Yes you should really have a team..
A team could be hospital based, surgery based or a combination of both..
You may visits should be with a diabetic nurse, who should review your diabetes at least every 6 months, more frequently if you are experiencing any problems and you should be able to contact at any time, and if necessary request a appointment with.. This can be surgery or hospital based.
Consultant wise, Now is a difficult one really, as it's possible for a well control diabetic to be dealt with just at their surgery, and GP referring them to hospital on needs bases.. But you should also have the option of opting for a consultant, how often you see them will again be based on control... If control is good and not problematic then once a year is fine as long as the DSN's are doing at least a 6 month checkup/review..
My husband doesn't see a consultant, he purely dealt via the surgery, but control is good, no complications so his 6 months visits are sufficient at the moment.. But options are there if anything changes.
I actually under both the hospital and my surgery, my surgery nurse does a 6 monthly review, My hospital team, I see about every 14 months... But anyone from my consultant, pump nurses and surgery DSN are only a phone call away, if I feel that I need help..
So I think, you need to phone up your docs, if you are under them only, then ask to see the surgery nurse more frequently, if you'll not ask to be seen by the DSN and have her/him included in your care.. If you are only under their care, ask to be referred to the hospital team..