The NORTHWESTERN MEMORIAL HEALTHCARE Data Breach: Reported Filing Facts

Northwestern Memorial Healthcare is a prominent healthcare provider operating a network of hospitals and clinics in Illinois. As a medical institution, the organization collects and maintains sensitive personal information, including detailed health records, billing data, and government-issued identification required for patient care and insurance processing. In 2025, the company officially reported a data breach to the Illinois Attorney General, indicating that unauthorized access to their systems may have compromised patient information. If you received a data breach notification letter from Northwestern Memorial Healthcare, it means your personal or medical data was likely involved in this incident. This notification is intended to inform you of the nature of the event and provide guidance on the steps you should take to protect your identity and medical privacy.

State

Illinois

Reported

December 31, 2025