Sugamokitaguchi Internal Medicine Clinic is an internal medicine clinic located in front of the north exit of Sugamo Station in Toshima Ward, Tokyo. The clinic is staffed by specialists certified by the Japanese Respiratory Society, the Japanese Society of Allergology, and the Japanese Society of Internal Medicine, providing comprehensive medical care. The clinic handles a wide range of conditions from mild colds to respiratory diseases such as asthma, emphysema (COPD), bronchitis, and pediatric asthma, as well as hypertension, cholesterol abnormalities, diabetes, home oxygen therapy, vaccinations, and specific health screenings. Additionally, the clinic offers specialized outpatient care for sleep apnea and smoking cessation treatment, and also performs allergy immunotherapy (CidaCure). Equipped with hospital-level examination facilities, the clinic has established partnerships with multiple university hospitals and specialty hospitals including Tokyo Metropolitan Otsuka Hospital, Tokyo Metropolitan Komagome Hospital, Juntendo University Hospital, Teikyo University Hospital, and Nippon Medical School Hospital to respond to various medical conditions. The clinic offers convenient services including English support, acceptance of credit cards, debit cards, and electronic payments, and barrier-free accessibility. The clinic is closed on Thursdays, Sundays, holidays, and from December 28 to January 3. Saturday hours are from 1:30 PM to 5:30 PM. For patients with cold symptoms such as fever or those wishing to undergo COVID-19 testing, the clinic requests prior consultation by phone, and has established a system to provide care in separate waiting rooms and examination rooms from general outpatients.