Located in Ota City, Gunma Prefecture, Horie Hospital is a medical facility centered on internal medicine, providing care for both chronic and acute conditions. The hospital primarily treats hypertension, cardiovascular diseases, respiratory diseases, and gastrointestinal diseases, and also performs implantation of external pacemakers in the cardiovascular field. They offer testing for sleep apnea syndrome, which has gained increasing attention in recent years, and have a system in place for smooth emergency hospitalization for acute illnesses. For inpatient care, doctors, nurses, and social workers form a team to support patients' early return to society, collaborating with physicians at Ota General Hospital particularly for acute conditions such as acute myocardial infarction. The hospital has a track record of performing weight loss surgery for severely obese patients since 2002, and resumed weight loss surgery in 2024 after meeting facility standards. With 16 surgeries per year, the highest in Gunma Prefecture, laparoscopic sleeve gastrectomy is a procedure that reduces the stomach to a tube shape, decreasing its volume and thereby reducing food intake to achieve weight loss. The facility features multilingual support including English, acceptance of credit cards and electronic payments, a parking lot, and barrier-free accessibility. The hospital is closed on Sundays, holidays, and year-end/new year period.