Meridian Health Plan of Illinois Data Breach – Investigated by Federman & Sherwood
July 14, 2026 – Federman & Sherwood, a national consumer protection law firm, is investigating the Meridian Health Plan of Illinois data breach, a cybersecurity incident involving the unauthorized access or disclosure of sensitive member information that was reported to the U.S. Department of Health and Human Services.
According to the filing, the Meridian Health Plan of Illinois data breach involved an unauthorized access/disclosure incident affecting a network server. The breach reportedly affected approximately 21,027 individuals.
Unauthorized access to a health plan’s network systems may expose protected health information, insurance information, and other sensitive personal data, potentially placing affected individuals at risk of identity theft, medical identity theft, insurance fraud, and unauthorized use of confidential healthcare information.
Federman & Sherwood is actively investigating whether Meridian Health Plan of Illinois implemented reasonable safeguards to protect member information and whether this data security incident could have been prevented. The firm is also evaluating potential legal claims on behalf of individuals affected by the Meridian Health Plan of Illinois data breach.
Health plans maintain extensive records containing sensitive personal information, health insurance information, claims data, and other protected health information. Incidents involving these systems may have significant privacy and financial consequences for affected members.
Consumers who received a notice regarding the Meridian Health Plan of Illinois data breach or who believe their personal or medical information may have been compromised are encouraged to monitor explanation of benefits statements, healthcare records, financial accounts, and credit reports for suspicious activity.
The potentially compromised information may include:
- Names
- Social Security numbers
- Medical information
- Health insurance information
- Other sensitive information
What is Meridian Health Plan of Illinois?
Meridian Health Plan of Illinois is a managed care organization that provides government-sponsored health insurance, including Medicaid and Medicare-Medicaid plans, through the HealthChoice Illinois program.
Individuals affected by the Meridian Health Plan of Illinois data breach may have legal rights and are encouraged to contact Federman & Sherwood to learn more about their options.
Phone: 1-800-237-1277 | Email: info@federmanlaw.com