Walgreen Co. reported to HHS on 2017-02-03 a Unauthorized Access/Disclosure affecting 4500 individuals. Breached information located on Paper/Films. The covered entity sent improperly formatted survey letters where PHI was visible in the envelope's addressee window, exposing prescription histories, clinical, and demographic data. The entity investigated, revised quality control steps, retrained staff, notified HHS and individuals, and posted a substitute notice on its website.
Affected (this filing): 4,500