HHS OCR report · 2023
Advanced Medical Management, LLC data breach
OCR report facts
- Covered entity
- Advanced Medical Management, LLC
- Entity type
- Business Associate
- State
- Maryland
- Individuals affected
- 319,485
- Submission date
- Jun 29, 2023
- Type of breach
- Hacking/IT Incident
- Location of breached information
- Network Server
- Business associate present
- Yes
- Status
- Archive (closed)
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.
Text as published on the HHS OCR breach portal.
Other reports by Advanced Medical Management, LLC
| Covered entity | State | Entity type | Individuals | Submitted | Type of breach | Status |
|---|---|---|---|---|---|---|
| Advanced Medical Management, LLC | KS | Healthcare Provider | 2,815 | Aug 19, 2024 | Hacking/IT Incident | Archive (closed) |
Frequently asked questions
How many people were affected by the Advanced Medical Management, LLC data breach?
The report to HHS OCR lists 319,485 individuals affected.
When was it reported to HHS?
It was submitted to HHS OCR on Jun 29, 2023.
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 Advanced Medical Management, 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 Advanced Medical Management, LLC.