My number card and health insurance card are integrated.

With the integration of My Number Card and Health Insurance Card, based on the notification of the country, all Yokohama City National Health Insurance insured persons will be notified so that everyone can use My Number Card as an insured person's card with peace of mind. We will send you a notification with the last 4 digits of your number (My Number). Please refer to call center for news of the last four digits of personal number (my number) that Yokohama-shi carries out and inquiry about minor insurance card shift after December 2, 2024.
TEL： ０４５－６２０－８１８７
FAX： ０４５－６２０－８５０９
Installation period: From October 11, Reiwa 6 to January 31, Reiwa 7 (excluding Saturdays, Sundays and holidays)
Reception hours: From 9:00 to 19:00

Please refer to "my number synthesis toll-free number" which country establishes for detailed contents of system and operation method of minor portal.
TEL： ０１２０－９５－０１７８
※Please follow the voice guidance.
Reception hours: From 9:30 to 20:00 on weekdays / from 9:30 to 17:30 on weekends and holidays (excluding the year-end and New Year holidays)

Available until July 31, 2025.

However, in the following cases, it will be up to the respective deadline.

• Those who celebrate their 75th birthday before July 31, 2025: Until the day before your birthday
• Those who celebrate their 70th birthday before July 31, 2025: Until the end of the birthday (in the case of 1st, the end of the previous month)

Available until July 31, 2025.
The paper insurance card (light blue) currently issued can be used until the expiration date (July 31 of next year (2025)).

• Even after your health insurance card has been abolished, please bring it without discarding it until it expires.
• For those who reach their 75th birthday from August 2024 to December 1, 2024, a paper insurance card (light blue, expiration date: July 31 of next year (2025) will be sent.

After the abolition of the paper insurance card, if you join the employee health insurance (*), or if you re-issue it due to a change or loss of the contents of the paper insurance card (burden ratio, etc.) after the abolition date, you will receive a “Notification of Qualification” or “Confirmation Form” depending on whether or not you have registered your insurance card.
In addition, about insured person of medical system for elder senior citizens, we hand qualification confirmation regardless of use registration of minor insurance card only until July 31, 2025 by provisional measures of country (If lost, application is required.)

（※） Examples of new subscriptions to employee health insurance

• From Social Insurance to National Health Insurance
• Oh 〇 Town National Health Insurance to Yokohama City National Health Insurance
• At the age of 75, from the National Health Insurance to the Kanagawa Prefecture Elderly Care System, etc.

We issue "news of qualification information" (the medical system for elder senior citizens is scheduled to be issued in August 2025).
We will send it to those who have a minor insurance card so that the registered insurance information (name, date of birth, insured number, partial burden ratio, etc.) can be easily confirmed.

"Qualification Confirmation Form" will be issued.
You can receive insurance medical treatment by presenting it to a medical institution.

• We will send a “Qualification Confirmation Form” or “Notice of Qualification Information” to all insured persons during July of next year (2025).
• The size of the “Qualification Confirmation Form” is scheduled to be the same size as a paper insurance card in both the National Health Insurance and the second half.
• You can receive a "Notice of Qualification Information" by presenting it with your My Number Card when you visit a medical institution where a minor insurance card cannot be used.
• It is not possible to consult a medical institution just by "Notice of qualification information".

You can cancel the registration of your minor insurance card by applying to the employee health insurance where you are enrolled.

[Reception start date]　

Monday, October 28, 2024

[Registration date]

From the end of the month following the month in which the application documents were received
※If you receive your application documents at the end of the month, it may be at the end of the following month.
※Regarding the medical system for elder senior citizens, for those who have submitted a cancellation application between October 28 and December 2, 2024, the information on cancellation will be reflected around February 2025. Please be aware.

[Applicants]

Insured persons under the National Health Insurance and Medical Insurance System for Elderly Seniors

[How to apply]

Notification to the ward office Insurance and Pension Division National Health Insurance Section window of your ward office
※If you are not insured by the National Health Insurance or the Medical System for Elderly Seniors, please check with your employee health insurance.

Notification by mail
・National Health Insurance insured persons
・Insured persons in the medical system for elder senior citizens

[Required when applying for a window]
Identity verification documents (If someone other than the principal applies in proxy/agent, both delegates and proxy/agent are required.)

1 point confirmation is enough

・Documents with a face photo issued by a public office such as a driver's license, my number card, passport, etc.

Those that require confirmation of 2 points

・Documents without a photo issued by a public office, such as a health insurance card, a long-term care insurance card, or a pension notebook.

When a person other than the person applies on behalf of the person
・Power of Attorney (PDF: 190KB) (necessary even for the same household) Example (PDF: 121KB)

(Note) If you move to another medical insurer before confirming the cancellation of registration after applying for cancellation of use registration, the medical insurer, etc. after the transfer will be notified to the medical insurer, etc. that you have previously joined Please state that you have applied for cancellation.

A． Once you have applied for your My Number Card insurance card, you do not need to repeat the procedure.

A． Even if it can be used as a health insurance card, information with high privacy, such as consultation history and drug information, will not enter the IC chip of the card. If you drop or lose it, you can use the toll-free number 24 hours a day, 365 days a year.

A． We send "qualification confirmation" to person who does not have my number card, person who does not apply for insurance card of my number card. By presenting the “Qualification Confirmation Form” to medical institutions, etc., you can still receive insurance medical treatment.

A． If you have an insured person's card or a “qualification confirmation (same size as the current insurance card)”, you can receive insurance medical treatment by presenting it to a medical institution. If you are using your My Number Card insurance card, you will be issued a "Notice of Qualification Information (A4 size)" that allows you to easily check your own qualification information. By presenting, you can get insurance medical treatment.

For more than the above frequently asked questions, please see "Yokohama Q & A Frequently Asked Questions".

※Please select "National Health Insurance" and "Medical Care for the Elderly" and press the "Search" button.

• “How to register my number card insurance card use” (Ministry of Health, Labour and Welfare website) (outside site)
• "How to confirm insurance card information on minor portal" (digital agency homepage) (outside site)

• Minor portal use guide (digital agency homepage) (outside site)
• Ministry of Health, Labour and Welfare homepage "About the use of health insurance card of my number card" (outside site)
• Digital Agency homepage "frequently asked questions: About the use of health insurance card of my number card" (outside site)

• "News about medical institutions and pharmacies that support the use of health insurance cards for My Number Card" (outside site)

Click here for the person in charge of facilities for the elderly and facilities for the disabled.