Skip to content
Network USA

HHS OCR report ยท 2013

AHMC Healthcare Inc. and affiliated Hospitals data breach

AHMC Healthcare Inc. and affiliated Hospitals, a healthcare provider in California, reported a breach affecting 729,000 individuals to HHS OCR on Oct 25, 2013.

OCR report facts

Covered entity
AHMC Healthcare Inc. and affiliated Hospitals
Entity type
Healthcare Provider
Individuals affected
729,000
Submission date
Oct 25, 2013
Type of breach
Theft
Location of breached information
Laptop
Business associate present
No
Status
Archive (closed)

OCR description

Two unencrypted laptop computers containing the protected health information (PHI) of 729,000 individuals were stolen from a secure office on October 23, 2013. The types of PHI involved in the breach included financial information, diagnoses, conditions, treatment information, and demographic information. The covered entity (CE), AHMC, provided breach notification to HHS, affected individuals, and the media. Following the breach, the CE implemented and maintained an encryption plan. It al...

Text as published on the HHS OCR breach portal.

Frequently asked questions

How many people were affected by the AHMC Healthcare Inc. and affiliated Hospitals data breach?
When was it reported to HHS?
What type of breach was it?
Is the investigation still open?
Is a breach notice letter from AHMC Healthcare Inc. and affiliated Hospitals legitimate?

Source: HHS OCR Breach Portal, OCR export October 2026. Network USA is not affiliated with HHS or AHMC Healthcare Inc. and affiliated Hospitals.