The Funadomari Clinic of Rebun Town National Health Insurance, located in the Funadomari district of Rebun Town, Rebun County, Hokkaido, serves as a regional medical hub supporting healthcare on this remote island. The clinic primarily focuses on internal medicine and provides comprehensive health management support for local residents. Consultation hours are from 8:30 AM to 11:00 AM and 1:00 PM to 2:00 PM, Monday through Friday, with closures on weekends and national holidays. In addition to outpatient care, the clinic offers home visit medical services for patients who have difficulty visiting the facility. Various health checkups, including lifestyle-related disease prevention screenings and general health examinations, are also conducted, demonstrating a strong commitment to preventive medicine. The facility features barrier-free design, ensuring a safe and accessible environment for wheelchair users and elderly patients. A parking lot is available for those arriving by personal vehicle. English-language support is also provided, making the clinic accessible to non-Japanese speakers. As a medical institution operating under the unique geographical conditions of a remote island, it plays a vital role as a cornerstone of regional healthcare.