How to use your My Number Card as your health insurance card
There are three ways to register to use your My Number Card as your health insurance card.
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Registration at a medical institution
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Registration at Seven Bank
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Registration on Mynaportal
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Registration at a municipal office
1. Registration at a medical institution
What you need:
- My Number Card
- 4-digit PIN you set for your My Number card
How to apply:
Depending the device at a medical institution, the screen may look different. Please follow the instructions from the hospital.

2. Registration at Seven Bank ATM
What you need:
- My Number Card
- 4-digit PIN you set for your My Number card
How to apply:
3. Registration on Mynaportal (an online platform for various bureaucratic procedures)
What you need:
- My Number Card
- 4-digit PIN you set for your My Number card
- A smartphone
- Mynaportal app installed on your smartphone
How to download the Mynaportal app:
Google Play App Store

How to apply:
4. Registration at a municipal office
What you need:
- My Number Card
- The 4-digit PIN you set for your My Number card
How to apply:
Please visit the Health Insurance Department of your local municipal office.
If needed, please show the following sentence.
"マイナンバーと健康保険証の情報の紐づけを行いに来ました"
(I would like to link My Number information with my health insurance card.)