The symptoms of peripheral neuropathy can vary from person to person and can be episodic with varying symptoms. I agree that diabetes would be less likely given the fact that it seems controlled and it is in its early stages.
Peripheral vascular disease can be evaluated for during a physical exam where pulses in the foot and ankle can be palpated or measured with a doppler ultrasound. A test known as the ankle-brachial index can be measured for further evaluation. A vascular surgeon would be the specialist to discuss this possibility.
Back to the neuropathy - if the symptoms continue, you can consider a referral to a podiatrist or neurologist for further evaluation.
Followup with your personal physician is essential.
This answer is not intended as and does not substitute for medical advice - the information presented is for patient education only. Please see your personal physician for further evaluation of your individual case.
Kevin, M.D.
http://www.straightfromthedoc.com