According to this Physicians Directory site,
http://www.physiciandirectory.ca/index.php?page=1358
It belongs to a urologist in Toronto. Click on the link and scroll down to the 5th. entry. You'll see the name, address, phone and fax number.
Of course, it's always possible that the number has been spoofed but it wouldn't hurt to give them a call and see if it's some sort of error.