In Connecticut, Blue Cross Blue Shield is Anthem Blue Cross and Blue Shield. The legal entity is Anthem Health Plans, Inc. and it is an independent licensee of the Blue Cross and Blue Shield Association (Anthem CT Quick Contact Guide).
Checked 10/1/26.
Quick facts
| Electronic claims | Availity. The 2026 Connecticut manual tells providers to send claims to the Availity EDI gateway. Confirm the payer ID in the Availity payer list. |
|---|---|
| Provider Services | 800-676-BLUE (2583) |
| Provider website | anthem.com/ct/provider |
| Behavioral health | Carelon Behavioral Health manages Anthem Connecticut commercial and Medicare Advantage behavioral health |
| Carelon provider service line | 1-800-397-1630, 8 a.m. to 8 p.m. ET weekdays (quick reference, updated 2/7/2023) |
| Credentialing | CAQH ProView and Anthem's join page; behavioral health providers use the same route |
| State regulator | Connecticut Insurance Department, (860) 297-3900 |
Private payer: claims
Submit electronically. The 2026 Connecticut quick contact guide lists a refund address but no claims box: Central Region-CCOA Lockbox, PO Box 73651, Cleveland, OH 44193. Do not use older Connecticut claims addresses in circulation from 2017.
Private payer: disputes
Anthem's preferred route is the Availity payment appeal tool. Anthem has said written payment disputes can go to its Provider Payment Disputes unit; check the current quick contact guide for the address.
Private payer: behavioral health
Carelon handles credentialing and claims for Connecticut behavioral health. Its claims go through Availity (Carelon Connecticut quick reference; CT addendum).
State law
Connecticut requires mental health benefits and financial and treatment-limit parity for individual and fully insured group plans (Connecticut Insurance Department).
Frequently asked questions
Who is the Connecticut Blue?
Anthem Blue Cross and Blue Shield, legally Anthem Health Plans, Inc., an independent licensee of the Blue Cross and Blue Shield Association.
Who manages behavioral health for Anthem in Connecticut?
Carelon Behavioral Health manages commercial and Medicare Advantage behavioral health, including credentialing and claims.
Where do I get the Anthem Connecticut payer ID?
Anthem's 2026 Connecticut manual sends claims to the Availity EDI gateway. Confirm the payer ID in the Availity payer list.
How MCM South helps with BCBS Connecticut
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 a BCBS Connecticut 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 BCBS Connecticut 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.