John E. Castle, DPM, FACFAS, is located in Grants Pass, Oregon. We accepted Medicare assignment and most insurance plans. The services we offer include bunions/corrective surgery, ingrown nails, arch and heel pain, sports injuries/fractures, corns and calluses, nerve tumors, arthritic joints, foot/ankle injuries, diabetic foot care, shockwave therapy (orthotropy) for the treatment of chronic heel pain., custom orthotics/sports medicine, and podiatric medicine and surgery.