--as the B12 thread will indicate, you can get your B12 levels up more easily with daily sublingual dosing, which avoids the expense and inconvenience of injections; even those with absorption problems can dose with at least 1000mcg/day (1 mg) or more and build B12 stores through even small percentage passive absorption.

That level around 200 is much too low. It may not be the primary culprit for your neuropathy situation, but it is likely contributing to it (and none of us are exempt from being "co-morbid"--having multiple causes for our situations).