Hayasaka Naika Clinic, operated by Medical Corporation Hayasaka, is an internal medicine clinic located in Hondori, Hakodate City, Hokkaido. The clinic provides general internal medicine services and serves as a healthcare facility supporting the local community. Operating hours are from 9:00 AM to 12:00 PM and 2:00 PM to 5:00 PM, with the clinic closed on Sundays, public holidays, and during the year-end and New Year period (December 29 to January 4). The facility is equipped with a parking lot, making it easily accessible by car for patients from throughout Hakodate City. The barrier-free design ensures that elderly patients and those with mobility impairments can visit the clinic with ease. Additionally, English language support is available, making the clinic accessible to patients who require communication in languages other than Japanese. As an internal medicine clinic rooted in the Hondori residential area of Hakodate City, it provides medical care addressing a wide range of internal medicine needs, from routine health concerns to management of chronic conditions.