Legal Representation for Victims of Data Breaches in California
The Data Breach Attorneys at Potter Handy Law Firm have the knowledge and resources to thoroughly examine your case, conduct an investigation into the breach, and, when needed, fight for justice.
Potter Handy LLP is currently reviewing cases on behalf of individuals affected by the Palomar Health Medical Group data breach. These individuals may have had their personal and confidential information illegally accessed by an unknown third party during the Palomar Health Medical Group data breach. Potter Handy LLP will conduct a complimentary assessment of your data breach claim in order to safeguard the rights and privacy of all those impacted by the Palomar Health Medical Group data breach.
We are only interested in claims that arose in California. Contact us today by filling out the form on this webpage to learn more about how we can help you with your case.
ABOUT ARCH HEALTH PARTNERS, INC. D/B/A PALOMAR HEALTH MEDICAL GROUP (“PHMG”)
Arch Health Partners, Inc. operates as Palomar Health Medical Group, a multi-specialty healthcare provider in Southern California. Headquartered at 15611 Pomerado Rd Ste 400, Poway, CA, it is part of the Palomar Health network. The organization serves patients across multiple specialties and has built a reputation for comprehensive medical care. However, a recent cybersecurity incident has drawn attention to the growing importance of robust digital security measures within healthcare organizations.
What Happened?
On May 5, 2024, PHMG detected suspicious activity in its network and immediately began an investigation. Findings show an unauthorized actor accessed—and may have copied—files stored on PHMG systems between April 23 and May 05, 2024. A file-by-file review confirmed that certain patient records were contained in the impacted data set. The California filing further notes that the incident did not impact Palomar Health’s separate systems.
The breach affected 374 individuals as reported to the Massachusetts Attorney General. Consumer notices dated October 15, 2025, were mailed to affected individuals following the investigation and regulatory reporting. The delay between the breach’s occurrence and notification—over five months—may raise concerns under certain state and federal data protection laws in the United States.
In response to the breach, the company offered complimentary credit monitoring and identity-restoration services through Experian. PHMG has reported the incident to relevant law enforcement authorities, consumer reporting agencies, and applicable regulators.
Notification letters outlining the scope of impacted information and providing protective measures were sent to affected individuals following the conclusion of the investigation.
If you’ve received a notification about a data breach, it is vital to understand the seriousness of the situation. Your personal and protected health information may have been compromised, making it vulnerable to cybercriminals. Given these circumstances, it is essential to act swiftly by contacting our highly qualified Data Breach Lawyers. These attorneys can effectively protect your legal rights and ensure those responsible are held accountable.
By selecting a qualified Data Breach Lawyer, you can be assured that your interests are protected thoroughly during the entire case, providing you with peace of mind.
What Information Was Involved?
The breach exposed a wide range of sensitive data, putting individuals at risk of identity theft and fraud. The types of information exposed may include:
- Full name
- Address
- Date of birth
- Social Security number
- Driver’s license number
- State identification number
- Military identification number
- Passport number
- U.S. alien registration number
- Medical information / diagnostic or treatment details
- Medical history
- Medical record number
- Medicare/Medicaid identification number
- Patient account number
- Health insurance information
- Health savings account information
- Biometric data
- Credit or debit card number
- Payment card information
- Financial account information
- Email address and password
- Username and password
Protecting Consumers’ Privacy Rights Following the Palomar Health Medical Group Data Breach
If you were notified that your information had been stolen as a result of the Palomar Health Medical Group data breach, you may be entitled to compensation or other remedies.
Don’t wait until it’s too late to protect your rights and seek compensation. Contact us today by filling out the form on this webpage for a free consultation and to learn more about how we can help you with your case. Our attorneys are available 24/7 and there are no out-of-pocket expenses for our clients. Let us help you seek justice and hold companies accountable for their negligence in protecting personal information. Regrettably, we are unable to respond to phone inquiries. Free Consultations 24/7. No out-of-pocket expenses.