Sakai Clinic, part of Senkinkai Medical Corporation, is an internal medicine clinic located in Shibasakicho, Takasaki City, Gunma Prefecture. Led by cardiologists, the clinic provides specialized care for cardiovascular conditions including angina, arrhythmia, and heart failure, along with a comprehensive approach based on exercise therapy, dietary therapy, and stress management. In addition to specialists, a multidisciplinary team of public health nurses, nurses, registered dietitians, and physical therapists is involved, and cardiac rehabilitation instructors are also available. The clinic features a dedicated facility called the Cardiac Rehabilitation Center, equipped with exercise therapy rooms and cardiopulmonary exercise testing facilities. English-speaking staff are available, and payment by credit card and electronic payment is accepted. Parking is also provided.