Tamsu General Clinic Koiwa is an internal medicine clinic located in Higashi-Koiwa, Edogawa Ward, Tokyo. The clinic offers English services and barrier-free facilities. Operated by the medical corporation Johdoto-Kiwakai, the clinic contributes to community healthcare as a member of the Tamsu Group. The clinic is primarily closed on Sundays and holidays. The Tamsu Group's slogan is "Peace of Mind and Sincerity," aiming to provide kind, reliable medical care and services. The group offers diverse services including home medical care, nursing facilities, and daycare centers, working to build a comprehensive community care system.