Minnesota Epilepsy Group Breach Impacts 80k Individuals: SSNs Exposed

Minnesota Epilepsy Group, P.A., a medical practice recognized as one of the largest and most comprehensive epilepsy programs in the Midwest, disclosed a data breach that affected 80,061 individuals in the United States, including 28 Massachusetts residents.

The company posted a notice on its website with details about the incident. Minnesota Epilepsy Group began mailing affected individuals on June 5, 2026.

According to the company's notification, between March 16, 2026, and April 10, 2026, an unauthorized third party accessed Minnesota Epilepsy Group's computer network at various times and may have accessed and acquired certain files.

An investigation into the incident determined the scope and timeline of the unauthorized access. On May 18, 2026, Minnesota Epilepsy Group confirmed that the files potentially accessed or acquired by the unauthorized party contained personal information belonging to certain individuals.

The exposed information included both personally identifiable information (PII) and protected health information (PHI). Depending on the individual, the compromised data may include names, addresses, dates of birth, Social Security numbers, medical treatment information and health insurance information.

Minnesota Epilepsy Group's response to the breach

Minnesota Epilepsy Group is offering affected individuals whose Social Security numbers were involved a complimentary two-year membership in Experian IdentityWorks Credit 3B.

Individuals can enroll at the Experian IdentityWorks website using the activation code provided in their notification letter.

For additional questions or assistance, Minnesota Epilepsy Group has set up a dedicated toll-free inquiry line at 866-659-7085, available from 8:00 a.m. to 8:00 p.m. Central Time, Monday through Friday.

Individuals with questions about the Experian IdentityWorks product can also contact Experian's customer care team at 877-288-8057.