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About notification of loss of National Health Insurance qualification by mail

Last Updated November 20, 2024

In principle, the delivery of the National Health Insurance qualification transfer is based on the next agency.
However, if you have newly enrolled in social insurance due to employment, etc., and it is difficult to come to the ward office Hours for the procedure for disqualification of National Health Insurance, you can also apply for the loss by mail.

Notification method

Please send required documents to your ward office Insurance and Pension Division.

What you want to send
required documentsRemarks

A copy of the date of obtaining the qualification of the insurance you enrolled in
(Health insurance card, qualification confirmation, notification of qualification information, employee health insurance qualification certificate, minor portal screen, etc.)

For all those who stop National Health Insurance
※About minor portal screen
Certificate of minor portal>Health insurance card>Qualification information>Copy of screen from classification to insurer name (for smartphones, it spans 2 pages)

National Health Insurance Card
Or
If you have a qualification confirmation

For all those who stop National Health Insurance
※If lost, please indicate in registration form.

registration formPlease download style (PDF: 376KB).
Please refer to the entry example (PDF: 406KB).
A copy of the applicant's identity verification documentLicense, passport, my number card (only the one with photos), etc.

※Please note that if the documents you send are incomplete, you will not be able to complete the procedure.
In that case, we will return the documents you sent.

※We are not responsible for postal accidents, so we recommend that you send them by simple registered mail.

※In cases where multiple procedures for joining or withdrawing National Health Insurance must be performed at the same time due to delays in notification.
We will not be able to accept registration procedures. About report with participation, I would like procedure in next agency.

※Premiums may differ from the calculated month and the paid month.
After the procedure, insurance premiums may be allocated and charged in the fiscal year after the date of disqualification, or insurance premiums may be refunded.
For details, please refer to the notification sent at a later date.

※After joining the employee health insurance workplace or the National Health Insurance Association, you will not be able to receive a medical examination at Yokohama City National Health Insurance. If you receive a medical examination, you may be charged the medical expenses paid by Yokohama City. For details, please refer to the refund of National Health Insurance benefits.

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Inquiries to this page

◆If you have any questions about the procedure, please contact your ward office Insurance and Pension Division.

Tsurumi Ward Insurance and Pension Division National Health Insurance Section

Telephone: 045-510-1807

Telephone: 045-510-1807

Fax: 045-510-1898

Email address: tr-hokennenkin@city.yokohama.jp

Kanagawa Ward Insurance and Pension Division National Health Insurance Section

Telephone: 045-411-7124

Telephone: 045-411-7124

Fax: 045-322-1979

Email address: kg-hokennenkin@city.yokohama.jp

Nishi Ward Insurance and Pension Division National Health Insurance Section

Telephone: 045-320-8425、045-320-8426

Telephone: 045-320-8425、045-320-8426

Fax: 045-322-2183

Email address: ni-hokennenkin@city.yokohama.jp

Naka Ward Insurance and Pension Division National Health Insurance Section

Telephone: 045-224-8315、045-224-8316

Telephone: 045-224-8315、045-224-8316

Fax: 045-224-8309

Email address: na-hknkquestion@city.yokohama.jp

Minami Ward Insurance and Pension Division National Health Insurance Section

Telephone: 045-341-1126

Telephone: 045-341-1126

Fax: 045-341-1131

Email address: mn-hokennenkin@city.yokohama.jp

Konan Ward Insurance and Pension Division National Health Insurance Section

Telephone: 045-847-8425

Telephone: 045-847-8425

Fax: 045-845-8413

Email address: kn-hokennenkin@city.yokohama.jp

Hodogaya Ward Insurance and Pension Division National Health Insurance Section

Telephone: 045-334-6335

Telephone: 045-334-6335

Fax: 045-334-6334

Email address: ho-hokennenkin@city.yokohama.jp

Asahi Ward Insurance and Pension Division National Health Insurance Section

Telephone: 045-954-6134

Telephone: 045-954-6134

Fax: 045-954-5784

Email address: as-hokennenkin@city.yokohama.jp

Isogo Ward Insurance and Pension Division National Health Insurance Section

Telephone: 045-750-2425

Telephone: 045-750-2425

Fax: 045-750-2545

Email address: is-hokennenkin@city.yokohama.jp

Kanazawa Ward Insurance and Pension Division National Health Insurance Section

Telephone: 045-788-7835、045-788-7836

Telephone: 045-788-7835、045-788-7836

Fax: 045-788-0328

Email address: kz-hokennenkin@city.yokohama.jp

Kohoku Ward Insurance and Pension Division National Health Insurance Section

Telephone: 045-540-2349

Telephone: 045-540-2349

Fax: 045-540-2355

Email address: ko-hokennenkin@city.yokohama.jp

Midori Ward Insurance and Pension Division National Health Insurance Section

Telephone: 045-930-2341

Telephone: 045-930-2341

Fax: 045-930-2347

Email address: md-hokennenkin@city.yokohama.jp

Aoba Ward Insurance and Pension Division National Health Insurance Section

Telephone: 045-978-2335

Telephone: 045-978-2335

Fax: 045-978-2417

Email address: ao-hokennenkin@city.yokohama.jp

Tsuzuki Ward   Insurance and Pension Division National Health Insurance Section

Telephone: 045-948-2334、045-948-2335

Telephone: 045-948-2334、045-948-2335

Fax: 045-948-2339

Email address: tz-hokennenkin@city.yokohama.jp

Totsuka Ward Insurance and Pension Division National Health Insurance Section

Telephone: 045-866-8449

Telephone: 045-866-8449

Fax: 045-871-5809

Email address: to-hokennenkin@city.yokohama.jp

Sakae Ward Insurance and Pension Division National Health Insurance Section

Telephone: 045-894-8425

Telephone: 045-894-8425

Fax: 045-895-0115

Email address: sa-hokennenkin@city.yokohama.jp

Izumi Ward Insurance and Pension Division National Health Insurance Section

Telephone: 045-800-2425、045-800-2426

Telephone: 045-800-2425、045-800-2426

Fax: 045-800-2512

Email address: iz-hokennenkin@city.yokohama.jp

Seya Ward Insurance and Pension Division National Health Insurance Section

Telephone: 045-367-5725、045-367-5726

Telephone: 045-367-5725、045-367-5726

Fax: 045-362-2420

Email address: se-hokennenkin@city.yokohama.jp

Insurance and Pension Division, Health and Social Welfare Bureau Life and Welfare Department

Telephone: 045-671-2422

Telephone: 045-671-2422

Fax: 045-664-0403 (For inquiries regarding procedures, please contact the ward office above)

Email address: kf-hokennenkin@city.yokohama.jp

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Page ID: 257-005-482

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