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If you received an email or letter about a data breach from BASS Medical Group (“BASS”), a multispecialty healthcare organization in California, your protected health information may be at risk from a data breach. Our firm is investigating this incident and can help you understand your rights and legal options.
On or about September 4, 2026, BASS discovered suspicious activity within its network environment. Upon discovery BASS took steps to secure its network and launched an investigation with the assistance of independent cybersecurity experts to identify the source and scope of the suspicious activity. On or about September 22, 2026, the investigation determined that certain personal and/or protected health information was subject to unauthorized access and acquisition.
On October 22, 2026, BASS reported the breach to the Office of the Attorney General of California. BASS has also notified the U.S. Health and Human Services Office for Civil Rights and the FBI about the breach. BASS is sending individual notice letters to those it has identified as potentially affected.
According to BASS’ report to the California Attorney General, the following categories of information were involved:
Levi & Korsinsky, LLP is investigating whether affected persons are entitled to compensation. If you received a notice letter or email from BASS Medical Group, there is no cost or obligation to participate. Follow the link below to find out about your rights and potential legal remedies available.
Headquartered in Walnut Creek, BASS is a multispecialty healthcare network with over 200 locations across the Greater Bay Area, Northern California, and the Central Valley. BASS is owned and led by its physicians.
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