Who called from 4147764740

Please advise who has thos phone nymber ?  I received a call today and they said they are from Medicare, concerned about this call as they have my social secutiry number..

Thanks

Please advise who has thos phone nymber ?  I received a call today and they said they are from Medicare, concerned about this call as they have my social secutiry number..

I seen a missed call from this number. Tried to call it back but a recording said the number is not in service. Could be a scam.