Rikikai Koshikiya Internal Medicine and Rheumatology Clinic is a clinic located in Ichichome-Kita, Ageo City, Saitama Prefecture, providing general internal medicine treatment centered on rheumatology specialists. The facility actively uses biologic agents for rheumatoid arthritis treatment and offers specialized outpatient care aimed at clinical and imaging improvement. In internal medicine, they handle lifestyle diseases including hypertension, diabetes, and dyslipidemia, as well as respiratory diseases including chronic respiratory failure. Transnasal gastroscopy with minimal discomfort is also available by appointment. Allergy department services are provided, treating various allergic conditions including bronchial asthma. The clinic is well-equipped with diagnostic facilities including abdominal and cardiac ultrasounds, endoscopy for the esophagus, stomach, and duodenum, X-ray examinations for bones and joints, and blood tests. The barrier-free facility includes a parking lot, and English-language medical services are available. Appointments can be made by phone or online, and the clinic is accessible by taking the Tobu Bus from Ageo Station West Exit.