Administrative Assistant Contractor: 0-2 years (Entry) Artech LLCAdministrative Assistant Contractor: 0-2 years (Entry)Los Angeles, CA$1–$19 / hourSupport research billing activities, including invoicing non-industry trial claims, creating accounts for billable insurance charges, and tracking denials returned from CTU. • Perform additional ad hoc administrative and vendor coordination tasks, including submission of documentation (upload, email, fax, or mail to payers).