HHS OCR report · 2018
Walmart, Inc. data breach
OCR report facts
- Covered entity
- Walmart, Inc.
- Entity type
- Healthcare Provider
- State
- Arkansas
- Individuals affected
- 735
- Submission date
- Feb 22, 2018
- Type of breach
- Unauthorized Access/Disclosure
- Location of breached information
- Electronic Medical Record
- 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 735 individuals was disclosed when an internal error affected their pharmacy account profiles, causing ePHI to be viewable by another patient or his/her authorized representative when accessing his/her online pharmacy account or if he/she requested a copy of his/her record. The information disclosed included patients’ name, contact information, dates of birth, card holder insur...
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 | 828 | Oct 26, 2021 | Loss | Archive (closed) |
Frequently asked questions
How many people were affected by the Walmart, Inc. data breach?
The report to HHS OCR lists 735 individuals affected.
When was it reported to HHS?
It was submitted to HHS OCR on Feb 22, 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: Electronic Medical Record.
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..