Showa University Hospital: a USB drive with a billing list of 149,335 patients was lost in an office

A USB drive used for billing management in the administration office went missing. It holds a billing list for care from January 2017 to July 2020, with the patient numbers, names, treatment dates, insurer numbers, public expense numbers, treatment days and billing points of 149,335 patients. It does not hold contact details such as addresses or phone numbers. [1] [2]

The hospital said that because it was lost inside the office, it did not think the data left the hospital. It reminded all staff to handle personal data carefully and promised stricter management. [1] [2]