HHS OCR report · 2019
Bayamon Medical Center Corp. data breach
OCR report facts
- Covered entity
- Bayamon Medical Center Corp.
- Entity type
- Healthcare Provider
- State
- State not reported
- Individuals affected
- 422,496
- Submission date
- Jul 19, 2019
- Type of breach
- Hacking/IT Incident
- Location of breached information
- Network Server
- Business associate present
- No
- Status
- Archive (closed)
OCR description
Bayamon Medical Center, the covered entity (CE), reported that it was the victim of a ransomware attack that affected the electronic protected health information (ePHI) of 422,496 individuals. The ePHI involved included names, addresses, birthdates, Social Security numbers, drivers’ license information, claims information, financial data, diagnoses, lab results, medications prescribed, health insurance information, clinical information, and treatment information. The CE notified HHS, affect...
Text as published on the HHS OCR breach portal.
Frequently asked questions
How many people were affected by the Bayamon Medical Center Corp. data breach?
The report to HHS OCR lists 422,496 individuals affected.
When was it reported to HHS?
It was submitted to HHS OCR on Jul 19, 2019.
What type of breach was it?
The OCR portal lists the type of breach as Hacking/IT Incident, with the breached information located in: Network Server.
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 Bayamon Medical Center Corp. 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 Bayamon Medical Center Corp..