Located in Yamaoka-cho, Ena City, Ena City National Health Insurance Yamaoka Clinic serves as an internal medicine specialty clinic providing primary care to the region. The clinic is open Monday through Friday from 9:00 AM to 12:00 PM, with afternoon hours Monday through Thursday from 2:30 PM to 5:00 PM and Tuesday from 2:30 PM to 7:00 PM. Vaccinations are accepted until 6:30 PM on Tuesdays. Orthopedic services are provided on the first Wednesday of each month from 1:30 PM to 4:00 PM, addressing local residents' healthcare needs alongside internal medicine. The facility features parking and barrier-free access, with English-speaking staff available, creating an accommodating environment for diverse users. The clinic is closed on weekends, holidays, GW, and year-end/end-of-year periods, supporting regional healthcare with a five-day weekly schedule excluding regular closure days.