Oto-rhino-laryngology and Tracheoesophageology Koi Clinic is a medical clinic located in Koyodai, Takanezawa-machi, Shioya-gun, Tochigi Prefecture. The clinic primarily offers otolaryngology services and also provides care for tracheoesophageology, otolaryngology, Kampo internal medicine, hearing aid clinics, and vaccinations. Business hours are 9:00 AM to 12:30 PM and 3:00 PM to 6:00 PM on weekdays, with morning-only hours on Saturdays. The clinic is closed on Thursdays, Saturday afternoons, Sundays, and holidays. Examination equipment includes standard pure tone audiometry, tympanometry, electronystagmography with CCD camera, stabilometry, and nasopharyngeal video endoscopes (for observation and procedures). The clinic features English-signage parking facilities and is designed with barrier-free accessibility. As COVID-19 precautions, patients are requested to wear masks and register via interphone for visits.