HHS OCR report ยท 2021
City of Joplin data breach
OCR report facts
- Covered entity
- City of Joplin
- Entity type
- Health Plan
- State
- Missouri
- Individuals affected
- 2,494
- Submission date
- Sep 8, 2021
- Type of breach
- Hacking/IT Incident
- Location of breached information
- Network Server
- Business associate present
- No
- Status
- Archive (closed)
OCR description
The covered entity (CE), Magellan RX Management, reported that employees of its business associate (BA) were the victims of an email phishing attack affecting the protected health information (PHI) of 13,663 individuals. The PHI involved included names, dates of birth, addresses, and financial and clinical information. The CE notified HHS, affected individuals, the media, and provided substitute notice. In response to the breach, the CE implemented additional administrative safeguards and ter...
Text as published on the HHS OCR breach portal.
Frequently asked questions
How many people were affected by the City of Joplin data breach?
The report to HHS OCR lists 2,494 individuals affected.
When was it reported to HHS?
It was submitted to HHS OCR on Sep 8, 2021.
What type of breach was it?
The OCR portal lists the type of breach as Hacking/IT Incident, with the breached information located in: Network Server.
Is the investigation still open?
No. The report is in the OCR portal archive, which holds reports where OCR has closed its review.
Is a breach notice letter from City of Joplin legitimate?
This site cannot verify letters. Check the sender against the organisation's official website and the HHS OCR breach portal, and avoid calling numbers or clicking links only listed in an unexpected message. See our guide on what to do after a data breach notice.
Source: HHS OCR Breach Portal, OCR export October 2026. Network USA is not affiliated with HHS or City of Joplin.