Who called from 4166454566

The number is St Michael's Hospital

I had  numerous appointments at St Michael Hospital and never got such calls as from that number.
It looks like scum.

I had  numerous appointments at St Michael Hospital and some reminding calls in that regards, never got such calls/messages as from that number.
Normally they leave a typical message, not asking to press "1" or else with that strange voice.
It looks like scum.