You can mail or email a copy of the birth certificate for child dependents and copy of marriage certificate to add spouse along with a letter stating who you would like to add. The letter must include the member’s full name, ID# or last four of the Social Security Number.
Mailing Address: SEIU Local 1 & Participating Employers Health Trust
Attn: Member Services
111 E. Wacker Drive, 17th Floor
Chicago, IL 60601