HHS OCR report ยท 2023
Harvard Pilgrim Health Care data breach
Harvard Pilgrim Health Care, a health plan in Massachusetts, reported a breach affecting 2,662,337 individuals to HHS OCR on May 24, 2023.
OCR report facts
- Covered entity
- Harvard Pilgrim Health Care
- Entity type
- Health Plan
- State
- Massachusetts
- Individuals affected
- 2,662,337
- Submission date
- May 24, 2023
- Type of breach
- Hacking/IT Incident
- Location of breached information
- Network Server
- Business associate present
- No
- Status
- Archive (closed)
Frequently asked questions
How many people were affected by the Harvard Pilgrim Health Care data breach?
The report to HHS OCR lists 2,662,337 individuals affected.
When was it reported to HHS?
It was submitted to HHS OCR on May 24, 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 Harvard Pilgrim Health Care 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 Harvard Pilgrim Health Care.