Hatano Clinic, operated by Medical Corporation Yukyukai and located in Fussa City, Tokyo, is a community-oriented clinic offering multiple specialty outpatient services centered on internal medicine. The clinic director, Dr. Shigehisa Hatano, is a cardiovascular specialist certified by the Japanese Circulation Society, focusing on the treatment of lifestyle-related diseases and heart conditions such as hypertension, dyslipidemia, diabetes, atrial fibrillation, and heart failure. The clinic also treats sleep apnea syndrome, COPD, bronchial asthma, and osteoporosis, providing comprehensive care for a wide range of conditions directly linked to healthy longevity. Additionally, the clinic features an ophthalmology outpatient service staffed by a specialist certified by the Japanese Ophthalmological Society, a rheumatology and collagen disease outpatient service staffed by a specialist certified by the Japanese College of Rheumatology, and a gastroenterology outpatient service staffed by a specialist certified by the Japan Gastrointestinal Endoscopy Society, establishing a framework that covers multiple specialty areas. Several doctors share responsibilities by day of the week, offering both morning and afternoon consultations from Monday through Saturday, enabling specialized care tailored to each patient’s condition. The facility is barrier-free and accepts credit cards and electronic payments, creating an accessible environment for a wide range of patients.