HHS OCR report · 2020
Tak-ming Ko, M.D., LLC data breach
OCR report facts
- Covered entity
- Tak-ming Ko, M.D., LLC
- Entity type
- Healthcare Provider
- State
- Alaska
- Individuals affected
- 1,158
- Submission date
- Jul 9, 2020
- Type of breach
- Hacking/IT Incident
- Location of breached information
- Electronic Medical Record
- Business associate present
- Yes
- Status
- Archive (closed)
OCR description
The covered entity (CE), Tak-ming Ko, M.D., LLC, reported that its former business associate experienced a ransomware attack that affected the electronic protected health information (ePHI) of 1,158 individuals. The ePHI involved included names, addresses, dates of birth, drivers’ license numbers, Social Security numbers, claims information, diagnoses/conditions, lab results, medications prescribed, and other treatment information. The CE notified HHS, affected individuals, and the media. T...
Text as published on the HHS OCR breach portal.
Frequently asked questions
How many people were affected by the Tak-ming Ko, M.D., LLC data breach?
The report to HHS OCR lists 1,158 individuals affected.
When was it reported to HHS?
It was submitted to HHS OCR on Jul 9, 2020.
What type of breach was it?
The OCR portal lists the type of breach as Hacking/IT Incident, with the breached information located in: Electronic Medical Record.
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 Tak-ming Ko, M.D., LLC 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 Tak-ming Ko, M.D., LLC.