The feet are very vulnerable to injury, and their incapacitation can affect the whole body. A podiatrist is a specialised doctor trained to deal with foot and ankle conditions. You should see a podiatrist in the following situations: Foot numbness and swelling A swollen or numb foot occasionally is no cause for concern. However, if these conditions occur regularly, you should see a podiatrist. The numbness could be because of tendonitis or a broken bone.