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Regulator-posted notice

Breach notice filed by West Anaheim Medical Center (November 2023)

Organization named: West Anaheim Medical Center Provisional: identity as filed, not yet matched to the directory
Type as the source lists it: Hacking/IT Incident

What the sources say

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 Nov. 29, 2023.

Organization as reported
West Anaheim Medical Center, CA
Entity type as reported
Healthcare Provider
Category as reported
Hacking/IT Incident
Location of information as reported
Network Server
Submission date
Nov. 29, 2023
Observed by BreachRecords
2026-10-18 16:15 UTC (revision 10312, row:1451)
Archived copy
Held in the private archive (provenance)

West Anaheim Medical Center, the covered entity (CE), reported that its business associate (BA) experienced a cyber-attack that compromised the protected health information (PHI) of 1,166 individuals. The PHI involved included names, Social Security numbers, addresses, birthdates, and other treatment information. In its mitigation efforts, the CE provided complimentary credit monitoring services and the CE and BA implemented additional administrative, technical, and security safeguards.

The source's own words, from the revision above.

Figures, per source

  • 1,166 individuals affected (total reported), according to the HHS Office for Civil Rights breach portal, source date Nov. 29, 2023, revision observed 2026-10-18.

Each figure is one source's figure with the basis that source gave. Figures from different sources are shown side by side and are not added, averaged or chosen between.

Timeline

Source dates are the dates the sources give. Observation dates are when BreachRecords recorded each revision.

  • Submission date (HHS Office for Civil Rights breach portal)
  • Observed by BreachRecords (revision 10312)
  • Approved by a reviewer

Organizations linked by a reviewer

  • West Anaheim Medical Center Named as the covered entity Provisional: identity as filed, not yet matched to the directory Linked 2026-10-19, method provisional.

Archived evidence

  • 3dbc27dd5742e041cc1e7fe18cc669e2901fbd3b86b7007ed27948ff4d406e1f
    text/csv, 5,530,996 bytes, retrieved from HHS Office for Civil Rights breach portal, 2026-10-18 16:15 UTC. Archived privately · Provenance · Source page

Records reflect source filings as of the dates shown. BreachRecords is not a regulator.

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