Located in Shimoomashinden, Kasukabe City, Saitama Prefecture, Hosoya Internal Medicine Clinic operates as a cardiology-specialized clinic. In addition to specialized treatment for heart diseases such as angina, myocardial infarction, valvular heart disease, heart failure, and arrhythmia, the clinic also provides general internal medicine services focusing on lifestyle-related diseases like hypertension, diabetes, dyslipidemia, and hyperuricemia, as well as kidney diseases including chronic glomerulonephritis, diabetic nephropathy, nephrotic syndrome, and chronic renal failure. By performing screening tests for cardiovascular diseases including echocardiography, Holter ECG, and exercise stress ECG at the same quality as general hospitals but in a shorter timeframe, rapid and effective diagnosis and treatment are made possible. Emphasizing collaboration with general hospitals, the clinic conducts screening tests to enable general hospitals to perform specialized examinations from the beginning. The facility features parking and barrier-free accessibility, and English language services are also available.