Located in Nakago, Saku City, Nagano Prefecture, Saku Medical Center is a referral hospital specializing in advanced acute and specialized care, serving as the core facility of the Saku General Hospital Group operated by the Nagano Agricultural Cooperative Association Federation (JA Nagano Health Federation). Established in 1944, the group has supported healthcare in the Toshin region for over 80 years, with Saku Medical Center positioned as a hub for providing cutting-edge medical technology. Under a clinical structure centered on Internal Medicine, Infectious Diseases, and Hematology, the center practices highly advanced and specialized medicine including radiofrequency ablation for breast tumors, flow diverter treatment, robotic surgery using the da Vinci system, and MRI-ultrasound fusion prostate biopsy. The center maintains close collaboration with the entire group comprising 3 hospitals, 1 clinic, and multiple home nursing stations, striving to provide seamless healthcare services from emergency to chronic and home care. In addition to parking facilities and barrier-free accessibility, the center also accepts credit cards and electronic payments, ensuring a patient-friendly environment.