John Smith Professional Pharmacy Inc has been servicing the Upper Cumberland since 1960. They are conveniently located on the corner of West Avenue and Lantana Road in the Crossville Medical Group Building. John Smith Professional Pharmacy Inc offers medical equipment, medical supplies, diabetic supplies, diabetic shoes, custom hosiery, prosthetic devices, and more.. Pharmacy; Medical Equipment and Supplies; Diabetic Supplies,Diabetic Shoes,Custom Hosiery,ErecAid,Prosthetic Devices; Mastectomy Garments and Apparel; Mastectomy Garment Fitting,Private Fitting Rooms and Confidential Post Op Garment Fitting For Mastectomy Patients.