branchOPTUMRX PBM OF ILLINOIS, INC.
(Montana (US), 1600 McConnor Parkway
Schaumburg, IL 60173)
Previously/Alternatively known as NATIONAL MEDICAL HEALTH CARD SYSTEMS INCORPORATED
inactivebranchPCS HEALTH SYSTEMS, INC.
(Montana (US))
Previously/Alternatively known as PHARMACEUTICAL CARD SYSTEM INCORPORATED