May 23, 2023 15:18 Follow Anyone who can legally sign documents for your office. Related articles How does someone choose a health plan and a health care provider? The provider does not have an office. The billing company’s address is considered their office. How do I fill out the Web Portal Enrollment paperwork? How do I know if I qualify for WIC? How does WIC serve Hoosier families? We have a billing company. Do we have to fill out the Web Portal form too?