Why do you keep answering?  Look up Einstein's definition of "insanity".  BLOCK THE NUMBER!

These are SCAMMERS trying to get your Medicare account number, which, if you haven't noticed, is your Social Security #.

"Unassigned" Same caller as everyone else this morning (back brace the message says we ordered--which of course, we did not). BUT: Rule #1 - Don't pick-up if you don't recognize the number. (If it's legitimate and/or important, they'll leave a message.
RULE #2: If you don't have Caller ID and do pick up, which gets the automated robo-call message, DON'T push any buttons! Don't push 1 to talk to someone (that's where the biggest scam comes in), but especially, don't push 2 in order "to be taken off the list," or "not to receive any more calls." I like the term "click-bait" that Anon up above used--that's exactly what it is. You push or "click" on a number on your phone pad, and that lets the scammers know they've got a live one.
P.S. 800notes.com: You need 2 other "Call Types": "Fake Telemarketer" (some telemarketers, though highly annoying, are legitimate) and "Scam."

Caller said they were calling me about the "back brace" I had inquired about.  She also said press "2" if u no longer want calls.  I pressed "2" and was immediately connected to someone who said "are u experiencing lower back pain.  I said NO and told him he was a SCAMMER and hung up
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same  as all of the above- about a back brace that I ordered- never did nor would I another lovely scam going around

Robocall , backbrace I ordered.  SCAM