Hayashi Clinic, located in Nishikawadamotomachi, Utsunomiya City, Tochigi Prefecture, is a medical facility specializing in internal medicine and cardiology. As a home doctor for local residents, the clinic places emphasis not only on diagnosis and treatment but also on prevention. For specialized examinations and treatments, the clinic focuses primarily on cardiovascular diseases, thyroid disorders, and diabetes. For cardiovascular diseases, echocardiography, ergometer stress electrocardiography, and Holter electrocardiography are actively performed to treat patients with arrhythmias and ischemic heart diseases such as angina. For thyroid disorders, various hormone tests and thyroid ultrasound examinations are conducted. For diabetes, in addition to prescribing various medications and insulin preparations, insulin introduction on an outpatient basis and instruction on self-injection and self-blood glucose measurement are provided. The clinic offers English services, has a parking lot, and is equipped with barrier-free facilities. The clinic is basically closed on Sundays and holidays, and Saturday afternoons are also closed.