Located on the 2nd floor of Yokohama National University Station store, Hazawa Kodomo Clinic serves the community as a pediatric specialist clinic. The clinic offers sublingual immunotherapy for cedar pollen and allergy testing, treating hay fever. Vaccinations include Yokohama City routine immunizations and mumps vaccine, with same-day appointments available. Along with MR vaccine and other routine immunizations, influenza testing is also provided. Online medical questionnaire submission before visits is recommended, with a hay fever questionnaire format available. Credit cards and electronic payments are accepted, and parking is available. English support is available. Office hours are Monday, Tuesday, Wednesday, Friday 9:00-12:00 and 14:00-18:00; closed on Thursdays, Sundays, and holidays.