Patients who visited Sutter Health's Alta Bates Summit Medical Center, Sutter Delta Medical Center, or Eden Medical Center may have had their names, Social Security numbers, dates of birth, gender, addresses, zip codes, home phone numbers, marital status, names of employers, and work phone numbers exposed.  The Alameda County Sheriff's office notified Sutter Health of the potential breach on May 23.  It is unclear what the source of the breach might be.UPDATE (06/10/2013): The information was found during a narcotics raid.  The personal information of nearly 4,500 patients was discovered.;