HHS OCR report ยท 2023
Riverdale Mental Health d/b/a Mosaic Mental Health data breach
OCR report facts
- Covered entity
- Riverdale Mental Health d/b/a Mosaic Mental Health
- Entity type
- Healthcare Provider
- State
- New York
- Individuals affected
- 7,281
- Submission date
- Sep 25, 2023
- Type of breach
- Hacking/IT Incident
- Location of breached information
- Network Server
- Business associate present
- No
- Status
- Archive (closed)
OCR description
Riverdale Mental Health dba Mosaic Mental Health, the covered entity (CE), reported that it experienced a hacking attack that compromised the protected health information (PHI) of 7,281 individuals. The PHI involved included names, addresses, dates of birth, and Social Security numbers. The CE notified HHS, affected individuals, and the media. In its mitigation efforts, the CE implemented additional administrative, technical, and security safeguards to better protect its sensitive data.
Text as published on the HHS OCR breach portal.
Frequently asked questions
How many people were affected by the Riverdale Mental Health d/b/a Mosaic Mental Health data breach?
The report to HHS OCR lists 7,281 individuals affected.
When was it reported to HHS?
It was submitted to HHS OCR on Sep 25, 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 Riverdale Mental Health d/b/a Mosaic Mental Health 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 Riverdale Mental Health d/b/a Mosaic Mental Health.