Call back gets, "thank you for returning our call...all our representative are busy with other customers...if you'd like to have your number removed from our call list press...."   NOTE:  they NEVER identify the company.  That's a clear indication of unethical telemarketers.  Makes no difference who they are representing, these are telemarketers and are spitting in the eye of the DNC list.  Take a minute to report the number here:

https://complaints.donotcall.gov/complaint/complaintcheck.aspx

Medicare scammer.    Do NOT give out any information.   They will try and bill medicare for their quack, overpriced products.

Illegal robo-call.   Be sure to report all calls you receive from these scammers to the www.donotcall.gov website.

10:50 AM EDT on 3/18/16. Message left from NY, NY 718-354-8916 said it was in regard to a call made concerning a back brace commercial on TV and which insurance would pay for.  Press 1, 2, or 3  in order to speak to an agent and receive the info requested.

They called a recording came on saying they were returning my call for some medical whatever, to press 1 , etc. I hung up. Unavailable on my caller id. SCAM ALL WAY.

Same thing happened to me went to Orthopedics & got MRI, and then calls started from NYC..........scammers at work so don't answer or give them any information EVER!!!!!!