Nakano-Sakaue Yonezawa Clinic of Iryou Houjin Shakai Kouyoukai is an internal medicine clinic located on the 1st floor of Homei Building in Nakano Central, Nakano Ward, Tokyo. It is easily accessible, just a 1-minute walk from Exit 3 of Nakano-Sakaue Station on the Tokyo Metro. Since opening in 1979, the clinic has served over 1 million patients, supporting the physical and mental health of the local community. Operating hours are from 9:00 AM to 6:00 PM, Monday through Saturday, with Sundays and holidays closed. Appointments are not required for consultations other than health checkups and examinations, and same-day phone reservations are available from 10:00 AM to 5:00 PM, with patients guided by a paging system when their turn arrives. The clinic specializes in internal medicine, including specific health checkups, various examinations, and occupational health services. It maintains close collaboration with medical institutions such as Jikei University School of Medicine, Tokyo Medical University, and Tokyo Police Hospital to ensure appropriate medical care. Payment methods include credit cards, debit cards, and electronic payments, and parking and barrier-free facilities are available. The clinic also offers support in English, Korean, and other languages.