I suffer from tingling in the sole of both feet it's been steadily increasing for the last five winters late spring through untill the frosts start Iam fine, Doctor's are struggling to assist with this.
A rheumatologist can do blood panel to see if you have Raynauds or if you are deficient in B-12 which keeps nerves healthy.
Sometimes diabetics are prone to neuropathy so you should have your blood levels checked too.