Nagasaki Internal Medicine Clinic is an internal medicine clinic located in Yaizu City, Shizuoka Prefecture, equipped with parking and barrier-free facilities. The clinic provides comprehensive diagnosis and treatment for lifestyle diseases, adopting an approach that prioritizes exercise, diet, and sleep (rest) before medication. With a particular focus on incorporating exercise into prevention and treatment, the clinic operates an adjacent exercise therapy facility called "Doctor's Fitness NASA" and actively provides exercise therapy in coordination with medical care. A physician specializing in diabetes (certified by the Japan Diabetes Society) and endocrinology (certified by the Japan Endocrine Society) has been on staff since April 2019, ensuring specialized care for diabetes and thyroid diseases. Influenza vaccination begins in October and is administered during regular visits. Cardiopulmonary exercise testing (CPX) is also available by appointment on Monday and Thursday afternoons. Consulting hours are from 8:10 AM to 12:00 PM and from 2:30 PM to 5:30 PM.