Billing StaffSarah CarrKate EvolaHoursMon-Tue8:30-4:30Wed9:00 – 4:30Thu- Fri8:30-4:30ContactsAddress:520 S. Elm Ave., St. Louis, MO 63119Email:billing@stlrheum.comCall Us:+1-314-645-4434Fax:+1-314-645-3801