- State
- MO
- Covered entity type
- Healthcare Provider
- Individuals affected
- 794
- Business associate present
- No
- Type of breach
- Hacking/IT Incident
- Location of breached information
- First seen by InfoSec Signals
- 9/23/2026
- Last seen in OCR export
- 9/23/2026
OCR description
The covered entity (CE), Cedar Oaks Surgery Center, reported that an employee was subjected to an email phishing scheme that compromised the protected health information (PHI) of 794 individuals. The PHI involved included names, addresses, dates of birth, Social Security numbers, claims information, diagnoses, medications, and other treatment information. The CE notified HHS, affected individuals, and the media. In response to the breach, the CE provided complimentary credit monitoring services and implemented additional administrative and technical safeguards. Staff were retrained on email security.
Change history
- 9/23/2026Added to OCR's archive list
Source: U.S. Department of Health and Human Services, Office for Civil Rights, Breach Portal. Records are reproduced as published; entity names and figures are OCR's.