This service can be used by new patients without a referral. Some specialties require an appointment, so please inquire beforehand. telephone: 03-3796-0066 (Be sure to bring your Japanese health insurance certificate on your first visit.) Periodic examinations are the first step in early discovery and treatment of illness. At RHC, you will be examined by an experienced team of specialists and staff. We have a variety of checkup options to suit different needs: a Women'fs Exam, Men's Exam, Brain Exam and Overnight Exam. We also do examinations for health insurance associations and business.