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Regulator-posted notice

Breach notice filed by Maestro Health, LLC (April 2021)

Organization named: Maestro Health, LLC Provisional: identity as filed, not yet matched to the directory
Type as the source lists it: Hacking/IT Incident

What the sources say

HHS OCR breach portal (HIPAA breaches affecting 500 or more individuals) Primary notice

Posted on the HHS Office for Civil Rights breach portal with a submission date of April 6, 2021.

Organization as reported
Maestro Health, LLC, IL
Entity type as reported
Business Associate
Category as reported
Hacking/IT Incident
Location of information as reported
Email
Submission date
April 6, 2021
Observed by BreachRecords
2026-10-18 16:15 UTC (revision 12238, row:3377)
Archived copy
Held in the private archive (provenance)

The business associate (BA), Maestro Health, reported that several employees were the victims of an email phishing attack affecting the protected health information (PHI) of 18,488 individuals. The PHI involved included names, dates of birth, addresses, and Social Security numbers. The BA notified HHS, affected individuals, and the media. In response to the breach, the BA implemented additional administrative, technical, and security safeguards, revised its policies and procedures, retrained its employees on email security, and provided affected individuals with credit monitoring services. OCR provided technical assistance to the BA regarding the HIPAA Rules.

The source's own words, from the revision above.

Figures, per source

  • 18,488 individuals affected (total reported), according to the HHS Office for Civil Rights breach portal, source date April 6, 2021, revision observed 2026-10-18.

Each figure is one source's figure with the basis that source gave. Figures from different sources are shown side by side and are not added, averaged or chosen between.

Timeline

Source dates are the dates the sources give. Observation dates are when BreachRecords recorded each revision.

  • Submission date (HHS Office for Civil Rights breach portal)
  • Observed by BreachRecords (revision 12238)
  • Approved by a reviewer

Organizations linked by a reviewer

  • Maestro Health, LLC Named as a service provider Provisional: identity as filed, not yet matched to the directory Linked 2026-10-19, method provisional.

Archived evidence

  • 3dbc27dd5742e041cc1e7fe18cc669e2901fbd3b86b7007ed27948ff4d406e1f
    text/csv, 5,530,996 bytes, retrieved from HHS Office for Civil Rights breach portal, 2026-10-18 16:15 UTC. Archived privately · Provenance · Source page

Records reflect source filings as of the dates shown. BreachRecords is not a regulator.

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