Should I Use a My Number Insurance Card or a Health Insurance Card?
*This article is based on information accurate as of December 6, 2024.
1. What is a My Number Insurance Card?
Your My Number Card can be used in place of a health insurance card.
A My Number Card is an IC chip-equipped identification card essential for accessing various services in Japan. By registering your My Number Card as an insurance card, you can use it in place of a conventional health insurance card.
My Number Cards that have been registered are called “My Number insurance cards.” By the end of October 2024, around 80% of people had registered their My Number Card for use as a health insurance card.
If you do not have a My Number Card:
Please refer to the following article to apply.
If you have a My Number Card, but have not yet registered it as a health insurance card:
There are three ways to register your My Number Card as a health insurance card.

- Apply using a card reader with facial recognition.
You can register at a pharmacy or medical institution by placing your My Number Card on a card reader with facial recognition. - Apply through Mynaportal.
You can register by logging in to Mynaportal on your smartphone or computer. - Apply using a Seven Bank ATM.
How to Get Medical Care
This page explains how to get medical care in Japan. When foreigners want to go to a hospital in Japan,they may not be able to get proper support from their company or school, even though they do not understand the language or the rules. Let’s familiarize yourself with how to go to the hospital in advance.
2. Can I Still Use My Health Insurance Card?
New health insurance cards will no longer be issued. However, if your health insurance card is valid as of December 2, 2024, you can continue using it for up to one year.
*If your health insurance card becomes invalid before December 1, 2025, or if you change jobs or move, you can only use your card until its expiration date.
Also, people who do not have a My Number Card will receive an “Eligibility Certificate” in the mail, which they can use to continue accessing medical care.
3. Conclusion
- My Number insurance cards can be used in place of conventional health insurance cards.
- From December 2, 2024, health insurance cards will no longer be issued.
- If you do not have a My Number Card, you will receive an “Eligibility Certificate” that allows you to continue receiving medical care.
If you have any questions about the My Number system, you can call the My Number toll-free number for assistance.
https://www.kojinbango-card.go.jp/contact/tel/
What To Do In Your First Week In Japan
There are many people who are unsure what they have to do when they come to Japan for the first time.
What Procedures Do I Need to Follow at the Municipality?
Now that you have decided to live in Japan, you have a lot of procedures to go through. In this article, Notification of Address, Marriage Registration, and My Number System are introduced for you to do at the local municipal office.