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Michigan Avenue Immediate Care

ArchivedSubmitted 06/30/2022

Updated 23 hours ago ()

State
IL
Covered entity type
Healthcare Provider
Individuals affected
144,104
Business associate present
No
Type of breach
Hacking/IT Incident
Location of breached information
Network Server
First seen by InfoSec Signals
Sep 23, 2026
Last seen in OCR export
Oct 25, 2026

OCR description

Michigan Avenue Immediate Care, the covered entity (CE), reported that it experienced a cyber-attack that compromised the protected health information (PHI) of 144,104 individuals. The PHI involved included names, addresses, telephone numbers, dates of birth, Social Security numbers, drivers’ license numbers, and health insurance and treatment information. The CE notified HHS, affected individuals, the media, and posted substitute notice on its website. In its mitigation efforts, the CE implemented additional administrative, technical, and security safeguards to better protect its sensitive data. All staff were retrained.

Change history

  • Sep 23, 2026Added to OCR's archive list

Source: HHS OCR Breach Portal, U.S. Department of Health and Human Services, Office for Civil Rights about this source

Records are reproduced as published; entity names and figures are OCR's.

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