Healthcare Provider · Archived
John Muir Health - Walnut Creek Medical Center
821 individuals · submitted April 13, 2023
About this report
The covered entity (CE), John Muir Health – Walnut Creek Medical Center, reported that a workforce member posted a link to protected health information (PHI) on a publicly accessible website. This breach affected the PHI of 821 individuals. The PHI involved included names, diagnoses, and other treatment information. The CE notified HHS, affected individuals, the media, and provided substitute notice. In response to the breach, the CE sanctioned the workforce member involved and implemented additional administrative, technical, and security safeguards. Staff members were retrained to better protect its PHI.
Summary as published by the HHS Office for Civil Rights.
- Organization
- John Muir Health - Walnut Creek Medical Center
- State
- CA
- Entity type
- Healthcare Provider
- Individuals affected
- 821
- Submission date
- April 13, 2023
- Breach type
- Unauthorized Access/Disclosure
- Location of information
- Network Server
- Business associate present
- No
- OCR status
- Archived
More breach reports in CA
CA · Oct 9, 2026
Allswell Health Medical Group PA
638 individuals
CA · Oct 6, 2026
Nabi Health, Inc.
783 individuals
CA · Oct 3, 2026
iRhythm Technologies, Inc.
8,179,772 individuals
CA · Sep 14, 2026
Paradigm Healthcare Services
970,403 individuals
CA · Sep 10, 2026
Alma Family Services
2,753 individuals
CA · Sep 8, 2026
L.A. Care Health Plan
4,553 individuals
More Unauthorized Access/Disclosure reports
OR · Oct 8, 2026
AllCare Health, Inc.
782 individuals
AL · Sep 25, 2026
Vascular Associates of South Alabama
623 individuals
GA · Sep 25, 2026
Source Care Management, LLC d/b/a NextStep Care
685 individuals
OK · Sep 18, 2026
OU Medicine, Inc.
854 individuals
NH · Sep 17, 2026
Project Belle, LLC
840 individuals
NJ · Sep 16, 2026
At Home Medical, Inc.
1,091 individuals