HHS OCR report ยท 2021
Luminis Health Anne Arundel Medical Center data breach
OCR report facts
- Covered entity
- Luminis Health Anne Arundel Medical Center
- Entity type
- Healthcare Provider
- State
- Maryland
- Individuals affected
- 824,450
- Submission date
- Nov 2, 2021
- Type of breach
- Hacking/IT Incident
- Location of breached information
- Business associate present
- No
- Status
- Archive (closed)
OCR description
The covered entity (CE), Luminis Health Anne Arundel Medical Center, reported that multiple employees were the victims of an email phishing attack that compromised the protected health information (PHI) of approximately 824,450 individuals. The PHI involved included names, dates of birth, medical record numbers, Social Security numbers, diagnoses, and treatment and claims information. The CE notified HHS, affected individuals, the media, and provided substitute notice on its website. In respo...
Text as published on the HHS OCR breach portal.
Frequently asked questions
How many people were affected by the Luminis Health Anne Arundel Medical Center data breach?
The report to HHS OCR lists 824,450 individuals affected.
When was it reported to HHS?
It was submitted to HHS OCR on Nov 2, 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: 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 Luminis Health Anne Arundel Medical Center 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 Luminis Health Anne Arundel Medical Center.