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One of the nation’s top class action law firms is investigating a data breach at Beverly Hills Oncology Medical Group. Shamis & Gentile, P.A. is launching an investigation into the breach and is asking impacted individuals to submit a claim, as they may be eligible for compensation. Why It Matters The investigation into this data breach found that patients’ personal, financial and medical information may have been compromised. This could expose them to identity theft and fraud. Health systems that experienced similar data breaches have faced class action lawsuits that accused them of negligence for failing to protect patient data. Recently, Yale New Haven Health reached an $18 million settlement over a breach that impacted over 5.5 million individuals. What To Know According to a notice of the data breach, Beverly Hills Oncology Medical Group discovered unauthorized access to its network between February 7 and February 11, 2025. The company launched an investigation with outside cybersecurity professionals to analyze the extent of the breach. That investigation concluded on October 13, 2025, with the determination that personal information may have been removed from the company’s network. This information includes full names and one or more of the following: Social Security number, driver’s license number or other government identification number, financial account information, credit or debit card information, health insurance policy information, treatment, diagnosis, prescription and other clinical information. Beverly Hills Oncology Medical Group said in the notice that it is not aware of any reports of identity fraud or improper use of any information as a direct result of the incident. “Out of an abundance of caution,” the company said it notified individuals who may be impacted and disclosed the breach to the California Attorney General’s office on October 31, 2025. “Please accept our apologies that this incident occurred,” Beverly Hills Oncology Medical Group said. “We are committed to maintaining the privacy of personal information in our possession and have taken many precautions to safeguard it. We continually evaluate and modify our practices and internal controls to enhance the security and privacy of personal information.” What Happens Next The notice outlined what affected individuals can do to protect themselves, including “enrolling in complimentary credit monitoring services, placing a fraud alert or security freeze on their credit files, obtaining free credit reports, remaining vigilant in reviewing financial account statements and credit reports for fraudulent or irregular activity, contacting their financial institutions to inquire about steps to take to protect their accounts and taking steps to safeguard against medical identity theft.” To protect medical information, Beverly Hills Oncology Medical Group advises patients to “only share health insurance cards with health care providers and other family members who are covered under their insurance plan or who help them with their medical care, review their explanations of benefits statement and ask their insurance company for a current year-to-date report. Impacted individuals can submit a claim to Shamis & Gentile, P.A. Newsweek reached out to Beverly Hills Oncology Medical Group and Shamis & Gentile, P.A. for comment. Have an announcement or news to share? Contact the Newsweek Health Care team at health.care@newsweek.com.