HHS OCR report · 2021
Apple Valley Clinic data breach
OCR report facts
- Covered entity
- Apple Valley Clinic
- Entity type
- Healthcare Provider
- State
- Minnesota
- Individuals affected
- 157,939
- Submission date
- Mar 26, 2021
- Type of breach
- Hacking/IT Incident
- Location of breached information
- Network Server
- Business associate present
- Yes
- Status
- Archive (closed)
OCR description
The covered entity (CE), Apple Valley Clinic, reported that its business associate (BA) was the victim of a cyber-attack that compromised the protected health information (PHI) of 157,939 individuals. The PHI involved included names, addresses, dates of birth, drivers’ license numbers, Social Security numbers, claims and financial information, diagnoses, lab results, and medication information. The CE notified HHS, affected individuals, the media, and provided substitute notice on its website...
Text as published on the HHS OCR breach portal.
Frequently asked questions
How many people were affected by the Apple Valley Clinic data breach?
The report to HHS OCR lists 157,939 individuals affected.
When was it reported to HHS?
It was submitted to HHS OCR on Mar 26, 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 Apple Valley Clinic 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 Apple Valley Clinic.