Regulator-posted notice

Breach notice filed by MSO of Puerto Rico (February 2010)

Organization named: MSO of Puerto Rico, Inc. Provisional: identity as filed, not yet matched to the directory
Type as the source lists it: Theft

What the sources say

HHS OCR breach portal (HIPAA breaches affecting 500 or more individuals) Primary notice

Posted on the HHS OCR breach portal (HIPAA breaches affecting 500 or more individuals) with a submission date of Feb. 17, 2010.

Organization as reported: MSO of Puerto Rico, PR
Entity type as reported: Business Associate
Category as reported: Theft
Location of information as reported: Paper/Films
Submission date: Feb. 17, 2010
Observed by BreachRecords: 2026-10-18 16:15 UTC (revision 16098, row:7237)
Archived copy: Held in the private archive (provenance)

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 additional policies and procedures for quality control of mailings. The CE also provided training to all staff on its revised privacy and security policies and procedures. \ \
The source's own words, from the revision above.

Figures, per source

605 individuals affected (total reported), as reported by the HHS OCR breach portal (HIPAA breaches affecting 500 or more individuals), source date Feb. 17, 2010, 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.

2010-02-17Submission date at the HHS OCR breach portal (HIPAA breaches affecting 500 or more individuals)
2026-10-18Observed by BreachRecords (revision 16098)
2026-10-19Approved by a reviewer

Organizations linked by a reviewer

MSO of Puerto Rico, Inc. Named as a service provider 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, from the HHS OCR breach portal (HIPAA breaches affecting 500 or more individuals), retrieved 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.

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