Orthotists are clinicians who specialise in the design and manufacture of foot Orthotics and other orthopaedic appliances like knee/back supports etc to improve or stabilise limb function. Normally patients are reffered to the Orthotist through a hospital consultant , GP, physio, osteopath , chiropractor, chirpodist etc..
some physio's , chiropodist etc etc issue orthotics for their patients with good effect, but its the Orthotist that would have the most experience in this field..they would have more exposure to materials and equipment should the Orthotic require more modifications if needed to be done at a later stage.