Every public data breach

44 disclosed this week · 26,355 on record

Rush University Medical Center

Disclosed Nov 6, 20151,529 affectedConfirmed

Official notice

On September 9, 2015, a business associate (BA), Standard Register, erroneously mailed announcements concerning a retirement for the covered entity (CE), Rush University Medical Center, which resulted in misdirected letters being sent to the wrong patients associated with the clinic. The breach affected 1,529 individuals and included patients’ names. The CE provided breach notification to HHS, the media, and affected individuals, and provided substitute notice on its website. The CE also entered into a BA agreement with Standard Register and created policies and procedures to establish quality measures for mass mailings. OCR obtained documentation confirming that the CE implemented the corrective actions listed above.

What is known

People affected1,529 (as reported to HHS)
DisclosedNov 6, 2015
AttackInsider
Data exposedNamesHealth
SectorHealthcare · US
StatusConfirmed

Sources

Notices filed

Other breaches at Rush University Medical Center

History of this record
Added2026-09-25
First recordedby backfillSource

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

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