HHS OCR report ยท 2025
Heartland Regional Medical Center d/b/a Mosaic Life Care data breach
OCR report facts
- Covered entity
- Heartland Regional Medical Center d/b/a Mosaic Life Care
- Entity type
- Healthcare Provider
- State
- Missouri
- Individuals affected
- 145,269
- Submission date
- Jun 27, 2025
- Type of breach
- Hacking/IT Incident
- Location of breached information
- Network Server
- Business associate present
- Yes
- Status
- Archive (closed)
OCR description
The covered entity (CE), Heartland Regional Medical Center dba Mosaic Life Care, reported that its business associate (BA) experienced a cybersecurity incident that compromised the protected health information (PHI) of 145,269 individuals. The PHI involved included clinical and demographic information. The CE notified HHS, the affected individuals, and the media, and provided substitute notice. In response to the breach, the CE provided complimentary credit monitoring services to the affec...
Text as published on the HHS OCR breach portal.
Frequently asked questions
How many people were affected by the Heartland Regional Medical Center d/b/a Mosaic Life Care data breach?
The report to HHS OCR lists 145,269 individuals affected.
When was it reported to HHS?
It was submitted to HHS OCR on Jun 27, 2025.
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 Heartland Regional Medical Center d/b/a Mosaic Life 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 Heartland Regional Medical Center d/b/a Mosaic Life Care.