Skip to content

Palomar Health

Disclosed Oct 20, 20178 years ago1,309 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 exposedNames, Health
SectorHealthcare · US
StatusConfirmed

Sources

Source
California Attorney General breach notice: Palomar Healthoag.ca.gov · Official notice
HHS OCR breach report (archive, resolved): Palomar Health (Healthcare Provider, CA)ocrportal.hhs.gov · Official notice

Notices filed

WhereFiledPeople
California AGresidents of CAOct 20, 2017
HHS archivetotalJan 8, 20181,309

Other breaches at Palomar Health

BreachAffected
Disclosed Jun 21, 2023Jun 21, 20233 years agoUnknown
Disclosed Mar 28, 2014Mar 28, 201412 years agoUnknown
History of this record
  • 2026-09-25 · attack: unknown to insider · 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 1309 · backfill source
  • 2026-09-25 · summary: 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 health · 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.

Everything about Palomar Health

New breaches by email

Wednesdays, only in weeks with newly disclosed breaches, the largest first.

Double opt-in. Unsubscribe any time.