Regulator-posted notice

Breach notice filed by Mertz Manufacturing Inc Health Insurance Plan (December 2021)

Organization named: Mertz Manufacturing Inc Health Insurance Plan 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 Dec. 3, 2021.

Organization as reported: Mertz Manufacturing Inc Health Insurance Plan, OK
Entity type as reported: Health Plan
Category as reported: Hacking/IT Incident
Location of information as reported: Network Server
Submission date: Dec. 3, 2021
Observed by BreachRecords: 2026-10-18 16:15 UTC (revision 11748, row:2887)
Archived copy: Held in the private archive (provenance)

The covered entity (CE), Mertz Manufacturing Health Insurance Plan, reported that it experienced a ransomware incident that affected the protected health information (PHI) of 868 individuals. The PHI involved included names, addresses, dates of birth, and Social Security numbers. The CE notified HHS, affected individuals, the media, and posted substitute notice on its website. In response to the breach, the CE strengthened its policies and procedures and implemented additional technical safeguards. Staff were retrained.
The source's own words, from the revision above.

Figures, per source

868 individuals affected (total reported), according to the HHS Office for Civil Rights breach portal, source date Dec. 3, 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.

2021-12-03Submission date (HHS Office for Civil Rights breach portal)
2026-10-18Observed by BreachRecords (revision 11748)
2026-10-19Approved by a reviewer

Organizations linked by a reviewer

Mertz Manufacturing Inc Health Insurance Plan Named as the covered entity 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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