Causation is often the hardest element to prove, because the injured person must show not only that something went wrong but that the provider's specific deviation, rather than the underlying condition, produced the harm. The National Practitioner Data Bank, which tracks malpractice payment reports on licensed practitioners, can sometimes surface relevant history about a provider that helps build the overall picture of a case. Because each element requires medical and legal analysis working together, speaking with a trial lawyer early gives an injured person the clearest sense of where a claim stands.

What are 5 examples of medical negligence?

Medical negligence occurs when a healthcare provider's care falls below the accepted standard, and New York courts evaluate these claims under CPLR § 214-a, which generally requires filing within two years and six months of the act or omission. A misdiagnosis or delayed diagnosis, such as a radiologist failing to identify a tumor visible on imaging, is one of the most common forms, because the delay can allow a condition to progress beyond effective treatment. Surgical errors, including operating on the wrong site or leaving an instrument inside a patient, represent another category, and these cases often involve hospital credentialing records available through the National Practitioner Data Bank. Medication errors, such as prescribing a drug that dangerously interacts with a patient's documented existing prescriptions, and birth injuries caused by improper use of delivery instruments or failure to perform a timely cesarean section round out the most frequently litigated types in New York. Anesthesia errors, where a provider administers an incorrect dosage or fails to monitor a patient's vitals during a procedure, are a fifth recognized category, and an injured person who suspects any of these situations should consult an attorney promptly given how strictly New York courts enforce the CPLR § 214-a filing deadline.

Is it worth suing for medical malpractice?

Whether a medical malpractice case is worth pursuing depends on several factors specific to your situation, including the severity of your injury, the strength of the evidence, and whether the harm caused measurable damages like lost income, medical expenses, or lasting disability. Under CPLR § 214-a, most medical malpractice claims in New York must be filed within two and a half years of the negligent act, though the continuous treatment doctrine and the Lavern Law can extend that window in certain circumstances, so timing matters enormously. New York also requires a certificate of merit under CPLR § 3012-a, meaning an attorney must consult with a licensed physician before filing to confirm the claim has a reasonable basis, which helps filter out weak cases early and gives you a clearer picture of where yours stands. Because malpractice litigation involves substantial costs, including medical record review, attorneys witness fees, and deposition expenses, an attorney will typically evaluate whether the provable damages justify those investments before recommending you move forward. If you believe a healthcare provider's negligence caused you serious harm, speaking with a trial lawyer who handles medical malpractice in New York is the most reliable way to assess whether your case is worth pursuing.

NY Medical Malpractice: The 2.5-Year Clock

Most personal injury cases in New York have a 3-year statute of limitations. Medical malpractice doesn’t. The clock’s shorter: 2 years and 6 months from the date of the alleged malpractice.

That six-month difference has killed cases. People who assumed they had three years discovered too late their window had closed. Once the statute expires, no amount of evidence, no severity of injury, and no clarity of fault will save the claim. The courthouse door is shut.

Here’s how the statute works, the exceptions that can extend or shorten the window, and the procedural requirements that trip up even experienced attorneys.

The Basic Rule: CPLR 214-a

New York’s Civil Practice Law and Rules § 214-a governs the statute of limitations for medical, dental, and podiatric malpractice actions. requires that an action for medical, dental, or podiatric malpractice be commenced within two years and six months of the act, omission, or failure complained of.

The clock starts on the date the malpractice occurred, not the date you discovered the injury. That’s the critical distinction. In most personal injury cases, the injury and the negligent act happen simultaneously. The car hits you. The scaffold collapses. The floor is slippery. You know immediately.

Medical malpractice is different. A surgeon may nick a healthy organ during a procedure. You might not learn about it for months. A radiologist may miss a tumor on an imaging study. The cancer grows undetected. Under the basic rule, your clock started ticking on the date of the missed diagnosis, not the date the cancer was found.

The statute is unforgiving. But several doctrines provide relief in specific circumstances.

The Continuous Treatment Doctrine

The most important exception. The continuous treatment doctrine delays the start of the statute of limitations when the same healthcare provider keeps treating you for the same condition that was the subject of the malpractice.

The logic: requiring a patient to sue a doctor while still relying on that doctor for ongoing treatment is unreasonable. The law recognizes that the treatment relationship itself prevents the patient from stepping back and evaluating whether something went wrong.

For the doctrine to apply, three conditions must be met:

Same provider. The doctor or medical group that committed the malpractice must be the same one providing the ongoing treatment.
Same condition. The ongoing treatment must relate to the condition affected by the malpractice. If you saw a cardiologist for a heart issue and later saw the same cardiologist for an unrelated knee problem, the knee visits don’t extend the statute for the cardiac malpractice.
Continuous course of treatment. There must be no significant gap in treatment. If you stop seeing the provider for a year and then return, the doctrine may not apply. The treatment must be ongoing and uninterrupted.

When treatment ends, the statute begins to run. You have 2 years and 6 months from your last treatment visit.

This doctrine has saved many cases where the malpractice occurred years earlier but the patient remained under the provider’s care. It’s also been the subject of extensive litigation over what counts as a “continuous” course of treatment. Courts examine appointment frequency, the nature of each visit, and whether the provider was actively managing the condition.

Lavern’s Law: The Cancer Exception

Lavern’s Law, named for Lavern Wilkinson, who died of lung cancer after a Brooklyn hospital failed to follow up on an abnormal X-ray, changed the rules for cancer misdiagnosis cases. Wilkinson’s family couldn’t sue. The statute had expired before she even learned of the error.

The law, codified as CPLR § 214-a(5) and effective January 31, 2018, creates a discovery rule for a narrow category of cases:

Lavern’s Law addressed the most egregious gap in New York’s statute framework. Before it, a patient whose cancer was missed on a 2015 imaging study and who didn’t learn of the error until 2019 had no recourse. The 2.5-year window had closed before the patient knew anything was wrong.

The law doesn’t apply to all misdiagnosis cases. Only cancer and malignant tumors. A missed heart condition, an undiagnosed infection, or a failure to identify a neurological disorder still follows the standard rule.

The Foreign Object Rule

A separate exception exists for cases where a surgeon leaves a foreign object inside a patient’s body during a procedure. Under CPLR 214-a, the statute of limitations for foreign object cases runs from one of two dates, whichever is later:

The date of the surgery, plus 2 years and 6 months; or
One year from the date the patient discovered the foreign object, or reasonably should have discovered it.

“Foreign object” has been narrowly defined by New York courts. It includes surgical sponges, clamps, needles, and instruments inadvertently left inside the body. It doesn’t include devices that were intentionally placed but performed poorly, like a fixation pin that caused complications. The distinction matters. An intentionally placed device that fails is standard malpractice (2.5-year clock from surgery). A forgotten sponge triggers the discovery rule.

Notice of Claim: Public Hospitals

If the malpractice occurred at a public hospital or facility operated by New York City, the State, or another government entity, additional requirements apply before the statute of limitations even becomes relevant.

Under , you must file a Notice of Claim within 90 days of the incident. That applies to:

NYC Health + Hospitals facilities (Bellevue, Lincoln, Kings County, Elmhurst, Jacobi, Coney Island, Harlem, Metropolitan, Queens, Woodhull, North Central Bronx)
SUNY Downstate Medical Center
Veterans Affairs hospitals (federal, different rules apply)
County medical centers

The practical effect: if your malpractice occurred at Bellevue or any other public hospital, you have 90 days to take legal action. Not 2.5 years.

Certificate of Merit: CPLR 3012-a

New York requires a Certificate of Merit in every medical malpractice case. Under , the plaintiff’s attorney must file a certificate with the complaint confirming they have reviewed the facts of the case, consulted with at least one licensed physician, and that the consultation supports a reasonable basis for the commencement of the action.

The physician consulted must be licensed to practice in the relevant specialty. The certificate doesn’t require naming the physician or disclosing the substance of the opinion. But it does require the consultation actually occurred before the case was filed.

If the attorney can’t obtain a physician consultation before the statute expires, the attorney may file a certificate stating the consultation couldn’t be obtained before the deadline. The statute is then tolled (paused) for 90 days to allow the consultation.

The Certificate of Merit serves a gatekeeping function. It prevents the filing of malpractice cases without any medical basis. But finding a physician willing to review the case is a prerequisite to filing suit. That adds time pressure to an already tight deadline.

Wrongful Death: A Separate Clock

If medical malpractice caused death, the wrongful death statute adds another layer. Under , the estate has 2 years from the date of death to file a wrongful death claim.

The two statutes overlap but don’t align. The malpractice may have occurred 3 years before the patient died. The wrongful death clock starts at death, giving the estate 2 years from that point. But the underlying malpractice claim must still be viable. The malpractice itself can’t have occurred more than 2.5 years before the lawsuit, unless an exception like continuous treatment applies.

The interplay between these statutes is complex enough that courts regularly address it. If medical negligence contributed to a death, consult an attorney immediately to evaluate which deadlines apply.

Common Types of Medical Malpractice in NYC

New York City’s concentration of hospitals, surgical centers, and specialty practices produces a high volume of malpractice claims. The most common categories:

The National Practitioner Data Bank Data Analysis Tool lets anyone pull medical malpractice payment reports by state, and New York ranks first in the nation for total payments. One driver: New York is among the minority of states that doesn’t cap non-economic damages in medical malpractice cases, so juries can award the full value of a patient’s pain and suffering, with no statutory ceiling.

Surgical Errors

Wrong-site surgery, anesthesia errors, nerve damage during procedures, surgical instrument retention. NYC’s teaching hospitals, where residents perform procedures under supervision, produce a distinct subset of these cases.

Diagnostic Failures

Missed cancers on imaging studies, delayed diagnosis of heart attacks in the ER, failure to order appropriate tests. Emergency rooms at overcrowded public hospitals face particular scrutiny for diagnostic delay.

Birth Injuries

Failure to monitor fetal distress, delayed C-section, improper use of forceps or vacuum extraction. Birth injury cases involving cerebral palsy or Erb’s palsy are among the highest-value malpractice claims because the damages span the child’s entire lifetime.

Medication Errors

Wrong medication, wrong dose, dangerous drug interactions, failure to account for known allergies. Pharmacy and prescribing errors are often the result of systemic failures rather than individual negligence.

Failure to Follow Up

A test result that showed an abnormality sits in a chart unread. A referral that was recommended but never coordinated. These cases involve the systems of care, not just individual providers.

What This Means for Patients

The 2.5-year statute, the 90-day Notice of Claim for public hospitals, and the Certificate of Merit requirement create a compressed timeline for medical malpractice cases. Waiting to “see how the injury develops” before consulting an attorney is the single most common mistake patients make.

If you believe you received negligent medical care in New York, act now. Not because you need to file a lawsuit tomorrow. Because the deadlines are real, the exceptions are narrow, and the procedural requirements take time to satisfy.

We’ve handled medical malpractice cases in New York for over 35 years. We work with medical experts across every specialty to evaluate whether the standard of care was breached and what the injury is worth.

Call 212-221-5999 or request a free case review.