Report them here:
https://www.ftccomplaintassistant.gov/#&panel1-1
https://esupport.fcc.gov/ccmsforms/form1088.action
https://complaints.donotcall.gov/complaint/complaintcheck.aspx?panel=2
http://www.consumerfinance.gov/complaint/

I'm really tired of receiving unsollicited phone calls - the latest round of calls are coming as a result of Obama Care.  I don't give a problem with Obama Care, but solicitations shouldn't occur.  Make them go away!  

Called back. They answe as "National Benefits Enrolment Department"

Name unknown shall remain unknown and unanswered.

When did this person call? Do you know who it is?