That sounds absolutely bizarre, Denise
Firstly, if she doesn't think you're type 1, she can do tests to find out definitely one way or another, if they haven't been done already. If they have and you've been diagnosed with type 1, then you're type 1 - it's not something that's a matter of opinion! If the tests haven't been done then do ask if they will do them if there's any doubt - the ones you need are a GAD antibody test and a C-Peptide test (they are just blood tests, but the C-Peptide results take a while to come back and they often don't bother to do it when the diagnosis is obvious for other reasons).
Secondly we all need exactly the insulin we need - not needing much has nothing to do with what type you are (and in fact, if you were type 2 on insulin you might well need more insulin than many type 1s). Do you know what your insulin to carb ratio is? Most people assume 1 unit of insulin to 10g carbs, but some of us do need a lot less (and it can vary through the day) - at lunchtime I can need as little as 1 unit of insulin to 28g carbs, which is a very tiny amount indeed. And I'm only using 5 units of basal (the equivalent of Lantus), sometimes I only need 4 units.
The usual guidelines for blood sugar targets (from the diabetes UK site) are:
If you’re an adult with Type 1 diabetes
- when you wake up and before you’ve eaten: 5 to 7mmol/l
- before meals at other times of the day: 4 to 7mmol/l
If you have Type 2 diabetes
- before meals: 4 to 7mmol/l
- two hours after meals: less than 8.5mmol/l
so 6-10 is on the high side of healthy already, the suggestion that you should be higher is really odd. Did you ask her why?