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47 disclosed this week · 26,367 on record

MMM Healthcare

Disclosed May 9, 201132,390 affectedConfirmed

Official notice

Thieves broke into the MMM Healthcare, Inc. facility located in Humacao, Puerto Rico and stole four unencrypted desktop computers containing 32,390 health plan members’ electronic protected health information (ePHI). The ePHI stored in the stolen computers included names, addresses, phone numbers, Medicare numbers, diagnosis and treatment information, health plan names, health plan member identification numbers, health plan enrollment information, health care claim information, and social security numbers. The CE provided breach notification to HHS, affected individuals, and the media. Following the breach, the CE repaired a damaged wall and improved physical security for the facility and the surrounding premises. As a result of OCR’s investigation, the CE encrypted all computers located at its regional offices. OCR obtained assurances that the CE implemented the corrective actions listed above. Additionally, OCR stated its expectation that the CE will perform a thorough and accurate risk analysis and establish a risk management plan. In addition, OCR stated its expectation that the CE will implement contingency operations procedures, implement its security policies and procedures,

What is known

People affected32,390 (as reported to HHS)
DisclosedMay 9, 2011
AttackLost or stolen device
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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