Mitsui Dental Clinic, located in Gotada, Okaya City, Nagano Prefecture, is a medical facility specializing in dental care. The clinic actively promotes medical digital transformation, utilizing online qualification confirmation systems to accurately manage patients' diagnostic and medication information. It is committed to widespread adoption of the My Number Insurance Card, creating a safe and efficient treatment environment. By introducing electronic prescriptions and electronic medical record information sharing services, the clinic aims to strengthen collaboration with other medical institutions and enhance local healthcare. Services are provided in English, with facilities supporting credit card payments, electronic payments, parking, and barrier-free access. The clinic is closed on Thursdays, Sundays, holidays, and during year-end and New Year periods, as well as specific dates in mid-August.