Millcreek Healthcare Data Breach Exposes Sensitive Patient Information Millcreek, a healthcare provider, recently disclosed a data breach involving unauthorized access to its network, potentially compromising sensitive personal and health information. The incident was detected on or around February 25, 2025, prompting an immediate investigation. Millcreek confirmed that an unauthorized third party accessed or acquired data between February 17 and February 25, 2025. The exposed information varies by individual but may include names, Social Security numbers, dates of birth, driver’s license numbers, medical record details, diagnosis information, treatment records, and healthcare claims data. On November 21, 2025, Millcreek published a breach notice on its website and began mailing notifications to affected individuals. The company also filed an official report with the U.S. Department of Health and Human Services’ Office for Civil Rights. As part of its response, Millcreek is offering impacted individuals complimentary credit monitoring services and details on the specific data exposed.