- State
- MD
- Covered entity type
- Business Associate
- Individuals affected
- 319,485
- Business associate present
- Yes
- Type of breach
- Hacking/IT Incident
- Location of breached information
- Network Server
- First seen by InfoSec Signals
- 9/23/2026
- Last seen in OCR export
- 9/23/2026
OCR description
The covered entity (CE), Advanced Medical Management reported that it experienced a cyber-attack that compromised the protected health information (PHI) of 319,485 individuals. The PHI involved names, dates of birth, addresses, Social Security and drivers’ license numbers, claims information, diagnoses, lab results, medications, and other treatment information. In response to the breach, the CE implemented new technical safeguards.
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.