Located in the Shinjuku NS Building in Nishi-Shinjuku, Shinjuku-ku, Tokyo, Medical Corporation Koseikai Shinjuku NS Building Dental Clinic is an established dental practice that has supported community dental care for over 40 years since its opening in 1981. In addition to its highly convenient location within an office building within walking distance from Shinjuku Station, the clinic offers treatment until 8:00 PM on weekdays and until afternoon on Saturdays, making it easy to access for those who have difficulty visiting during weekday daytime hours. The clinic also accepts emergency patients, enabling flexible response to sudden dental problems—a distinctive feature of this facility. With female doctors always on staff, the clinic provides an environment where patients who feel anxious or nervous about treatment can comfortably consult. Free consultations are available for orthodontic treatment, making it accessible for those who wish to simply inquire first. The clinic is barrier-free accessible, has parking facilities, accepts credit cards and electronic payments, and offers well-equipped amenities that prioritize patient convenience. The clinic also emphasizes infection control, maintaining a clean treatment environment through spacious chair spacing and thorough cleaning and disinfection protocols.