HHS OCR breach portal (HIPAA breaches affecting 500 or more individuals) Primary notice
Posted on the HHS Office for Civil Rights breach portal with a submission date of Jan. 27, 2023.
- Organization as reported
- Hayward Sisters Hospital d/b/a St. Rose Hospital, CA
- Entity type as reported
- Healthcare Provider
- Category as reported
Hacking/IT Incident
- Location of information as reported
- Network Server
- Submission date
- Jan. 27, 2023
- Observed by BreachRecords
- 2026-10-18 16:15 UTC (revision 10942, row:2081)
- Archived copy
- Held in the private archive (provenance)
The covered entity (CE), Hayward Sisters Hospital dba St. Rose Hospital, reported that it was the subject of a ransomware attack that affected the protected health information (PHI) of 115,241 individuals. The PHI involved included names, addresses, dates of birth, Social Security numbers, drivers’ license and passport numbers, e-mail addresses, claims and financial information, diagnoses, lab results, medications, health insurance information, and other treatment information. The CE notified HHS, affected individuals, and the media. In response to the breach, the CE provided complimentary credit monitoring services and implemented additional administrative, technical, and security safeguards to better protect its PHI.