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MedStar Health

Disclosed May 3, 20242 years ago183,079 affectedConfirmed

Official notice

Medstar Health, the covered entity (CE), reported that several employees were the subjects of an email phishing scheme that compromised the protected health information (PHI) of 183,079 individuals. The PHI involved included names, dates of birth, addresses, clinical and financial information, and other identifiers. The CE notified HHS, affected individuals, the media, and posted substitute notice on its website. In its mitigation efforts, the CE provided additional security awareness training to all staff members and implemented additional technical safeguards.

What is known

People affected183,079 (as reported to HHS)
DisclosedMay 3, 2024
AttackHacking
Data exposedNames, Health
SectorHealthcare · US
StatusConfirmed

Sources

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

Notices filed

WhereFiledPeople
HHS archivetotalMay 3, 2024183,079

Other breaches at MedStar Health

BreachAffected
Disclosed Dec 3, 2025Dec 3, 20259 months agoHacking64K
Disclosed Sep 25, 2020Sep 25, 20206 years agoHacking668
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.

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