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Nemadji Research

Disclosed Jul 8, 20197 years ago14,591 affectedConfirmed

Official notice

Nemadji Research Corporation dba California Reimbursement Enterprises (Nemadji), a business associate (BA), reported that an employee was the victim of an email phishing scheme affecting 29,341 individuals. The protected health information (PHI) involved included names, addresses, dates of birth, Social Security Numbers, claims information, health insurance information, and clinical data. The BA notified HHS, affected individuals, the media, and established a toll free number for questions or concerns. Nemadji also provided credit monitoring and identity theft protection services to affected individuals. In its mitigation efforts, the BA implemented administrative and technical safeguards to better protect its data. It also retrained its staff on the proper methods of identifying fraudulent email communications. OCR obtained assurances that the CE implemented the corrective measures noted.

What is known

People affected14,591 (as reported to HHS)
DisclosedJul 8, 2019
HappenedMar 28, 2019
AttackHacking
Data exposedNames, Health
SectorHealthcare · US
StatusConfirmed

Sources

Source
California Attorney General breach notice: Nemadji Researchoag.ca.gov · Official notice
HHS OCR breach report (archive, resolved): Nemadji Research (Business Associate, MN)ocrportal.hhs.gov · Official notice

Notices filed

WhereFiledPeople
California AGresidents of CAJul 8, 2019
HHS archivetotalJul 8, 201914,591
History of this record
  • 2026-09-25 · sector: other to health · backfill source
  • 2026-09-25 · attack: unknown to hacking · backfill source
  • 2026-09-25 · data_types: [] to ["names","health"] · backfill source
  • 2026-09-25 · records_basis: empty to hhs · backfill source
  • 2026-09-25 · records: empty to 14591 · backfill source
  • 2026-09-25 · summary: empty to Nemadji Research Corporation dba California Reimbursement Enterprises (Nemadji), a business associate (BA), reported that an employee was the victim of an email phishing scheme affecting 29,341 individuals. The protected health information · backfill source
  • 2026-09-25 · added · backfill source

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

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