Located in Nishibeppu, Kumagaya City, Saitama Prefecture, Shuhoikai Sumiya Clinic is an internal medicine clinic specializing in English support, parking facilities, and barrier-free accessibility. The clinic operates on an appointment-only basis and accepts cash payments. Notably, the clinic offers a men's health clinic where diagnosis of male menopause involves measuring free testosterone levels in the blood, and male hormone replacement therapy is provided based on values and symptoms. Additionally, diagnosis and treatment of sleep apnea syndrome are available, including home-based portable screening devices and CPAP therapy for airway obstruction prevention, both covered by insurance. In preventive medicine, HIV antigen/antibody testing (self-pay) and shingles vaccination for those aged 50 and older eligible for Kumagaya City vaccination subsidies are also provided. The clinic supports electronic prescriptions, and is closed on Saturdays and Sundays, as well as Thursdays, holidays, year-end and New Year holidays, and Bon holidays.