Regulator-posted notice

Breach notice filed by McAllen Hospitals, LP d/b/a South Texas Health System (March 2023)

Organization named: McAllen Hospitals, LP d/b/a South Texas Health System 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 March 20, 2023.

Organization as reported: McAllen Hospitals, LP d/b/a South Texas Health System, TX
Entity type as reported: Healthcare Provider
Category as reported: Hacking/IT Incident
Location of information as reported: Email
Submission date: March 20, 2023
Observed by BreachRecords: 2026-10-18 16:15 UTC (revision 10849, row:1988)
Archived copy: Held in the private archive (provenance)

The covered entity (CE), McAllen Hospitals dba South Texas Health System, reported that an employee was the subject of an email phishing scheme that affected the protected health information (PHI) of 134,634 individuals. The PHI involved included names, diagnoses, and financial and claims information. The CE notified HHS, affected individuals, and the media. In response to the breach, the CE implemented additional administrative, technical, and security safeguards and retrained staff on email security.
The source's own words, from the revision above.

Figures, per source

134,634 individuals affected (total reported), according to the HHS Office for Civil Rights breach portal, source date March 20, 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.

2023-03-20Submission date (HHS Office for Civil Rights breach portal)
2026-10-18Observed by BreachRecords (revision 10849)
2026-10-19Approved by a reviewer

Organizations linked by a reviewer

McAllen Hospitals, LP d/b/a South Texas Health System 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.

Request a correction

A record that disagrees with its source, names the wrong organization or duplicates another is corrected after review. This form is about Breach notice filed by McAllen Hospitals, LP d/b/a South Texas Health System (March 2023). We acknowledge every request within two business days. We reply by email.

The form is being set up. Check back soon.