Southern Illinois Ob-Gyn Associates reported a healthcare data breach affecting 38,700 people. The incident may have exposed names, Social Security numbers, dates of birth, demographic information, health insurance numbers, and health information.
Southern Illinois Ob-Gyn Associates’s Data Breach Investigation
Southern Illinois Ob-Gyn Associates, which has locations in Carbondale and Herrin, Illinois, recently reported a data breach to the U.S. Department of Health and Human Services affecting 38,700 individuals.
According to a sample notification letter, Southern Illinois Ob-Gyn Associates first detected the incident on November 24, 2025. After discovering the suspicious activity, the practice began an investigation with third-party cybersecurity experts to determine what happened and whether patient information may have been affected.
The investigation reportedly concluded on or around January 28, 2026. Based on that investigation, Southern Illinois Ob-Gyn Associates determined that an unauthorized party may have viewed and/or downloaded data from its systems.
A letter sent to the New Hampshire Attorney General’s Office stated that Southern Illinois Ob-Gyn Associates reviewed the potentially impacted files to determine what information was involved. That review found that sensitive personal and health-related information may have been compromised.
Healthcare breaches can be especially serious because medical providers often maintain information that cannot easily be changed, such as dates of birth, Social Security numbers, health insurance details, and medical records. If this information is accessed by unauthorized actors, affected individuals may face risks of identity theft, medical identity theft, insurance fraud, phishing scams, and privacy violations.
Although the source information does not state whether misuse has been confirmed, impacted individuals should treat the breach seriously. Even when stolen information is not immediately used, sensitive personal and medical data may remain valuable to cybercriminals for years.
Class Action U helps people understand their rights after data breaches and connect with legal professionals who can evaluate whether compensation may be available.
When Did This Breach Occur?
Southern Illinois Ob-Gyn Associates reportedly first detected the data breach on November 24, 2025.
An investigation with third-party cybersecurity experts concluded on or around January 28, 2026, and determined that an unauthorized party may have viewed and/or downloaded data from Southern Illinois Ob-Gyn’s systems.
What Information Was Breached?
The information potentially compromised may have included:
- Names
- Social Security numbers
- Dates of birth
- Demographic information
- Health insurance numbers
- Health information
What You Can Do
If you received a notice from Southern Illinois Ob-Gyn Associates, consider taking these steps:
- Review the notice carefully to see what information was involved.
- Monitor credit reports for suspicious activity.
- Review health insurance statements and explanation of benefits forms.
- Watch for unfamiliar medical bills, claims, or provider records.
- Consider placing a fraud alert or credit freeze on your credit file.
- Report suspicious financial or medical activity immediately.
- Keep records of any time, expenses, or fraud concerns related to the breach.
You may also wish to learn whether you have legal options after your personal or medical information was exposed.
File a Data Breach Lawsuit Against Southern Illinois Ob-Gyn Associates
If you received a data breach notification from Southern Illinois Ob-Gyn Associates, you may have legal rights. Healthcare providers are expected to protect sensitive patient information from unauthorized access. When personal and medical data is viewed or downloaded by an unauthorized party, affected individuals may face privacy harms, identity theft risks, medical fraud concerns, and time spent protecting themselves.
A data breach lawsuit may seek compensation for loss of privacy, out-of-pocket expenses, time spent responding to the breach, identity theft risks, and medical identity theft concerns.
Contact us at Class Action U, where we’ll connect you with a lawyer skilled in class action lawsuits. If you’ve been contacted about this breach, received notice, or discovered you were impacted, fill out our quick, easy, and secure form to sign up. There is no cost to reach out to our legal partner and no obligation after speaking with someone from our team.
