Tanaka Naika Ichouka Clinic is a community-focused clinic led by Dr. Masazumi Tanaka, located along National Route 3 in Onga-cho, Onga-gun, Fukuoka Prefecture, within walking distance of the Imakoga intersection. The clinic covers a wide range of specialties centered on internal medicine, including diabetology, respiratory medicine, gastroenterology, and cardiology, supporting the comprehensive health management of local residents. A notable feature of this clinic is that the director holds specialist certification from the Japan Gastroenterological Endoscopy Society, with a strong focus on endoscopic examinations such as gastroscopy and colonoscopy. Gastroscopy is available Monday through Saturday mornings, while colonoscopy is offered on weekday afternoons except Wednesday and on Saturday afternoons. Endoscopic polyp removal is also performed. Endoscopic examinations are conducted primarily by appointment, though same-day gastroscopy may be accommodated if the patient has fasted. The clinic also offers gastric and colorectal cancer screenings, hepatitis B and C testing, influenza vaccinations, and other preventive immunizations, contributing to community health from a preventive medicine perspective. The facility features a dedicated parking lot and is fully accessible. Medical consultations are available in English and Korean, creating a welcoming environment for patients from diverse backgrounds.