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Oncology Institute Data Breach Lawsuit Investigation
Shamis & Gentile P.A., one of the nation's premier class action law firms specializing in data breach cases, is investigating the Oncology Institute, Inc. data breach.
If you were affected by the data breach, your sensitive personally identifiable information may have been exposed, and you may be eligible for compensation.
About Oncology Institute, Inc.
Oncology Institute, Inc. is a community-based medical practice focused on delivering specialized cancer care. Founded in 2007 and based in Cerritos, California, the company has grown to serve more than 1.9 million patients. It operates over 100 clinics and affiliate locations across five states and employs more than 180 clinicians.
Oncology Institute, Inc. is publicly traded under the ticker TOI on the Nasdaq exchange.
What Happened?
On May 20, 2026, Oncology Institute, Inc. disclosed a cybersecurity incident involving a software service provider used by the company. Initially, the company was not sure if any patient information had been affected. However, a third-party administrator, Kroll, later notified them that unauthorized access to certain information systems had occurred, including systems containing patient data.
The company believes this incident has impacted other healthcare service providers as well. A patient portal has been set up by the vendor to provide information and respond to inquiries. Oncology Institute, Inc. has stated that its operations have continued without major disruption and that it is working with the vendor to offer credit monitoring and protection to all impacted patients.
You May Be Entitled to Compensation
If your information was exposed in the Oncology Institute, Inc. data breach, you may be eligible for compensation. Lawsuits are being filed to hold companies accountable for failing to protect consumer data. Lawyers are ready to help affected individuals join a class action lawsuit and pursue compensation for any harm suffered as a result of the breach.
To find out if you qualify and to join the lawsuit, complete the below form.
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