Daiichi Naika Iin, located in Yunokawa-cho, Hakodate City, Hokkaido, is a medical clinic specializing in internal medicine. Operating hours are from 8:30 AM to 12:30 PM and 2:00 PM to 6:00 PM, providing convenient appointment times for local residents. The clinic is closed on Sundays, public holidays, and the 1st, 3rd, and 5th Saturdays of each month, so patients are advised to confirm the schedule before visiting. The clinic is also closed during the year-end and New Year period (December 31 to January 4) and the Obon period (August 13 to 15). English-language services are available, making the clinic accessible for patients who need to communicate in languages other than Japanese. The facility is equipped with a parking lot, offering convenience for those arriving by car. Additionally, the clinic is barrier-free, designed to accommodate elderly patients and wheelchair users safely. Located in the Yunokawa area, known for its hot springs, this clinic serves as a community-based internal medicine facility supporting the health of residents across all generations.