The Iwamizawa City Night Emergency Care Center is a clinic located at 10-jo Nishi 3-chome, Iwamizawa City, Hokkaido, dedicated to handling sudden health issues during nighttime hours. The facility specializes in internal medicine and operates from 6:00 PM to midnight. Open daily except during the New Year period (December 31 and January 1–3), it serves as an essential healthcare resource for residents experiencing sudden fever or abdominal pain when regular medical facilities are closed, playing a vital role in supporting the local healthcare system. The facility offers on-site parking, making it easily accessible by car. It is also fully barrier-free, ensuring that patients using wheelchairs or those with mobility concerns can visit with confidence. English-language support is available, creating an accessible environment for patients who require languages other than Japanese. While limited to nighttime hours, the center stands as a key facility in Iwamizawa City's healthcare infrastructure, providing residents with peace of mind for nighttime medical emergencies.