Located in Watodō-cho, Kōfu City, Yamanashi Prefecture, Koishi Diabetes Internal Medicine Clinic is an internal medicine clinic equipped with parking and barrier-free facilities. It provides reliable treatment by a diabetes specialist certified by the Japan Diabetes Society and careful care by specialized staff with diabetes education qualifications. In addition to diabetes, they offer consultations on lifestyle diseases such as cholesterol, triglycerides, blood pressure, and uric acid levels, as well as thyroid issues. The clinic has introduced the latest examination equipment, including blood glucose measurement using FreeStyle Libre Pro and muscle, body water, and body fat measurement using InBody. Clinical hours are from 9:00 AM to 12:00 PM and 2:00 PM to 5:00 PM on Monday through Wednesday and Friday through Saturday. Waiting times are minimized through appointment-based scheduling, and English services are also available.