よくある質問：マイナンバーカードの健康保険証利用について｜デジタル庁

This page provides FAQs about using My Number Cards as health insurance certificates. As of December 2, 2024, new insurance cards are no longer issued, but existing ones remain valid until expiration. Those registered for My Number insurance card use can use their cards for medical visits, while unregistered individuals can use certificate forms issued by insurers. Key benefits include reduced out-of-pocket payments at medical facilities and secure sharing of medication and medical history information among healthcare providers. Registration can be confirmed and completed via My Number Portal or at medical facilities.