Oshima Clinic, located in Oshima, Koto-ku, Tokyo, is an internal medicine clinic conveniently situated just a 3-minute walk from Oshima Station A2 Exit on the Toei Shinjuku Line. Known as "your neighborhood family clinic," it has long supported the daily health management of local residents. The clinic operates from 9:00 AM to 12:30 PM in the morning and 4:00 PM to 6:00 PM in the afternoon, with no appointment system required—patients can visit during reception hours. English-language services are available, making it accessible for non-Japanese speakers. The clinic also participates in health screenings conducted by Koto Ward, serving as a center for preventive care and health promotion in the community. Additionally, the clinic accepts My Number cards as health insurance cards and works to improve patient convenience, including simplifying procedures for the High-Cost Medical Expense Benefit System. A key feature of the clinic is its attentive response to patients' concerns and difficulties regarding medical care, creating an environment where patients and their families can consult with peace of mind. The clinic is closed on Wednesdays and holidays, but offers Saturday hours, making it easily accessible for those who have difficulty visiting on weekdays.