Health plans and insurers

Blue Cross and Blue Shield of Montana

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

31 contact routesNo directory research calls placed

provider services

Provider services — group, BlueCard and individual plans (claims, benefits, eligibility, remits, PA status)

Official page read
Phone800-447-7828Published hours

Not published in this record

Product, plan and location

commercial · exchange
Montana

Mailing address

Not researched for this route

Menu guidance in the source record

Option 2 per the page

Menus can change. No live call verification is claimed.

Montana provider Contact Us page (HCSC-operated Blue Cross and Blue Shield of Montana). Page lists option 2 for claims questions, benefits, member eligibility, remit questions and prior authorization status.

View source ↗ · Source checked 2026-10-25

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

edi clearinghouse support

Availity Essentials client services (Montana)

Official page read
Phone800-282-4548Published hours

Not published in this record

Product, plan and location

commercial
Montana

Mailing address

Not researched for this route

Montana provider Contact Us page (HCSC-operated Blue Cross and Blue Shield of Montana). Availity handles benefits, claim status, eligibility, prior authorization requests (BlueApprovR), EFT/ERA enrollment and fee schedule.

View source ↗ · Source checked 2026-10-25

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

prior authorization

Carelon Medical Benefits Management (Montana)

Official page read
Phone844-377-1285Published hours

Not published in this record

Product, plan and location

commercial
Montana

Mailing address

Not researched for this route

Montana provider Contact Us page (HCSC-operated Blue Cross and Blue Shield of Montana).

View source ↗ · Source checked 2026-10-25

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

prior authorization

eviCore healthcare — Medicare Advantage specialty UM and recommended clinical review for radiation therapy and molecular testing (Montana)

Official page read
Phone855-252-1117Published email

clientservices@evicore.com

eviCore client services

Published hours

Not published in this record

Product, plan and location

commercial · medicare advantage
Montana

Mailing address

Not researched for this route

Montana provider Contact Us page (HCSC-operated Blue Cross and Blue Shield of Montana). Page says Medicare Advantage requires eviCore prior authorization for specialty utilization management; group and individual plans use eviCore for recommended clinical review of radiation therapy and molecular and genomic testing.

View source ↗ · Source checked 2026-10-25

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

dental

Dental benefits customer service (Montana, commercial)

Official page read
Phone888-381-9727Published hours

Monday-Friday 7 a.m.-6 p.m. Mountain

Product, plan and location

dental
Montana

Mailing address

Not researched for this route

Montana provider Contact Us page (HCSC-operated Blue Cross and Blue Shield of Montana). Commercial dental plans only.

View source ↗ · Source checked 2026-10-25

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

provider services

Special Investigations Department fraud hotline (Montana)

Official page read
Phone800-543-0867Published hours

24x7

Product, plan and location

Confirm the exact product or service
Montana

Mailing address

Not researched for this route

Montana provider Contact Us page (HCSC-operated Blue Cross and Blue Shield of Montana). Confidential fraud reporting; not for claims or eligibility.

View source ↗ · Source checked 2026-10-25

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

eligibility benefits

Federal Employee Program (FEP) — eligibility, benefits and claim status, EHB plans (Montana)

Official page read
Phone800-442-4607Published hours

Not published in this record

Product, plan and location

fehb
Montana

Mailing address

Not researched for this route

Montana provider Contact Us page (HCSC-operated Blue Cross and Blue Shield of Montana). PSHB plans use 877-707-2786; FEP behavioral health 800-528-7264.

View source ↗ · Source checked 2026-10-25

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

eligibility benefits

Federal Employee Program (FEP) — PSHB eligibility, benefits and claim status (Montana)

Official page read
Phone877-707-2786Published hours

Not published in this record

Product, plan and location

fehb
Montana

Mailing address

Not researched for this route

Montana provider Contact Us page (HCSC-operated Blue Cross and Blue Shield of Montana).

View source ↗ · Source checked 2026-10-25

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

behavioral health

Federal Employee Program (FEP) behavioral health services (Montana)

Official page read
Phone800-528-7264Published hours

Not published in this record

Product, plan and location

fehb
Montana

Mailing address

Not researched for this route

Montana provider Contact Us page (HCSC-operated Blue Cross and Blue Shield of Montana).

View source ↗ · Source checked 2026-10-25

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

prior authorization

Federal Employee Program (FEP) prior authorization (Montana)

Official page read
Phone877-885-3751Published hours

Not published in this record

Product, plan and location

fehb
Montana

Mailing address

Not researched for this route

Montana provider Contact Us page (HCSC-operated Blue Cross and Blue Shield of Montana).

View source ↗ · Source checked 2026-10-25

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

eligibility benefits

BlueCard — out-of-state Blue member eligibility and benefits (Montana page)

Official page read
Phone800-676-2583Published hours

Not published in this record

Product, plan and location

commercial
Montana

Mailing address

Not researched for this route

Montana provider Contact Us page (HCSC-operated Blue Cross and Blue Shield of Montana). Published as 800-676-BLUE (2583).

View source ↗ · Source checked 2026-10-25

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

behavioral health

Behavioral health unit and prior authorization (Montana)

Official page read
Phone855-313-8909Fax

855-649-9681

Published hours

Not published in this record

Product, plan and location

commercial
Montana

Mailing address

Not researched for this route

Montana provider Contact Us page (HCSC-operated Blue Cross and Blue Shield of Montana). Phone is listed under Behavioral Health and BH Prior Authorization; fax is the BH prior authorization fax.

View source ↗ · Source checked 2026-10-25

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

prior authorization

Individual plans medical prior authorization (Montana)

Official page read
Phone855-458-9444Published hours

Not published in this record

Product, plan and location

exchange
Montana

Mailing address

Not researched for this route

Montana provider Contact Us page (HCSC-operated Blue Cross and Blue Shield of Montana).

View source ↗ · Source checked 2026-10-25

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

prior authorization

Group plans medical prior authorization (Montana)

Official page read
Phone855-313-8914Fax

866-589-8256

Published hours

Not published in this record

Product, plan and location

commercial
Montana

Mailing address

Not researched for this route

Montana provider Contact Us page (HCSC-operated Blue Cross and Blue Shield of Montana). The same fax 866-589-8256 is listed for non-emergent group and individual appeals.

View source ↗ · Source checked 2026-10-25

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

fax prior auth

Recommended Clinical Review fax (Montana)

Official page read
Phone

No phone listed for this route

Fax

866-900-2634

Published hours

Not published in this record

Product, plan and location

commercial
Montana

Mailing address

Not researched for this route

Montana provider Contact Us page (HCSC-operated Blue Cross and Blue Shield of Montana). Page lists P: 800-447-7828 and this fax for Recommended Clinical Review.

View source ↗ · Source checked 2026-10-25

Report an update

case management

Case management (Montana)

Official page read
Phone855-313-8908Published hours

Not published in this record

Product, plan and location

Confirm the exact product or service
Montana

Mailing address

Not researched for this route

Montana provider Contact Us page (HCSC-operated Blue Cross and Blue Shield of Montana).

View source ↗ · Source checked 2026-10-25

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

case management

Disease management (Montana)

Official page read
Phone866-412-8795Published hours

Not published in this record

Product, plan and location

Confirm the exact product or service
Montana

Mailing address

Not researched for this route

Montana provider Contact Us page (HCSC-operated Blue Cross and Blue Shield of Montana).

View source ↗ · Source checked 2026-10-25

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

provider services

Healthy Montana Kids (HMK) provider contact

Official page read
Phone855-258-3489Published hours

Not published in this record

Product, plan and location

chip
Montana

Mailing address

Not researched for this route

Montana provider Contact Us page (HCSC-operated Blue Cross and Blue Shield of Montana).

View source ↗ · Source checked 2026-10-25

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

prior authorization

Healthy Montana Kids recommended clinical review and prior authorization

Official page read
Phone855-699-9907Fax

855-610-5684

Published hours

Not published in this record

Product, plan and location

chip
Montana

Mailing address

Not researched for this route

Montana provider Contact Us page (HCSC-operated Blue Cross and Blue Shield of Montana).

View source ↗ · Source checked 2026-10-25

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

fax appeals

Group, individual and Healthy Montana Kids appeals — non-emergent fax (Montana)

Official page read
Phone

No phone listed for this route

Fax

866-589-8256

Published hours

Not published in this record

Product, plan and location

commercial · chip
Montana

Mailing address

Not researched for this route

Montana provider Contact Us page (HCSC-operated Blue Cross and Blue Shield of Montana). Emergent appeals fax 406-441-5569 per the same page.

View source ↗ · Source checked 2026-10-25

Report an update

fax appeals

Group, individual and Healthy Montana Kids appeals — emergent fax (Montana)

Official page read
Phone

No phone listed for this route

Fax

406-441-5569

Published hours

Not published in this record

Product, plan and location

commercial · chip
Montana

Mailing address

Not researched for this route

Montana provider Contact Us page (HCSC-operated Blue Cross and Blue Shield of Montana).

View source ↗ · Source checked 2026-10-25

Report an update

provider services

Blue Cross Medicare Advantage (MT) provider customer service — individual plans

Official page read
Phone877-774-8592Published hours

Not published in this record

Product, plan and location

medicare advantage
Montana

Mailing address

Not researched for this route

Montana provider Contact Us page (HCSC-operated Blue Cross and Blue Shield of Montana). Also listed as the Medicare Advantage prior authorization number.

View source ↗ · Source checked 2026-10-25

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

provider services

Blue Cross Medicare Advantage (MT) provider customer service — group plans

Official page read
Phone877-299-1008Published hours

Not published in this record

Product, plan and location

medicare advantage
Montana

Mailing address

Not researched for this route

Montana provider Contact Us page (HCSC-operated Blue Cross and Blue Shield of Montana).

View source ↗ · Source checked 2026-10-25

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

prior authorization

Blue Cross Medicare Advantage (MT) peer-to-peer scheduling

Official page read
Phone800-981-2795Published hours

Not published in this record

Product, plan and location

medicare advantage
Montana

Mailing address

Not researched for this route

Montana provider Contact Us page (HCSC-operated Blue Cross and Blue Shield of Montana).

View source ↗ · Source checked 2026-10-25

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

claims

Blue Cross Medicare Advantage (MT) paper claims (payer ID 66006)

Official page read
Phone

No phone listed for this route

Published hours

Not published in this record

Product, plan and location

medicare advantage
Montana

Mailing address
Blue Cross Medicare Advantage c/o Provider Services PO Box 3686 Scranton, PA 18505

Paper claims

Montana provider Contact Us page (HCSC-operated Blue Cross and Blue Shield of Montana). Electronic payer ID 66006 via Availity or preferred vendor.

View source ↗ · Source checked 2026-10-25

Report an update

fax appeals

Blue Cross Medicare Advantage (MT) clinical appeals — standard fax and mail

Official page read
Phone

No phone listed for this route

Fax

800-419-2009

Published hours

Not published in this record

Product, plan and location

medicare advantage
Montana

Mailing address
Blue Cross Medicare Advantage c/o Appeals Department PO Box 663099 Dallas, TX 75266

Medical appeals

Montana provider Contact Us page (HCSC-operated Blue Cross and Blue Shield of Montana). Expedited appeals fax 800-338-2227.

View source ↗ · Source checked 2026-10-25

Report an update

fax appeals

Blue Cross Medicare Advantage (MT) expedited clinical appeals fax

Official page read
Phone

No phone listed for this route

Fax

800-338-2227

Published hours

Not published in this record

Product, plan and location

medicare advantage
Montana

Mailing address

Not researched for this route

Montana provider Contact Us page (HCSC-operated Blue Cross and Blue Shield of Montana).

View source ↗ · Source checked 2026-10-25

Report an update

fax claims

Blue Cross Medicare Advantage (MT) provider claim disputes fax and mail

Official page read
Phone

No phone listed for this route

Fax

855-674-9192

Published hours

Not published in this record

Product, plan and location

medicare advantage
Montana

Mailing address
Blue Cross Medicare Advantage Attn: Provider Claims Disputes PO Box 4555 Scranton, PA 18505

Provider claims disputes

Montana provider Contact Us page (HCSC-operated Blue Cross and Blue Shield of Montana).

View source ↗ · Source checked 2026-10-25

Report an update

fax appeals

Blue Cross Medicare Advantage (MT) grievances fax

Official page read
Phone

No phone listed for this route

Fax

855-674-9189

Published hours

Not published in this record

Product, plan and location

medicare advantage
Montana

Mailing address

Not researched for this route

Montana provider Contact Us page (HCSC-operated Blue Cross and Blue Shield of Montana). Member grievances; filed by member or authorized representative.

View source ↗ · Source checked 2026-10-25

Report an update

provider enrollment credentialing

Credentialing mailbox (Montana)

Official page read
Phone

No phone listed for this route

Published email

hcsx6100@bcbsmt.com

Credentialing questions

Published hours

Not published in this record

Product, plan and location

Confirm the exact product or service
Montana

Mailing address

Not researched for this route

Montana provider Contact Us page (HCSC-operated Blue Cross and Blue Shield of Montana). Credentialing issues; onboarding and demographic changes use forms on the page or Availity.

View source ↗ · Source checked 2026-10-25

Report an update

patient billing

1099 inquiries — Corporate Tax (Montana provider payments)

Official page read
Phone972-766-9057Fax

972-766-6657

Published email

1099inquiries@bcbstx.com

1099 requests

Published hours

Not published in this record

Product, plan and location

Confirm the exact product or service
Montana

Mailing address
Blue Cross Blue Shield of Montana Attn: Corporate Tax, A-2 PO Box 655730 Dallas, TX 75265

1099 requests

Montana provider Contact Us page (HCSC-operated Blue Cross and Blue Shield of Montana). Duplicate or corrected 1099 requests need provider name, TIN, mailing address and contact; not for claims.

View source ↗ · Source checked 2026-10-25

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

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