Steòrnabhagh Dental Clinics - NHS Western Isles | Serving the Outer Hebrides of Scotland.2 The Castleview Dental Practice is located on Cromwell Street, Stornoway, and provides both NHS and private dental treatment. Patients in Lewis requiring dental registration are encouraged to contact the practice on 01851 704400. Alternatively view their https://www.wihb.scot.nhs.uk/our-services/dental-services/dental-clinics/