Dou Dental Clinic is a dental clinic located at 4-41-7 Nishi-Shinjuku, Shinjuku-ku, Tokyo. It is closed on Mondays, Sundays, public holidays, and during the year-end and New Year period. Details of clinic hours are not publicly disclosed, but changes to clinic hours are updated regularly on the official website. Cases of shortened hours have been confirmed: until 5:00 PM on February 26, 2026, until 4:00 PM on December 11, 2025, and until 4:30 PM on November 27, 2025. The clinic provides services in English and accepts various payment methods. Credit cards, debit cards, and electronic payments are available, offering multiple payment options. Located in the Nishi-Shinjuku area, it is open to the community as a facility providing professional dental care.