According to a Reuters report:
Your medical information is worth 10 times more than your credit card number on the black market.
Last month, the FBI warned healthcare providers to guard against cyber attacks after one of the largest U.S. hospital operators, Community Health Systems Inc, said Chinese hackers had broken into its computer network and stolen the personal information of 4.5 million patients.
The full article is here
Cyber attacks on healthcare organizations has risen 40%. The hackers can carry out fraudulent billing with this information. If you receive a bill or EOB for healthcare services that you did not receive do not ignore the bill it may be an indicator that your information has been stolen.