Southern Illinois Ob-Gyn Data Breach Affects 38,700 Patients

Southern Illinois based Southern Illinois Ob-Gyn Associates has disclosed a data breach affecting approximately 38,700 individuals in the United States. The practice provides women's health care services at two office locations, one in Carbondale, Illinois, and another in Herrin, Illinois.

The breach was disclosed to the U.S. Department of Health and Human Services on May 22, 2026.

The available federal disclosure does not include details about the specific actions Southern Illinois Ob-Gyn Associates has taken since discovering the data breach. Based on publicly available information, it is not yet clear whether the practice has engaged forensic cybersecurity investigators, notified law enforcement or begun the process of sending individual notification letters to affected patients.

It is also not known at this time whether the practice is offering credit monitoring, identity protection services or other forms of support to individuals whose information may have been involved in the breach. If such services are being provided, the details would typically be communicated to affected individuals through notification letters sent by U.S. mail.

Patients who believe they may have been affected should watch their mail carefully for any official correspondence from the practice. Such correspondence may contain important information about the breach and recommended protective steps for those whose data was involved.

Current or former patients of Southern Illinois Ob-Gyn Associates who have questions or concerns about the breach can contact the practice directly. The Carbondale office is located at 305 W. Jackson, Suite 402, Carbondale, IL 62901, and can be reached by phone at 618-529-4711. The Herrin office is located at 500 Rushing Drive, Herrin, IL 62948, and can be reached at 618-998-8808.