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47 disclosed this week · 26,367 on record

Palomar Health

Disclosed Oct 20, 20171,309 affectedConfirmed

Official notice

On February 10, 2016, the covered entity (CE), Palomar Medical Center, discovered that a PMC- Escondido Emergency Room (ER) nurse accessed the medical records of patients without a work-related reason to do so. The types of protected health information (PHI) involved in the breach included the demographic and clinical information of approximately 1,309 individuals. The CE provided breach notification to HHS, affected individuals, and the media. Following the breach, the CE implemented new technical safeguards, provided individuals with free credit monitoring, and sanctioned the workforce member. As a result of OCR’s investigation, the CE restricted the ER nurse from having access to its facilities, patients, and the electronic medical record. The CE reported the matter to the Board of Registered Nursing (BRN) and the California Department of Public Health (CDPH). The CE’s Information Security Office circulated an information security awareness sheet related to unauthorized access via email to all employees and began implementing a new functionality of the Fair Warning tool: a report that runs daily and identifies disproportionate instances of access to patient medical records by st

What is known

People affected1,309 (as reported to HHS)
DisclosedOct 20, 2017
HappenedSep 27, 2017
AttackInsider
Data exposedNamesHealth
SectorHealthcare · US
StatusConfirmed

Sources

Notices filed

Other breaches at Palomar Health

History of this record
attack2026-09-25
unknown to insiderby backfillSource
data_types2026-09-25
[] to ["names","health"]by backfillSource
records_basis2026-09-25
empty to hhsby backfillSource
records2026-09-25
empty to 1309by backfillSource
summary2026-09-25
empty to On February 10, 2016, the covered entity (CE), Palomar Medical Center, discovered that a PMC- Escondido Emergency Room (ER) nurse accessed the medical records of patients without a work-related reason to do so. The types of protected healthby backfillSource
Added2026-09-25
First recordedby backfillSource

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

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