Skip to content

Mercy Health

Disclosed Dec 4, 20205 years ago11,187 affectedConfirmed

Official notice

The covered entity (CE), Mercy Health, reported that an employee impermissibly accessed the protected health information (PHI) of 11,187 individuals. The PHI involved included names, addresses, dates of birth, diagnoses, lab results, and other treatment information. The CE notified HHS, affected individuals, the media, and posted substitute notice on its website. In response to the breach, the CE sanctioned the employee and provided affected individuals with complimentary credit monitoring services and implemented additional technical safeguards.

What is known

People affected11,187 (as reported to HHS)
DisclosedDec 4, 2020
AttackInsider
Data exposedNames, Health
SectorHealthcare · US
StatusConfirmed

Sources

Source
HHS OCR breach report (archive, resolved): Mercy Health (Healthcare Provider, MO)ocrportal.hhs.gov · Official notice

Notices filed

WhereFiledPeople
HHS archivetotalDec 4, 202011,187

Other breaches at Mercy Health

BreachAffected
Disclosed Jan 7, 2019Jan 7, 20197 years ago899
History of this record
  • 2026-09-25 · added · backfill source

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

Everything about Mercy Health

New breaches by email

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

Double opt-in. Unsubscribe any time.