HHS OCR report ยท 2022
Arbuckle Memorial Hospital data breach
OCR report facts
- Covered entity
- Arbuckle Memorial Hospital
- Entity type
- Healthcare Provider
- State
- Oklahoma
- Individuals affected
- 1,907
- Submission date
- Jul 5, 2022
- 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), Arbuckle Memorial Hospital, reported that its business associate (BA) experienced a ransomware attack that compromised the protected health information (PHI) of approximately 1,907 individuals. The PHI involved included names, addresses, dates of birth, Social Security numbers, and financial information. The CE notified HHS, affected individuals, and the media. OCR has initiated a compliance review of the business associate regarding this breach.
Text as published on the HHS OCR breach portal.
Frequently asked questions
How many people were affected by the Arbuckle Memorial Hospital data breach?
The report to HHS OCR lists 1,907 individuals affected.
When was it reported to HHS?
It was submitted to HHS OCR on Jul 5, 2022.
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 Arbuckle Memorial 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 Arbuckle Memorial Hospital.