Sasai Internal Medicine Clinic is an internal medicine clinic located in Horigawamachi, Yonezawa City, Yamagata Prefecture. The clinic provides general internal medicine services and serves as a healthcare facility supporting the health management of the local community. Consultation hours are from 9:00 AM to 12:00 PM and 2:30 PM to 5:30 PM. Some Saturdays and Sundays offer consultations, making it accessible for those who have difficulty visiting on weekdays. However, the clinic is closed on the 1st Saturday, 1st Sunday, 2nd Sunday, 3rd Saturday, 3rd Sunday, 4th Sunday, 5th Sunday, and public holidays, as well as the 3rd Thursday afternoon and 2nd, 4th, and 5th Saturday afternoons, so checking the schedule in advance is recommended. The clinic also closes during the New Year and Obon periods. English communication is available, creating an accessible environment for patients who require non-Japanese communication. The facility has a parking lot, making it convenient for visits by car. It is also barrier-free, designed for elderly patients and those with physical disabilities to use with peace of mind. It is one of the options for those seeking an internal medicine clinic in the Yonezawa City area.