HHS OCR report · 2024
McLean Hospital data breach
OCR report facts
- Covered entity
- McLean Hospital
- Entity type
- Healthcare Provider
- State
- Massachusetts
- Individuals affected
- 2,231
- Submission date
- May 21, 2024
- Type of breach
- Unauthorized Access/Disclosure
- Location of breached information
- Business associate present
- No
- Status
- Archive (closed)
OCR description
The covered entity (CE), McLean Hospital, reported that an employee inadvertently made an internal link that contained the protected health information (PHI) of 2,231 individuals available to anyone receiving the link via email. The PHI involved included names, email addresses, dates of birth, Social Security and drivers’ license numbers, telephone numbers, diagnoses, medications, and health insurance and other treatment information. The CE notified HHS, the affected individuals, the media, ...
Text as published on the HHS OCR breach portal.
Frequently asked questions
How many people were affected by the McLean Hospital data breach?
The report to HHS OCR lists 2,231 individuals affected.
When was it reported to HHS?
It was submitted to HHS OCR on May 21, 2024.
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.
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 McLean Hospital 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 McLean Hospital.