If he was "med one" that's equivalent to lights and sirens so we obviously all try to give a clear pathway otherwise it's just other traffic
The RFDS driver should report it and let the company SMS extract what safety benefits they can
As for the circuit guy give Rufus a call just to express your concern
As you were on a low level circuit, it makes it especially hard to see so cut some slack to the other pilot as maybe a portion of the error lays with you