HHS OCR report · 2018
Children's Mercy Hospital data breach
OCR report facts
- Covered entity
- Children's Mercy Hospital
- Entity type
- Healthcare Provider
- State
- Missouri
- Individuals affected
- 65,930
- Submission date
- Jan 31, 2018
- Type of breach
- Hacking/IT Incident
- Location of breached information
- Business associate present
- No
- Status
- Archive (closed)
OCR description
The covered entity (CE), Children’s Mercy Hospital, reported that multiple employees were the victims of an email phishing attack that compromised the protected health information (PHI) of 65,930 individuals. The PHI involved included names, addresses, dates of birth, diagnoses, lab results, and other treatment information. The CE notified HHS, affected individuals, the media, and provided substitute notice on its website. In response to the breach, the CE retrained all employees on email se...
Text as published on the HHS OCR breach portal.
Other reports by Children's Mercy Hospital
| Covered entity | State | Entity type | Individuals | Submitted | Type of breach | Status |
|---|---|---|---|---|---|---|
| Children's Mercy Hospital | MO | Healthcare Provider | 1,463 | Jun 27, 2018 | Hacking/IT Incident | Archive (closed) |
| Children's Mercy Hospital | MO | Healthcare Provider | 5,511 | May 19, 2017 | Unauthorized Access/Disclosure | Archive (closed) |
| Children's Mercy Hospital | MO | Business Associate | 4,067 | Aug 15, 2014 | Hacking/IT Incident | Archive (closed) |
Frequently asked questions
How many people were affected by the Children's Mercy Hospital data breach?
The report to HHS OCR lists 65,930 individuals affected.
When was it reported to HHS?
It was submitted to HHS OCR on Jan 31, 2018.
What type of breach was it?
The OCR portal lists the type of breach as Hacking/IT Incident, with the breached information located in: Email.
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 Children's Mercy Hospital 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 Children's Mercy Hospital.