BreachScout BreachScout Breach Records

Regulator-posted notice

Breach notice filed by John Muir Physician Network (June 2021)

Organization named: John Muir Physician Network Provisional: identity as filed, not yet matched to the directory
Type as the source lists it: Unauthorized Access/Disclosure

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 June 24, 2021.

Organization as reported
John Muir Physician Network, CA
Entity type as reported
Healthcare Provider
Category as reported
Unauthorized Access/Disclosure
Location of information as reported
Email
Submission date
June 24, 2021
Observed by BreachRecords
2026-10-18 16:15 UTC (revision 12056, row:3195)
Archived copy
Held in the private archive (provenance)

The covered entity (CE), John Muir Physician Network, reported that an employee impermissibly provided an individual with access to an Excel file that contained the electronic protected health information (ePHI) of 1,081 individuals. The ePHI involved included names, diagnoses, and health insurance and treatment information. The CE notified HHS, affected individuals, the media, and provided substitute notice on its website. In response to the breach, the CE sanctioned the responsible employee and implemented additional administrative and technical safeguards to protect its sensitive data.

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

Figures, per source

  • 1,081 individuals affected (total reported), according to the HHS Office for Civil Rights breach portal, source date June 24, 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 12056)
  • Approved by a reviewer

Organizations linked by a reviewer

  • John Muir Physician Network 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 John Muir Physician Network (June 2021). We acknowledge every request within two business days. We reply by email.

The form is being set up. Check back soon.