Located in the Doukaijima area of Okawa City, Fukuoka Prefecture, Doukai Clinic (medical corporation Eijukai) serves as a vital healthcare hub in this aging community. The clinic provides primary care services with a focus on internal medicine, supporting the health of local residents. As the only medical facility in the Doukaijima area, it plays an essential role in regional healthcare. Operating hours are Monday through Friday from 9:00 AM to 1:00 PM and 2:00 PM to 6:00 PM, with Saturday morning consultations only. The clinic is closed on Sundays, public holidays, and during the New Year and Obon periods. The facility includes a parking lot and is wheelchair accessible, ensuring a welcoming environment for patients with mobility needs. English-language services are available, accommodating a diverse patient population. The clinic emphasizes collaboration with other healthcare institutions, maintaining strong hospital-clinic and inter-clinic partnerships to ensure accurate diagnosis and appropriate treatment. This coordinated approach enables referrals to specialized medical facilities when necessary. As a community-oriented healthcare provider, the clinic is a trusted resource for residents of the Doukaijima area.