What do you mean by GBS?
1. Guillain-Barre Syndrome?
2. Gastric Bypass Surgery?
3. Group B Streptoccocus?
4. Good, Bad & Strange?
"Is it possible that I have type 1 which is common with auto-immune problems..my doctor does not seem to have a lot of answers"
Without the ability to review all your test results, your medical records, the answer could be yes or no. Only further testing can help answer your question. Also, do not rule out LADA [Latent Autoimmune Disease in Adults], something an Endocrinologist can look for as most general practitioners cannot treat someone in your case, it is above their training and medical expertise. An Endocrinologist is a doctor who specializes with the endocrine system & knows how to treat their malfunctions - diabetes, pancreas, thyroid. Ask your PCP for a referral.
A malfunctioning thyroid also can disrupt insulin production in the pancreas. Testing your thyroid and further testing of insulin and C-Peptide [helps to distinguish between type 1 and type 2 diabetes] produced by your pancreas will narrow down if not identify the reason behind your elevated levels.