About 350 CVS Caremark customers are being notified that a programming error resulted in mailers containing their personal information being sent to the wrong customers . How many victims ? About 350 . What type of personal information ? Names and full lists of medications . What happened ? A programming error resulted in mailers containing the personal information being sent to the wrong CVS Caremark customers . What was the response ? CVS Caremark fixed the error and is implementing policies , procedures and technology to ensure a similar incident does not occur in the future . All impacted individuals are being notified . Details : CVS Caremark sent the mailers on July 15 , which offered customers a change to a 90 - day prescription supply . A customer in Georgia was impacted , but it is unclear if the incident is limited to only that state . A CVS spokesperson did not immediately respond to a SCMagazine.com request for comment . Source : wsbtv.com , Customers concerned after CVS prescription info mix - up , July 29 , 2014 . UPDATE : A CVS Caremark spokesperson told SCMagazine.com on Wednesday that impacted customers were from various geographic locations . ;