Anthem Blue Cross and Blue Shield of Wisconsin: Billing Guide
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In Wisconsin, Blue Cross Blue Shield coverage is sold as Anthem Blue Cross and Blue Shield. Anthem is part of Elevance Health and calls its state companies "independent licensees of the Blue Cross and Blue Shield Association" (Anthem Ohio provider page). Blue Cross Blue Shield of Wisconsin (BCBSWI) is part of this structure. Wisconsin rules apply to Wisconsin only.
Checked 10/1/26.
Quick facts
For every Anthem state: Provider Services is 800-676-BLUE (2583). Claims go through the Availity EDI Gateway. Anthem's own EDI pages do not list payer IDs; they send you to the Availity payer list (EDI page). Credentialing is CAQH ProView plus Anthem's online enrollment, with as the contact. Availity Client Services is 800-282-4548. Anthem's Quick Contact Guides are 2025 editions; open the state PDF before you copy an address.
| Legal entity | Blue Cross Blue Shield of Wisconsin (BCBSWI), underwriting PPO and indemnity policies and out-of-network POS benefits for Compcare Health Services Insurance Corporation and Wisconsin Collaborative Insurance Corporation |
|---|---|
| Paper claims (commercial professional) | Anthem, PO Box 105187, Atlanta, GA 30348-5187 |
| Appeals | Grievance and Appeals, PO Box 105568, Atlanta, GA 30348-5568 |
| Quick Contact Guide | Anthem Wisconsin guide |
| Commercial, Medicare and individual provider line | 800-676-2583 |
| Timely filing | 90 days from the date of service for professional commercial claims received on or after 10/1/2019, per Anthem notice (Indiana notice). Your contract controls |
| State regulator | Wisconsin Office of the Commissioner of Insurance |
Private payer: behavioral health
Anthem's commercial behavioral health pages say behavioral health benefits are integrated into Anthem medical plans (Anthem Wisconsin). Carelon Behavioral Health publishes provider guides for Anthem commercial plans in some states. Ask Provider Services which route applies to your contract.
Medicaid
Anthem's Medicaid line runs under a different entity with separate payer IDs and boxes.
Frequently asked questions
Where do I send Wisconsin paper claims to Anthem?
Commercial professional claims go to Anthem, PO Box 105187, Atlanta, GA 30348-5187. Electronic claims through Availity are faster.
How long do I have to file an Anthem Wisconsin claim?
Anthem announced a 90-day limit for professional commercial claims received on or after 10/1/2019. Your contract controls.
Where is the Anthem Wisconsin payer ID?
Anthem's EDI pages do not list payer IDs. They send you to the Availity payer list, so check it there before you submit.
How MCM South helps
MCM South bills Blue plans for psychotherapists and psychiatrists in the states we serve. We verify benefits, submit claims electronically, follow up on denials and appeals, and handle credentialing. Get a free quote. If an Anthem Wisconsin claim is denied or credentialing stalls, we follow up for you.
MCM South currently serves practices in GA, MA, CT, TX, FL, NY, CO, TN, NC and IL, and has worked in all 50 states. If your state is not on that list, ask us. This page is operational guidance for billing, not legal advice. For real financial or legal exposure, talk to your attorney or compliance officer.
Related: Blue Cross by State · How Blue Cross Blue Shield Works · Billing Terms Glossary · CPT and E/M Code Guide · Who We Serve.
This is the MCM South guide to Anthem Wisconsin for therapists and psychiatrists: where claims go, how appeals work, and what to check first.
Want a billing team that handles this for you? MCM South bills for psychotherapists and psychiatrists. Get a free quote.