Deer Oaks Data Breach Investigation

Turke & Strauss LLP, a leading data breach law firm, is investigating Deer Oaks Behavioral Health regarding its recent data breach. The Deer Oaks data breach involved sensitive personal identifiable information and protected health information belonging to over 171,000 individuals.


Deer Oaks is a behavioral health services provider specializing in post-acute care for elderly individuals recovering from injury, illness, or disability. As a behavioral healthcare provider, Deer Oaks offers initial and diagnostic assessments, medication management, treatment plans, psychological counseling, and discharge planning. Founded in 1992, Deer Oaks began as a mental healthcare facility focused on treating aging adults dealing with acute disability or injury. Today, Deer Oaks provides care through over 1,500 partnered facilities across 29 states. Headquartered in San Antonio, Texas, Deer Oaks employs over 500 individuals.


On September 1, 2023, Deer Oaks discovered that it had experienced a data breach in which the sensitive personal identifiable information and protected health information in its systems may have been accessed. Through its investigation, Deer Oaks determined that an unauthorized actor may have accessed this sensitive information through a ransomware attack on September 1, 2023. On October 31, 2023, Deer Oaks began contacting individuals whose information may have been impacted. The type of information exposed includes:

  • Name
  • Social Security number
  • Date of birth
  • Address
  • Medical information (e.g., diagnostic codes, treatment service type)
  • Health insurance information

If you received a breach notification letter from Deer Oaks Behavioral Health:

We would like to speak with you about your rights and potential legal remedies in response to this data breach. Please fill out the form, below, or contact us at (608) 237-1775 or

If you were impacted by the Deer Oaks data breach, you may consider taking the following steps to protect your personal information.

  1. Carefully review the breach notice and retain a copy;
  2. Enroll in any free credit monitoring services provided by Deer Oaks Behavioral Health;
  3. Change passwords and security questions for online accounts;
  4. Regularly review account statements for signs of fraud or unauthorized activity;
  5. Monitor credit reports for signs of identity theft; and
  6. Contact a credit bureau(s) to request a temporary fraud alert.

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