Here's something most physical therapists don't think about until it's too late: one patient injury can derail your entire career. Maybe a hot pack burns someone's skin because you got distracted. Maybe a patient falls during gait training and fractures their hip. Maybe someone claims you made their shoulder worse instead of better. Without the right professional liability insurance, you're personally on the hook for legal fees that can easily hit six figures, even if you did nothing wrong.
Professional liability insurance, also called malpractice insurance or errors and omissions (E&O) coverage, protects you when patients claim your treatment caused harm. It covers your legal defense, settlements, and judgments. But here's where it gets tricky: not all policies work the same way. The difference between claims-made and occurrence coverage, retroactive dates, and how defense costs are handled can mean the difference between solid protection and expensive gaps in coverage.
Why Physical Therapists Need Professional Liability Insurance
The physical therapy malpractice rate is actually quite low compared to other healthcare professions—about 2.5 incidents per 10,000 working therapists per year. But that doesn't mean you're immune. Between 2001 and 2011, physical therapists paid out $44 million in malpractice claims. The average settlement runs around $95,000, but severe cases can exceed $134,000 in total costs including legal fees.
The most common claims stem from treatment-related injuries. Burns from hot packs or ultrasound equipment account for 16.4% of all closed claims, with severe burn cases averaging $280,688 in costs. Patient falls during unsupervised exercises, injuries from improper stretching techniques, and allegations of making a condition worse through poor treatment management round out the top causes. Some states, including Pennsylvania, actually require you to carry a minimum of $1 million per occurrence as a condition of maintaining your license.
Even if your employer provides coverage, you need your own policy. Employer coverage typically protects the organization first. If you're named personally in a lawsuit, that employer policy might not cover your personal legal costs or protect your assets. If you leave that job or get terminated, you lose that coverage immediately—and any claims filed after you leave won't be covered, even if the incident happened while you were employed.
Claims-Made vs. Occurrence: The Most Important Decision You'll Make
This is where most therapists get confused, and it matters more than you think. Your policy structure determines whether you're actually covered when a claim comes in years after treatment.
Occurrence policies cover any incident that happened while the policy was active, no matter when someone files the claim. You treat a patient in March 2024 with an occurrence policy. Three years later, in 2027, that patient sues you, claiming the treatment caused permanent damage. You're covered, even though you might have a different policy or be retired by then.
Claims-made policies only cover incidents if two things happen during the policy period: the incident itself and the claim filing. Same scenario—you treat someone in March 2024, but your claims-made policy expires in December 2024. When that patient files a claim in 2027, you have no coverage unless you purchased tail coverage.
Why does this matter so much? Most malpractice claims are filed 18 to 24 months after the incident. That's a long time. If you switch jobs, retire, or let your policy lapse, you could be unprotected for incidents that happened years ago. Claims-made policies typically cost less upfront, which is why they're popular. But they require continuous coverage and often expensive tail coverage when you stop practicing or switch carriers.
The Retroactive Date and Why It Can Destroy Your Coverage
If you have a claims-made policy, your retroactive date is the earliest date an incident can occur and still be covered. Let's say you start a new claims-made policy on January 1, 2025, and the insurer sets your retroactive date as January 1, 2025. That policy will only cover claims for incidents that happened on or after that date. Any patient you treated before January 1, 2025, has no coverage if they file a claim later.
This becomes a huge problem when you switch insurance carriers. If your new carrier assigns a new retroactive date, you've just created a coverage gap for all your prior patients. The solution is maintaining the same retroactive date when you renew or switch carriers—called "prior acts coverage." But you need to specifically request this and verify it's included in your new policy. Never assume it carries over automatically.
Defense Costs: Inside or Outside the Limit?
Here's a detail most therapists miss that can cut their coverage in half. Your policy will state whether defense costs are included within your coverage limits or provided in addition to them. This makes a massive difference.
Say you have a $1 million policy with defense costs inside the limit. You face a lawsuit that costs $400,000 to defend and settles for $700,000. You've just exceeded your policy limit by $100,000, which comes out of your pocket. But if defense costs are outside the limit, the insurer pays the $400,000 in legal fees separately, and your full $1 million remains available for the settlement.
Most standard policies include defense costs within the limit to keep premiums lower. Look for policies that provide defense costs in addition to your coverage limits. It costs more, but it means you actually have the coverage you think you're paying for.
Coverage Limits and What You Actually Need
Standard professional liability coverage for physical therapists is typically $1 million per occurrence with a $3 million annual aggregate. That means up to $1 million per claim and $3 million total for all claims in a policy year. Some carriers offer higher limits of $2 million per claim and $4 million aggregate.
Should you get the higher limits? It depends on your practice setting. If you work with high-risk patients, use equipment that could cause serious injury, or practice in areas with expensive litigation, higher limits make sense. If you're treating low-risk outpatients in a state with conservative juries, standard limits are usually sufficient. Remember that higher limits also mean higher premiums—you're looking at $300 to $1,500 annually for most therapists, but costs vary significantly based on your location, specialization, and claims history.
How to Get the Right Coverage
Start by checking if your state mandates minimum coverage—some states require it for licensure. Then decide between claims-made and occurrence coverage. If you're early in your career and plan to work for decades, occurrence coverage provides long-term peace of mind without worrying about tail coverage later. If you're budget-conscious now or planning to retire soon, claims-made might work better.
Get quotes from carriers that specialize in healthcare professional liability, like HPSO, CM&F Group, or carriers endorsed by the American Physical Therapy Association. Compare not just premiums but policy structure—are defense costs inside or outside the limit? What's the retroactive date? Is tail coverage included if you leave? What exclusions apply?
Don't cancel your old policy until your new one is active, and verify your new policy maintains your original retroactive date if you're switching carriers. Even a one-day gap in coverage can create permanent holes in your protection. Your career is worth the few hundred dollars a year to ensure you're properly covered if something goes wrong.