Regulator-posted notice

Breach notice filed by Buddhist Tzu Chi Medical Foundation (September 2021)

Organization named: Buddhist Tzu Chi Medical Foundation 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 Sept. 13, 2021.

Organization as reported: Buddhist Tzu Chi Medical Foundation, CA
Entity type as reported: Healthcare Provider
Category as reported: Hacking/IT Incident
Location of information as reported: Network Server
Submission date: Sept. 13, 2021
Observed by BreachRecords: 2026-10-18 16:15 UTC (revision 11912, row:3051)
Archived copy: Held in the private archive (provenance)

Buddhist Tzu Chi Medical Foundation, the covered entity (CE), reported that it was the victim of a ransomware attack that compromised the protected health information (PHI) of 18,968 individuals. The PHI involved included names, addresses, dates of birth, and diagnoses. The CE notified HHS, affected individuals, the media, and provided substitute notice. In response to the breach, the CE strengthened its administrative and technical safeguards and retrained its staff. OCR provided technical assistance regarding the HIPAA Privacy and Security Rule.
The source's own words, from the revision above.

Figures, per source

18,968 individuals affected (total reported), according to the HHS Office for Civil Rights breach portal, source date Sept. 13, 2021, 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.

2021-09-13Submission date (HHS Office for Civil Rights breach portal)
2026-10-18Observed by BreachRecords (revision 11912)
2026-10-19Approved by a reviewer

Organizations linked by a reviewer

Buddhist Tzu Chi Medical Foundation 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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