HHS OCR report ยท 2010
MSO of Puerto Rico data breach
MSO of Puerto Rico, a business associate in Puerto Rico, reported a breach affecting 605 individuals to HHS OCR on Feb 17, 2010.
OCR report facts
- Covered entity
- MSO of Puerto Rico
- Entity type
- Business Associate
- State
- Puerto Rico
- Individuals affected
- 605
- Submission date
- Feb 17, 2010
- Type of breach
- Theft
- Location of breached information
- Paper/Films
- Business associate present
- Yes
- Status
- Archive (closed)
OCR description
The covered entity's (CE) business associate (BA) erroneously merged two lists which led to the disclosure of protected health information (PHI) of 605 individuals. The PHI included names, internal identification numbers, and the number of emergency room visits. Upon discovery of the breach, the CE's BA established a quality control process in order to ensure adequate safeguards for that letters that are sent by mail. As a result of OCR's investigation, the CE created and implemented addit...
Text as published on the HHS OCR breach portal.
Frequently asked questions
How many people were affected by the MSO of Puerto Rico data breach?
The report to HHS OCR lists 605 individuals affected.
When was it reported to HHS?
It was submitted to HHS OCR on Feb 17, 2010.
What type of breach was it?
The OCR portal lists the type of breach as Theft, with the breached information located in: Paper/Films.
Is the investigation still open?
No. The report is in the OCR portal archive, which holds reports where OCR has closed its review.
Is a breach notice letter from MSO of Puerto Rico legitimate?
This site cannot verify letters. Check the sender against the organisation's official website and the HHS OCR breach portal, and avoid calling numbers or clicking links only listed in an unexpected message. See our guide on what to do after a data breach notice.
Source: HHS OCR Breach Portal, OCR export October 2026. Network USA is not affiliated with HHS or MSO of Puerto Rico.