Contact Assistant
Corporate Headquarters
Allegiance Benefit Plan Management, Inc.
P.O. Box 3018
Missoula, MT 59806-3018
Toll Free: 800-877-1122
Local: 406-721-2222
Allegiance Benefit Plan Management, Inc.
2806 S. Garfield St.
P.O. Box 3018
Missoula, MT 59806
Toll-Free: 800-877-1122
Fax: 406-523-3111
Allegiance COBRA Services, Inc.
2806 S. Garfield St.
P.O. Box 2097
Missoula, MT 59806-2097
Toll-Free: 800-259-2738
Fax: 406-523-3131
Allegiance Advantage Reimbursement Accounts
2806 S. Garfield St.
P.O. Box 4346
Missoula, MT 59806
Toll-Free: 877-424-3570
Automatic Voice Response System available 24/7
Fax: 877-424-3539
Allegiance Care Management
2806 S. Garfield St.
P.O. Box 2339
Missoula, MT 59806-2339
Case Management
Toll-Free: 877-792-STAR (7827)
Fax: 406-532-1502
Utilization Management
Toll-Free: 800-342-6510
Inpatient Fax: 406-532-1501
Outpatient Fax: 406-532-3513