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Ohio Department of Mental Health and Addiction Services

Disclosed Apr 22, 201659,000 affectedConfirmed

Official notice

The covered entity (CE), Ohio Department of Mental Health and Addiction Services, reported that postcards containing protected health information (PHI) were mailed to patients and/or their families. The PHI involved included names, addresses, and treatment information. The postcards were mailed to approximately 54,000 individuals. The CE notified HHS, affected individuals, and the media. As a result of this breach, the CE halted further mailings of postcards containing sensitive information. The CE also adopted additional administrative safeguards to further protect its PHI and retrained its staff. OCR obtained assurances that the CE implemented the corrective actions noted.

What is known

People affected59,000 (as reported to HHS)
DisclosedApr 22, 2016
AttackInsider
Data exposedNamesHealth
SectorHealthcare · US
StatusConfirmed

Sources

Notices filed

History of this record
Added2026-09-25
First recordedby backfillSource

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

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