DialClerk Directory

Other healthcare organizations

Allegiance Benefit Plan Management

Phone, published email, fax, addresses and the next step for your office.

4 contact routesNo directory research calls placed

member services

Benefit-plan administration — customer service

Official page read
Phone800-877-1122Fax

406-523-3111

Published hours

Not published in this record

Product, plan and location

Confirm the exact product or service
National contact — confirm product and location

Mailing address
Allegiance Benefit Plan Management, Inc., PO Box 21074, Eagan, MN 55121

General plan-administration correspondence; not asserted as the claims destination for every administered plan.

Physical address
2806 S. Garfield St., Missoula, MT 59801

Corporate headquarters.

Third-party administrator for employer plans; benefits and claims routing depend on the participant’s plan. The Montana headquarters does not limit administration to Montana.

View source ↗ · Source checked 2026-10-22 · Third-party administrator identity ↗

Report an update
Wait time: not establishedBest time from caller reports: not established. Published hours are not a wait forecast.

case management

Allegiance Care Management — case coordination

Official page read
Phone877-792-7827Fax

406-532-1502

Published hours

Not published in this record

Product, plan and location

Confirm the exact product or service
National contact — confirm product and location

Mailing address
Allegiance Care Management, PO Box 2339, Missoula, MT 59806-2339

Care-management correspondence for participating administered plans.

View source ↗ · Source checked 2026-10-22 · Third-party administrator identity ↗

Report an update
Wait time: not establishedBest time from caller reports: not established. Published hours are not a wait forecast.

prior authorization

Allegiance utilization management — inpatient

Official page read
Phone800-342-6510Fax

406-532-1501

Published hours

Not published in this record

Product, plan and location

Confirm the exact product or service
National contact — confirm product and location

Mailing address
Allegiance Care Management, PO Box 2339, Missoula, MT 59806-2339

Utilization-management correspondence for participating administered plans.

Fax is explicitly designated for inpatient utilization management. Confirm the member’s plan delegates utilization review to Allegiance.

View source ↗ · Source checked 2026-10-22 · Third-party administrator identity ↗

Report an update
Wait time: not establishedBest time from caller reports: not established. Published hours are not a wait forecast.

prior authorization

Allegiance utilization management — outpatient

Official page read
Phone800-342-6510Fax

406-532-3513

Published hours

Not published in this record

Product, plan and location

Confirm the exact product or service
National contact — confirm product and location

Mailing address

Not researched for this route

Fax is explicitly designated for outpatient utilization management; the phone is shared with inpatient review. Confirm plan delegation.

View source ↗ · Source checked 2026-10-22 · Third-party administrator identity ↗

Report an update
Wait time: not establishedBest time from caller reports: not established. Published hours are not a wait forecast.

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