Kashiwagi Medical Clinic, located in Kitashinjuku, Shinjuku-ku, Tokyo, is an internal medicine clinic operated by Iryo Hojin Shadan Keijunkai. Rooted in a residential neighborhood of Shinjuku-ku, the clinic provides a wide range of services from routine health management to examinations for various symptoms. Consulting hours follow a two-session schedule: mornings from 9:00 to 13:00 and afternoons from 15:00 to 19:00, making it easy for patients to visit after finishing work or other daytime commitments. The clinic is closed on Sundays, national holidays, the year-end and New Year period, and the second and fourth Wednesdays of each month, so visitors are encouraged to check the schedule in advance. The facility is barrier-free and wheelchair accessible, ensuring a safe and comfortable environment for elderly patients and those with mobility needs. Covering the full scope of internal medicine, the clinic serves as a community-based practice equipped to handle acute symptoms such as fever, cough, and abdominal pain as well as lifestyle disease management and ongoing health consultations.