Plexus Group

Prime Therapeutics, a business associate (BA) and pharmacy benefit manager for the covered entity (CE), Ultra Stores, Inc.’s health plan, electronically submitted a file containing the eligibility information for plan members to the Illinois Department of Healthcare and Family Services (IDHFS), as required by law for Medicaid subrogation. Due to a system error during the file generation process, the electronic protected health information (ePHI) of at least 500 plan members who do not reside in Illinois were also included in the file. The ePHI in the mailing included full names, social security numbers, dates of birth, and home addresses. During the investigation, OCR learned that Signet Jewelers had acquired Ultra and, consequently, Ultra’s health plan no longer exists. Additionally, Sterling Jewelers (Sterling), a business unit of Signet, informed OCR that it believes that Ultra had erroneously reported the September 13, 2012 incident to OCR, as Prime had conducted a risk assessment and had determined that the incident was not a breach, as the file in issue was not accessed or viewed by anyone at IDHFS. OCR obtained and reviewed documentation indicating that, in response to the i