Shimamatsu Naika Clinic, operated by Medical Corporation Shiseikai, is a community-based clinic located in Futsukaichi Chuo, Chikushino City, Fukuoka Prefecture, specializing in internal medicine. The clinic offers general internal medicine, nephrology, dialysis therapy, and dermatology, addressing a wide range of medical needs. It provides an environment where patients requiring kidney disease management or hemodialysis can receive continuous treatment locally. The dermatology department handles various skin conditions, from common issues such as eczema and atopic dermatitis to conditions requiring specialized treatment. The clinic is actively involved in clinical research, working to improve the quality of medical care. In terms of facilities, the clinic accepts electronic payments and is equipped with parking and barrier-free features, making it accessible for wheelchair users and persons with disabilities. English assistance is available. Weekday hours are 10:30 AM to 12:30 PM and 2:30 PM to 5:00 PM, with the clinic closed on Saturdays, Sundays, and public holidays. The clinic is also closed during the New Year's and Obon periods.