Located in Moji Ward, Kitakyushu City, Fukuoka Prefecture, Koyu Clinic is a medical facility providing internal medicine services, including cardiology and diabetology. The clinic aims to support community health management with a patient-centered approach that emphasizes collaboration with each individual. In addition to general internal medicine conditions, the clinic treats cardiovascular and metabolic diseases, and operates a fever outpatient clinic. This fever clinic is available by appointment on Sundays and holidays, accommodating patients who have difficulty visiting on weekdays. The facility features parking and barrier-free access, ensuring convenience for those arriving by car or using wheelchairs. Credit cards and electronic payments are accepted for smooth procedures. The clinic also offers medical skincare products including Environ, aesthetic services such as medical hair removal and medical cosmetic tattooing, and seasonal influenza vaccinations. English-language support is available, creating an accessible environment for patients from diverse backgrounds.