Located in the Aonae district on Okushiri Island in the Sea of Japan, southwestern Hokkaido, Okushiri Town National Health Insurance Aonae Clinic is an internal medicine clinic supporting healthcare for the island community. The clinic operates from 8:30 AM to 11:00 AM and 1:30 PM to 5:15 PM, providing primary care and treatment for internal medicine conditions for local residents. However, clinic days are irregular, with consultations offered either on Monday afternoons and Tuesday mornings, or Wednesday afternoons and Thursday mornings, so patients are advised to confirm the schedule in advance. The clinic is closed on Fridays, Saturdays, Sundays, and national holidays, as well as during the year-end and New Year period (December 31 to January 5). The facility is equipped with parking and is wheelchair accessible, ensuring ease of use for elderly patients and those with mobility challenges. Additionally, English-language support is available, demonstrating the clinic's commitment to serving diverse patients despite its remote island location. Serving as an essential healthcare hub in the Aonae district near the southern tip of Okushiri Island, the clinic plays a vital role in safeguarding the health of the local community.