@Lollypop It wouldn't worry me if a family member or friend used my surgeon, onc or rad onc - I already have local friends sharing my Onc & Rad Onc & we chat about them now & then .....
As @CRM says - it is a bit like referring family to your dentist, hairdresser etc - and if they don't like them, they'll move on to another one. ALways nice to be pointed towards someone who is revered. (There is one Onc I wouldn't refer anyone to, as I didn't get on with him at all!!) As I am the first in my family ever to be diagnosed with BC, I had to find my own surgeon - and would be more than happy for others to use him, if they have to, tho I hope they don't need his services, ever!
I guess it would be polite to mention it to you first tho, to gauge your own reaction ...... not that they should be raising your name at all in any of the conversations with said specialist!!
All the best for 2020 xx