Matsuda Clinic, located in Yanai Koichi, Yanai City, Yamaguchi Prefecture, is a medical facility specializing in Otolaryngology (Ear, Nose, and Throat) and Diabetes & Metabolism Internal Medicine. The clinic provides hearing aid consultation and adjustment on Tuesday mornings of the 1st, 2nd, and 4th weeks, and Friday afternoons of the 1st and 3rd weeks. Otolaryngology clinic hours are Monday morning, Tuesday morning, Wednesday afternoon, Thursday morning, Friday morning, Friday afternoon, and Saturday morning. The Diabetes & Metabolism department offers specific health checkups, diabetes consultations, and thyroid-related treatments, and also provides elderly pneumococcal vaccines and influenza vaccines as preventive vaccinations. Diabetes & Metabolism clinic hours are Tuesday afternoon, Wednesday morning, Thursday afternoon, Friday morning, and Saturday morning, with reception hours until 5:00 PM on Tuesday afternoons and until 3:30 PM on Thursday afternoons. This facility is equipped with English support, parking, and barrier-free accessibility.