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Regulator-posted notice

Breach notice filed by Sunflower Medical Group, P.A. (March 2025)

Organization named: Sunflower Medical Group, P.A. 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 March 7, 2025.

Organization as reported
Sunflower Medical Group, P.A., KS
Entity type as reported
Healthcare Provider
Category as reported
Hacking/IT Incident
Location of information as reported
Network Server
Submission date
March 7, 2025
Observed by BreachRecords
2026-10-18 16:15 UTC (revision 9411, row:550)
Archived copy
Held in the private archive (provenance)

The covered entity (CE), Sunflower Medical group, reported that it experienced a cyberattack that compromised the protected health information (PHI) of approximately 220,968 individuals. The PHI involved names, dates of birth, addresses, social security and drivers’ license numbers, claims information, diagnoses/conditions, lab results, medications, and other treatment information. The CE notified HHS, affected individuals, and the media. In its mitigation efforts, the CE deployed endpoint monitoring, implemented security enhancements, and retrained its workforce to better protect its electronic PHI. OCR provided the CE with technical assistance regarding the HIPAA Rules.

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

Figures, per source

  • 220,968 individuals affected (total reported), according to the HHS Office for Civil Rights breach portal, source date March 7, 2025, 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 9411)
  • Approved by a reviewer

Organizations linked by a reviewer

  • Sunflower Medical Group, P.A. 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.

Request a correction

A record that disagrees with its source, names the wrong organization or duplicates another is corrected after review. This form is about Breach notice filed by Sunflower Medical Group, P.A. (March 2025). We acknowledge every request within two business days. We reply by email.

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