Located in Sakura, Setagaya-ku, Tokyo, Hoshino Internal Medicine Allergy Clinic provides medical care by internal medicine and allergy specialists. The clinic specializes in respiratory diseases, treating conditions such as bronchial asthma, chronic obstructive pulmonary disease (emphysema/chronic bronchitis), allergic rhinitis, hay fever, atopic dermatitis, and urticaria. In collaboration with Matsugaoka Otolaryngology in the same medical building, systematic diagnosis and treatment of respiratory diseases ranging from the upper respiratory tract (nose, pharynx, larynx) to the lower respiratory tract (trachea, lungs) are available. Since April 2024, the consultation method for patients with fever and cold symptoms has changed. The director has approximately 15 years of experience at university and general hospitals, and the clinic opened in December 2000, celebrating its 25th anniversary. Specializing in treatment of persistent coughs and asthma, the clinic explains specialized medical information and knowledge in an easy-to-understand manner while consulting with patients to select treatment options. The policy is to use only the minimum necessary and effective medications based on the patient's condition. A play area is available to keep children entertained during waiting times. Various health screenings and preventive vaccinations for children and adults are also provided. Parking is available, the facility is barrier-free, and English language services are available.