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Before you start

If your practice uses Thrizer for out-of-network BCBS claims, your practice needs an active non-participating provider record with each required Local / Host Blue Plan. An incomplete registration can delay claim processing. Registration creates a provider record and does not make your practice in network. Use this guide when one of these plans is a required Local / Host Plan for your practice or claim-service location:
  • Blue Cross and Blue Shield of Illinois (BCBSIL)
  • Blue Cross and Blue Shield of Montana (BCBSMT)
  • Blue Cross and Blue Shield of New Mexico (BCBSNM)
  • Blue Cross and Blue Shield of Oklahoma (BCBSOK)
  • Blue Cross and Blue Shield of Texas (BCBSTX)
These five plans use the same Provider Onboarding Form process. Complete a separate application for each required plan. Registering with one does not register you with the others. If you have not identified your required Local / Host Plan, start with BCBS reimbursement and provider registration.
Choose Participate out-of-network when the form asks how you want to participate. If you do not see that option, contact the plan before continuing.

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Have these documents and details ready

  • Your name, email address, phone number, and role as the person submitting the application
  • The practice’s legal name and Doing Business As (DBA) name, if applicable
  • The practice’s Tax ID (TIN), group or billing NPI when applicable, and every applicable clinician’s rendering NPI
  • Each applicable practice or claim-service location
  • A current, signed, and dated W-9
  • Official IRS notification assigning the TIN, such as an SS-4 or 147C
  • Any professional-license or provider-type documentation the plan requires
For a group practice, you will also download and complete the current roster from the form during the steps below.

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Open your plan’s form

Select the form for the plan you need to register with:

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Complete the application

1

Start a new application

Select New Application, set up the required security questions and answers, and select Start Application. Keep the application ID and security answers if you plan to save and return later. Saved applications are available for 30 days.Enter your submitter information. Use an email address you monitor because the plan sends application correspondence to this contact.
2

Choose out-of-network participation

Select Participate out-of-network, then Continue to Enter Your Information.
3

Choose your practice setup

Select the option that matches the record you need:
  • Bill as Solo Provider: you are registering a solo practice.
  • Add New Group/Clinic: you are registering a new group practice or clinic.
  • Add Providers to an Existing Group/Clinic: the group already has a record and you need to add clinicians.
4

Enter the practice and clinician information

Enter the billing practice or entity under its TIN and include every applicable clinician’s rendering NPI. Solo practitioners register the practice using their own NPI.Use only one TIN per application. Check that the legal name, DBA, TIN, NPIs, and locations match your supporting documents.
5

Complete the group roster, if applicable

If you are registering a new group or adding clinicians to an existing group, download the current roster supplied by the form. Complete it for the applicable clinicians and locations, then upload it where requested.Download a fresh copy from the form rather than using a previously saved or third-party template.
6

Upload the required documents

Upload your signed and dated W-9, official IRS TIN-assignment documentation, group roster when applicable, and any license or other attachment the form marks as required.
7

Review and submit

Review the application and attachments for matching names, TIN, NPIs, and addresses. Submit the completed application and retain the confirmation email and case number.Repeat the process through each other required plan’s form.

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What happens next

Use the case number from your confirmation email to check progress through your plan’s Case Status Checker. Registration usually takes up to one month to be confirmed, but the plan controls the actual timing. Contact the plan for questions about your application or its status. Once each required plan confirms that registration is active, contact Thrizer Support through your account and identify any affected claims. Support can review rejected or denied claims for resubmission when appropriate and continue monitoring pending claims. Registration does not create an in-network contract or guarantee claim approval or reimbursement.

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If the form does not match your situation

  • No out-of-network option: contact the plan before continuing. Do not choose an in-network option as a substitute.
  • A network agreement appears: if you intend to remain out of network, ask the plan why it provided the agreement before signing it.
  • You only need to update an existing record: use the plan’s current demographic-change process instead of creating a duplicate onboarding application.
  • You are registering an associate, pre-licensed, or supervised clinician: ask the plan or its behavioral-health administrator whether it recognizes that clinician as an out-of-network rendering provider. See guidance for supervised clinicians.
  • You are registering a facility or ancillary provider, or for a dental or government program: ask the plan for the applicable process. This guide covers professional providers and group practices.

BCBS reimbursement and provider registration

Identify your required Local / Host Plans and understand the general BCBS registration process.

Claims processing timeline

Understand claim processing times and what happens when a claim is delayed.