Just another scammer hiding behind a fake survey.  When I blocked my caller id and called the number back, there's a message about the survey being expired...

Just a thought.  If you 'phone back, the message on the 'phone is irrelevant.  Thy know they have reached a "live" number and can sell that info on to other scammers.

They just called my cell phone. I did not know the number so i didn't answer. They did not leave a message and they have called before.

Do you use a transportation company for doctors appointments ?

Scratch that previous message. I called the number, but dialed *67 in front of the whole number to hide my number.

The call was from someone doing a survey. Could be a sales gimmick, but the recording said the survey had expired. So, NO don't answer, because then they will know you are a good number to call, and then you might be added to other lists.