After you leave your employer

After leaving your employer, you will lose your eligibility for membership in the Health Insurance Society and must join the appropriate medical care insurance program based on your individual circumstances.

Return any cards and certificates when you leave your employer

Required documents:
  • Health insurance cards (for the insured person and all dependents, until December 1, 2025)
  • Elderly benefits card, Eligibility Verification Certificate, etc. (if issued)
Deadline: Within five days after the date of loss of eligibility
Applies to: Insured persons leaving employment and their dependents
Address inquiries to: Health Insurance Society
Submit to Tokyo Opera City Tower, Nishi-Shinjuku 3-20-2, Shinjuku-ku, Tokyo 163-1488
To: Sanofi Health Insurance Society
kenpo@sanofi.com

If you wish to remain a member of the Health Insurance Society

Required documents: Application Form for Certification as Voluntarily and Continuously Insured Person
Application Form for Certification as Voluntarily and Continuously Insured Person
example
[Documents to attach]
  • Direct Debit Authorization Form
Deadline: Within 20 days after the date of loss of eligibility of the insured person
Applies to: Insured persons who have been insured continuously for at least two months prior to leaving employment
Address inquiries to: Health Insurance Society
Submit to Tokyo Opera City Tower, Nishi-Shinjuku 3-20-2, Shinjuku-ku, Tokyo 163-1488
To: Sanofi Health Insurance Society
kenpo@sanofi.com