Located in Wado-cho, Kofu City, Yamanashi Prefecture, Koishi Diabetes Internal Medicine Clinic is an internal medicine practice specializing in diabetes care. Director Sawako Koishi is a Japan Diabetes Society-certified diabetes specialist and Doctor of Medical Science, making the clinic's highly specialized treatment approach a distinctive feature. Beyond diabetes treatment itself, the clinic emphasizes comprehensive management of lifestyle-related disease risks including cholesterol, triglycerides, blood pressure, and uric acid levels. Staff members with certified diabetes therapy instruction qualifications provide broad-based patient support ranging from lifestyle modifications such as dietary and exercise therapy to complication prevention and mental health care, creating a supportive treatment environment. The clinic utilizes FreeStyle Libre Pro for continuous glucose monitoring. Consultations are held Monday through Saturday, with both morning and afternoon sessions. With a fully equipped parking lot and barrier-free facilities, the clinic prioritizes patient accessibility.