Nagaoka Internal Medicine, located in Oike, Kakegawa City, Shizuoka Prefecture, provides specialized care by cardiologists. The clinic offers detailed examination of cardiovascular diseases such as angina, myocardial infarction, arrhythmia, heart failure, and hypertension, as well as lifestyle diseases. With both internal medicine and cardiology departments, the clinic is equipped to provide comprehensive care for diverse patient symptoms. Clinic hours are from 8:30 AM to 12 PM and 3 PM to 6 PM. The clinic is closed on Sundays, holidays, Monday afternoons, Wednesday afternoons, Thursday afternoons, and Saturday afternoons, with a one-week summer break in August. As infection control measures, a fever and infectious disease outpatient clinic has been established, accepting appointments with designated time slots for high school students and above. Pre-employment health checkups are also conducted. The clinic has a parking lot and offers barrier-free accessibility. With English language support, specialized cardiovascular care is available regardless of language.