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Marin Cancer Care 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 Marin Cancer Care 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 Marin Cancer Care
Marin Cancer Care is a privately held cancer treatment center located at 1350 South Eliseo Drive, Suite 200, Greenbrae, CA 94904. Founded in 1952, the center has served the local community for decades, focusing on medical oncology, hematology, radiation oncology and supportive services.
The organization operates with a patient-centered approach, offering integrative care that includes access to services like acupuncture, nutrition counseling, massage therapy and psychosocial support.
What Happened?
Marin Cancer Care discovered a data breach on or about Dec. 8, 2015. The breach itself occurred on Nov. 19, 2015.
Upon discovery of this event, Marin Cancer Care began working with third party cybersecurity investigators to determine the full scope of the event. The investigation identified signs of unauthorized access to Marin Cancer Care’s network.
The affected files exposed the following information:
Information Exposed:
- Names
- Health insurance information
- Medical information
Marin Cancer Care has published a notice on its website detailing the event. The company has also disclosed the incident to the U.S. Department of Health and Human Services on Feb. 6, 2026.
As of current reports, the incident affected an unknown number of individuals in the United States. The investigation remains ongoing at this time.
You May Be Entitled to Compensation
If you were affected by the Marin Cancer Care data breach, you may be eligible for compensation. Lawyers are investigating claims on behalf of patients whose information was exposed.
To find out if you qualify and to take the next step in protecting your rights, complete the below form to join the lawsuit.
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