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44 disclosed this week · 26,355 on record

McAllen Surgical Specialty Center

Disclosed Sep 20, 202129,227 affectedConfirmed

Official notice

McAllen Surgical Specialty Center, the covered entity (CE), reported that it experienced a cybersecurity incident that compromised the protected health information (PHI) of 29,227 individuals. The PHI involved included names, dates of birth, addresses, Social Security numbers, diagnoses, and other treatment information. The CE notified HHS, affected individuals, and the media. In response to the breach, the CE implemented additional administrative and technical safeguards to better protect sensitive data.

What is known

People affected29,227 (as reported by the organization)
DisclosedSep 20, 2021
HappenedMay 12, 2021
AttackHacking
Data exposedNamesHealth
SectorHealthcare · US
StatusConfirmed

Sources

Notices filed

History of this record
attack2026-09-25
unknown to hackingby backfillSource
data_types2026-09-25
[] to ["names","health"]by backfillSource
disclosed2026-09-25
2021-10-22 to 2021-09-20by backfillSource
summary2026-09-25
empty to McAllen Surgical Specialty Center, the covered entity (CE), reported that it experienced a cybersecurity incident that compromised the protected health information (PHI) of 29,227 individuals. The PHI involved included names, dates of birthby backfillSource
Added2026-09-25
First recordedby backfillSource

First seen 2026-09-25 (Indiana AG), confirmed by Indiana AG. Record counts are as reported. Not legal advice.

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