As posted on MetroPlus Health Plans web site : Recently , MetroPlus Health Plan experienced a possible security breach involving some personal information ( including name , member identification number , date of birth and social security number ) of a number of our members . A MetroPlus employee , while attempting to work off site , sent an e - mail with this information to their personal e - mail account instead of their MetroPlus assigned e - mail account . This action was done in violation of MetroPlus policy and the appropriate disciplinary action has been taken . There is no evidence that information has been misused , and we believe that the likelihood of such misuse is low . We informed affected members immediately about this incident , and have offered reimbursement of a one - year membership in Experians Triple Alert credit monitoring product to all impacted members . MetroPlus takes the protection of personal information very seriously , and we have implemented additional measures to protect that information . We are committed to fully protecting all of the information entrusted to us . For additional information regarding this matter , please contact MetroPlus Customer Services at 1 - 855 - 544 - 0599 or email at Contact Us . According to HHSs public breach tool , the incident occurred on September 6th , and 31,980 members were affected by the incident . ;