Did Partnership HealthPlan of California have a data breach?

Answer

Yes. Partnership HealthPlan of California reported a data breach to the California Attorney General on September 17, 2026.

View the official filing

What the filing says

Reported to: California Attorney General
Filing date: September 17, 2026
Breach date: May 13, 2026
People affected: Not stated in the filing

Information involved

Full Name
Date of Birth
Social Security Number
Medical Record Number
Health Insurance ID Number
Diagnosis and Treatment Information
Prescription Information
Home Address and Contact Information

In plain terms

Partnership HealthPlan of California has filed notice of a data security incident impacting its systems. The breach occurred in May 2026, and the company reported it to regulators in September 2026. Individuals who received a notification from Partnership HealthPlan should review its contents for guidance.

Partnership HealthPlan of California formally reported a data security breach to authorities in September 2026. This public filing confirms an incident affecting the organization's systems.

The breach took place on May 13, 2026. The company's current investigation status indicates ongoing monitoring of the situation following the compromise.

While the filing indicates a compromise of personal information, the specific categories of data exposed are not detailed in the public record. Individuals who may be affected would have received direct notification from Partnership HealthPlan of California.

If you received a notification regarding this incident, it is important to read it carefully for details pertinent to your situation. General precautions against potential identity theft include being vigilant for suspicious communications and monitoring personal accounts for any unauthorized activity.

DataBreachSearch.com provides information from official public filings, helping individuals confirm details about reported data security incidents.

Commonly recommended next steps

Freeze your credit
Place a free credit freeze with Equifax, Experian, and TransUnion. A freeze blocks new accounts from being opened in your name and can be lifted anytime.
Check for medical identity theft
Review the Explanation of Benefits statements from your health insurer for services or claims you never received, which can signal misuse of your medical identity.
Stay alert to targeted scams
Be cautious of calls, texts, or emails that reference this breach. Legitimate organizations won't ask you to confirm sensitive details through an unsolicited message.
Keep your notification letter
Save the notice you received. It documents that your information was involved and is often needed to enroll in any credit monitoring offered or to join a related legal claim.

Look up another company

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DataBreachSearch.com reports what was filed with state regulators. It is not legal advice, is not a law firm, and is not affiliated with any government agency or with Partnership HealthPlan of California.