HHS OCR report · 2022
Ascension Michigan (single affiliated covered entity) ACE data breach
OCR report facts
- Covered entity
- Ascension Michigan (single affiliated covered entity) ACE
- Entity type
- Healthcare Provider
- State
- Michigan
- Individuals affected
- 27,177
- Submission date
- Feb 22, 2022
- Type of breach
- Unauthorized Access/Disclosure
- Location of breached information
- Electronic Medical Record
- Business associate present
- No
- Status
- Archive (closed)
OCR description
The covered entity (CE), Ascension Michigan ACE, reported that an employee impermissibly accessed the protected health information (PHI) for 27,177 individuals. The PHI involved included names, addresses, dates of birth, social security and drivers’ license numbers, claims information, diagnoses, lab results, and medications. The CE notified HHS and the affected individuals, and published media notice. In response to the breach, the CE implemented additional administrative and technical safeg...
Text as published on the HHS OCR breach portal.
Frequently asked questions
How many people were affected by the Ascension Michigan (single affiliated covered entity) ACE data breach?
The report to HHS OCR lists 27,177 individuals affected.
When was it reported to HHS?
It was submitted to HHS OCR on Feb 22, 2022.
What type of breach was it?
The OCR portal lists the type of breach as Unauthorized Access/Disclosure, 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 Ascension Michigan (single affiliated covered entity) ACE 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 Ascension Michigan (single affiliated covered entity) ACE.