HHS OCR report ยท 2023
Tidewater Diagnostic Imaging, Ltd. data breach
OCR report facts
- Covered entity
- Tidewater Diagnostic Imaging, Ltd.
- Entity type
- Healthcare Provider
- State
- Massachusetts
- Individuals affected
- 40,195
- Submission date
- Jun 26, 2023
- Type of breach
- Hacking/IT Incident
- Location of breached information
- Network Server
- Business associate present
- No
- Status
- Archive (closed)
OCR description
The covered entity (CE), Tidewater Diagnostic Imaging, reported that its business associate (BA) was the victim of a hacking attack affecting the protected health information (PHI) of 40,195 individuals. The PHI involved included names, Social Security numbers, dates of service, and other treatment information. The CE notified HHS, affected individuals, the media, and posted substitute notice on its website. In its mitigation efforts, the CE and BA implemented additional administrative, techn...
Text as published on the HHS OCR breach portal.
Frequently asked questions
How many people were affected by the Tidewater Diagnostic Imaging, Ltd. data breach?
The report to HHS OCR lists 40,195 individuals affected.
When was it reported to HHS?
It was submitted to HHS OCR on Jun 26, 2023.
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 Tidewater Diagnostic Imaging, Ltd. 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 Tidewater Diagnostic Imaging, Ltd..