HHS OCR report ยท 2025
Gilead Sciences, Inc. data breach
OCR report facts
- Covered entity
- Gilead Sciences, Inc.
- Entity type
- Health Plan
- State
- California
- Individuals affected
- 12,224
- Submission date
- Apr 2, 2025
- Type of breach
- Unauthorized Access/Disclosure
- Location of breached information
- Paper/Films
- Business associate present
- Yes
- Status
- Archive (closed)
OCR description
The covered entity (CE), Gilead Sciences, Inc., reported that its business associate (BA) made the protected health information (PHI) of 12,224 individuals viewable during mailing. The PHI involved included names, addresses, and Social Security numbers. The CE notified HHS, the media, and the affected individuals. In response to the breach, the CE provided free credit monitoring to affected individuals.
Text as published on the HHS OCR breach portal.
Frequently asked questions
How many people were affected by the Gilead Sciences, Inc. data breach?
The report to HHS OCR lists 12,224 individuals affected.
When was it reported to HHS?
It was submitted to HHS OCR on Apr 2, 2025.
What type of breach was it?
The OCR portal lists the type of breach as Unauthorized Access/Disclosure, with the breached information located in: Paper/Films.
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 Gilead Sciences, Inc. 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 Gilead Sciences, Inc..