Also covers: BCBSMT, BCBS of Montana
Payer ID
Varies — confirm via portal / clearinghouse
Could not confidently confirm a numeric commercial payer ID. Clearinghouses list alphanumeric aliases (e.g. 'MTBLS'); Blue Cross Medicare Advantage uses 66006.
Timely Filing Limit (TFL)
Varies — confirm via portal / clearinghouse
Appeal Window
Provider appeals follow the HCSC/BCBSMT process via the provider manual and Availity
Clearinghouse
Availity (primary); also Office Ally, Optum, Trizetto, Claim.MD
Provider Services
800-447-7828
Claims Fax
Varies — confirm via portal / clearinghouse
Claims Address
BCBSMT, P.O. Box 660255, Dallas, TX 75266-0255 (commercial)
Provider Portal
https://www.availity.com
HCSC-operated Blue plan. Commercial timely filing and numeric payer ID not confidently confirmed.
Values vary by plan, region, and contract and can change. Confirm in the payer portal or with your clearinghouse before filing.
Aethera's AR team works Blue Cross and Blue Shield of Montana every day — payer rules, appeals, and clean-claim submission, handled.
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