HHS OCR report ยท 2019
Western Health Advantage data breach
OCR report facts
- Covered entity
- Western Health Advantage
- Entity type
- Health Plan
- State
- California
- Individuals affected
- 869
- Submission date
- Dec 13, 2019
- Type of breach
- Unauthorized Access/Disclosure
- Location of breached information
- Network Server
- Business associate present
- Yes
- Status
- Archive (closed)
OCR description
Cognizant TriZetto Software Group, Inc., a business associate (BA) of Western Health Advantage, experienced a communication error while performing routine maintenance on its servers which allowed another covered entity to inadvertently download the electronic protected health information (ePHI) of 869 individuals. The ePHI involved included names, birthdates, addresses, diagnoses, clinical information, and other treatment information. The CE notified HHS, affected individuals, and the medi...
Text as published on the HHS OCR breach portal.
Frequently asked questions
How many people were affected by the Western Health Advantage data breach?
The report to HHS OCR lists 869 individuals affected.
When was it reported to HHS?
It was submitted to HHS OCR on Dec 13, 2019.
What type of breach was it?
The OCR portal lists the type of breach as Unauthorized Access/Disclosure, with the breached information located in: Network Server.
Is the investigation still open?
No. The report is in the OCR portal archive, which holds reports where OCR has closed its review.
Is a breach notice letter from Western Health Advantage legitimate?
This site cannot verify letters. Check the sender against the organisation's official website and the HHS OCR breach portal, and avoid calling numbers or clicking links only listed in an unexpected message. See our guide on what to do after a data breach notice.
Source: HHS OCR Breach Portal, OCR export October 2026. Network USA is not affiliated with HHS or Western Health Advantage.