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CJ Elmwood Partners

Disclosed Oct 22, 20187 years ago22,416 affectedConfirmed

Official notice

CJ Elmwood Partners, L.P., the covered entity (CE), reported that its business associate (BA) was the victim of a ransomware attack that affected the electronic protected health information (ePHI) of 22,416 individuals. The ePHI involved included names, addresses, birthdates, Social Security numbers, clinical information, financial and claims information, diagnoses, and other treatment information. The CEs notified HHS, affected individuals, and the media. In its mitigation efforts, the CE limited the amount of sensitive data available to its BA and implemented new administrative, technical, and security safeguards to better protect its ePHI. All staff were retrained. OCR provided technical assistance regarding the HIPAA Rules.

What is known

People affected22,416 (as reported to HHS)
DisclosedOct 22, 2018
AttackHacking
Data exposedNames, Health
SectorHealthcare · US
StatusConfirmed

Sources

Source
HHS OCR breach report (archive, resolved): CJ Elmwood Partners (Healthcare Provider, IA)ocrportal.hhs.gov · Official notice

Notices filed

WhereFiledPeople
HHS archivetotalOct 22, 201822,416
History of this record
  • 2026-09-25 · added · backfill source

First seen 2026-09-25 (HHS archive), confirmed by HHS OCR. Record counts are as reported. Not legal advice.

Everything about CJ Elmwood Partners

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