Located in Kabukicho, Shinjuku Ward, Tokyo, Shinjuku Voice Clinic (Otorhinolaryngology), part of Medical Corporation i-Voice, provides specialized treatment for all voice concerns ranging from vocal fold polyps to stuttering. The clinic offers treatment for a wide range of voice conditions including vocal fold polyps, nodules, and cysts, vocal fold paralysis (recurrent laryngeal nerve paralysis), spasmodic dysphonia, vocal fold atrophy, and sulcus vocalis, and is equipped with its own surgical system. Rehabilitation therapy is also available, and treatment and research achievements are publicly shared. The clinic offers services in English and is closed on Mondays, Sundays, holidays, and year-end/New Year holidays (December 29 to January 4).