doctor 's practice plan affiliated with the University of Maryland School of Medicine has notified patients that somebody hacked the account of a physician assistant 's email account that contained the personal information of patients . The orthopedics practice at The University of Maryland Faculty Physicians Inc. mailed letters to about 1,500 patients telling them about the incident , according to a news release . There is no forensic evidence showing that personal information was viewed under the security breach , but patients were told out of an " abundance of caution , " the doctors said . The email account contained personal patient information , including full names , dates of birth , home addresses , medical record numbers , health insurance information , prescription information , and diagnosis or treatment information . The Social Security numbers of 12 patients were also in the email , but no credit card , banking or other financial information was obtained . No other email accounts , networks or servers were accessed . ;