Located in Jujonakahara, Kita Ward, Tokyo, Itagaki Clinic is a clinic that primarily focuses on internal medicine, operated by the medical corporation Ryoukeikai. It serves patients of all ages, from infants to the elderly. In addition to internal medicine, it offers pediatrics, surgery, Kampo (Japanese herbal medicine) clinics, health checkups, vaccinations, and endoscopic examinations. Medical care is provided by Kampo specialists and pediatric specialists, and the staff discusses and collaborates to determine the most appropriate treatment plans. When advanced treatment, hospitalization, or surgery is required, the clinic refers patients to appropriate hospitals according to their preferences and provides medical records of examinations and treatment progress at the clinic. For infection control, patients with fever, cough, or sore throat symptoms are examined in private rooms whenever possible. The fever clinic operates on a complete reservation system, with phone reservations starting at 8:50 AM on the same day, combined with an online medical questionnaire system. English-speaking staff is available, credit cards and electronic payments are accepted, and the clinic is barrier-free. Clinic hours are 9:00-12:00 and 15:00-18:30 on Monday, Tuesday, Wednesday, and Friday, and 9:00-13:00 on Saturday, with 14:00-15:00 on Monday-Friday reserved for pediatric vaccinations and health checkups.