HHS OCR report ยท 2026
DentaQuest, LLC data breach
DentaQuest, LLC, a health plan in Massachusetts, reported a breach affecting 15,000,000 individuals to HHS OCR on Jul 16, 2026.
OCR report facts
- Covered entity
- DentaQuest, LLC
- Entity type
- Health Plan
- State
- Massachusetts
- Individuals affected
- 15,000,000
- Submission date
- Jul 16, 2026
- Type of breach
- Hacking/IT Incident
- Location of breached information
- Network Server
- Business associate present
- No
- Status
- Under investigation
Frequently asked questions
How many people were affected by the DentaQuest, LLC data breach?
The report to HHS OCR lists 15,000,000 individuals affected.
When was it reported to HHS?
It was submitted to HHS OCR on Jul 16, 2026.
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?
Yes. The OCR portal lists this report as under investigation.
Is a breach notice letter from DentaQuest, LLC 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 DentaQuest, LLC.