HHS OCR report ยท 2018
Walmart Inc. data breach
OCR report facts
- Covered entity
- Walmart Inc.
- Entity type
- Healthcare Provider
- State
- Arkansas
- Individuals affected
- 741
- Submission date
- Mar 26, 2018
- Type of breach
- Unauthorized Access/Disclosure
- Location of breached information
- Email, Other
- Business associate present
- No
- Status
- Archive (closed)
OCR description
Wal-Mart Stores, Inc., the covered entity (CE), reported that the electronic protected health information (ePHI) of 741 individuals was disclosed when a system error caused information about a patient to be viewed by the wrong patient via notification through the CE's app or an e-mail. The types of ePHI disclosed included names and prescription information. The CE provided breach notification to HHS, affected individuals, and the media. As a result of OCR's investigation, the CE provided ev...
Text as published on the HHS OCR breach portal.
Other reports by Walmart Inc.
| Covered entity | State | Entity type | Individuals | Submitted | Type of breach | Status |
|---|---|---|---|---|---|---|
| Walmart Inc. | AR | Healthcare Provider | 1,267 | Jun 14, 2024 | Unauthorized Access/Disclosure | Archive (closed) |
| Walmart Inc. | AR | Healthcare Provider | 14,532 | Jun 18, 2021 | Loss | Archive (closed) |
| Walmart Inc. | AR | Healthcare Provider | 2,071 | Mar 5, 2021 | Hacking/IT Incident | Archive (closed) |
| Walmart Inc. | AR | Healthcare Provider | 524 | Nov 20, 2020 | Theft | Archive (closed) |
| Walmart Inc. | AR | Healthcare Provider | 3,606 | Feb 12, 2020 | Loss | Archive (closed) |
| Walmart Inc. | AR | Healthcare Provider | 4,211 | Oct 17, 2019 | Loss | Archive (closed) |
| Walmart Inc. | AR | Healthcare Provider | 4,738 | Aug 9, 2019 | Loss | Archive (closed) |
| Walmart Inc. | AR | Healthcare Provider | 3,135 | Jul 26, 2019 | Loss | Archive (closed) |
Frequently asked questions
How many people were affected by the Walmart Inc. data breach?
The report to HHS OCR lists 741 individuals affected.
When was it reported to HHS?
It was submitted to HHS OCR on Mar 26, 2018.
What type of breach was it?
The OCR portal lists the type of breach as Unauthorized Access/Disclosure, with the breached information located in: Email, Other.
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 Walmart Inc. 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 Walmart Inc..