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Change of name

Apply to the Health Insurance Society if the name of the insured person or a dependent has changed due to marriage or other reasons or if you would like to add a new family member as a dependent.

Change of name

Eligibility to join Insured person (employee)
If the symbol starts with "1".
Voluntarily and Continuously Insured Person
If the symbol starts with "2".
Special-Case Retired Insured Person
If the symbol starts with "3".
Application Form Click here for procedures using application form T-002: Notification of Change (Correction) of Name, Date of Birth, etc. (to authentication page). Click here for procedures using application form T-002: Notification of Change (Correction) of Name, Date of Birth, etc. (to authentication page).
Documents to attach Health insurance card or Eligibility Verification Certificate
* Attach the document if the person has either of the above documents.
Health insurance card or Eligibility Verification Certificate
* Attach the document if the person has either of the above documents.
Deadline Promptly after the reason arises Promptly after the reason arises
Submit documents to

Your employer’s health insurance contact (e.g., General Affairs, Labor Management)

Humanimate21/ESS or SHAREXEXself users:

External mail:
Operations (Application)
Hitachi Health Insurance Society
Higashi-Ochanomizu Building, 2-29, Kanda Awaji-cho, Chiyoda-ku, Tokyo, 101-0063

Internal mail:
(HQ) Health Insurance (OC2) Operations (Application)
Operations (Application)
Hitachi Health Insurance Society
Higashi-Ochanomizu Building, 2-29, Kanda Awaji-cho, Chiyoda-ku, Tokyo, 101-0063
Others Attach the health insurance cards or Eligibility Verification Certificate of the insured person and all dependents when correcting or changing the insured person's name
  • * Attach the document if the person has either of the above documents.
Attach the health insurance cards or Eligibility Verification Certificate of the insured person and all dependents when correcting or changing the insured person's name
  • * Attach the document if the person has either of the above documents.
Address inquiries to

Operations (Application)
Hitachi health insurance society

TEL 03-4554-3020

Operations (Application)
Hitachi health insurance society

TEL 03-4554-3020

If you want to change the account to which benefits are remitted

If you want to change the account to which benefits are remitted

Moving

Address changes

Adding a family member

If the number of dependent family members has increased (due to birth, marriage, separation from employment, etc.)

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