Regulator-posted notice

Breach notice filed by Midwest Medical Center (May 2019)

Organization named: Midwest Medical Center 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 OCR breach portal (HIPAA breaches affecting 500 or more individuals) with a submission date of May 10, 2019.

Organization as reported: Midwest Medical Center, IL
Entity type as reported: Healthcare Provider
Category as reported: Hacking/IT Incident
Location of information as reported: Email
Submission date: May 10, 2019
Observed by BreachRecords: 2026-10-18 16:15 UTC (revision 13410, row:4549)
Archived copy: Held in the private archive (provenance)

Midwest Medical Center (MMC), the covered entity (CE), reported that an employee of its business associate (BA), OS, Inc., (OS), was the victim of an email phishing scheme that affected the protected health information (PHI) of 8,010 individuals. The PHI involved included names, addresses, dates of birth, medical record numbers, and treatment information. MMC notified HHS, the media, and posted substitute notice on its website. MMC and OS notified affected individuals and offered complimentary fraud consultation and theft restoration services. The BA also trained its staff on the proper methods for identifying fraudulent email communications.
The source's own words, from the revision above.

Figures, per source

8,010 individuals affected (total reported), as reported by the HHS OCR breach portal (HIPAA breaches affecting 500 or more individuals), source date May 10, 2019, 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.

2019-05-10Submission date at the HHS OCR breach portal (HIPAA breaches affecting 500 or more individuals)
2026-10-18Observed by BreachRecords (revision 13410)
2026-10-19Approved by a reviewer

Organizations linked by a reviewer

Midwest Medical Center 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, from the HHS OCR breach portal (HIPAA breaches affecting 500 or more individuals), retrieved 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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