Payer directory
CareFirst BlueCross BlueShield provider contacts
Provider phone number, Prior authorization, Claims address, from CareFirst BlueCross BlueShield's own provider pages.
Provider service, BlueChoice, BluePreferred, HealthyBlue, Indemnity, BlueHPN (Commercial): 1-800-842-5975. From CareFirst BlueCross BlueShield's own page on provider.carefirst.com, verified October 23, 2026. 8 more entries by plan type below.
Provider phone number
| For | Type | Value | Payer page says | Verified |
|---|---|---|---|---|
| Provider service, BlueChoice, BluePreferred, HealthyBlue, Indemnity, BlueHPNCommercial | Phone | 1-800-842-5975 | Blue High Performance NetworkSM (BlueHPNSM) 800-842-5975 Mail Administrator P.O. Box 14116 Lexington, KY 40512provider.carefirst.com | |
| Provider service, NASCO and out-of-area claims | Phone | 1-877-228-7268 | NASCO Service and Out-of-Area Claims: 877-228-7268provider.carefirst.com | |
| Provider service, FEP (D.C./Metropolitan Area)FEP, DC | Phone | 1-202-488-4900 | R prefix D.C./Metropolitan Area 202-488-4900provider.carefirst.com | |
| Provider service, FEP (Maryland)FEP, MD | Phone | 1-800-854-5256 | D.C./Metropolitan Area 202-488-4900 MD 800-854-5256provider.carefirst.com | |
| Provider service, Individual Medicare Advantage PPOMedicare Advantage | Phone | 1-833-536-2001 | CareFirst IDs have plan codes 193/963 833-536-2001 Medicare Medical Claimsprovider.carefirst.com | |
| Provider service, Group Medicare Advantage PPOMedicare Advantage | Phone | 1-833-939-4103 | CareFirst IDs have plan codes 193/693 833-939-4103 CareFirst BlueCrossprovider.carefirst.com | |
| Provider service, Community Health Plan MarylandMedicaid, MD | Phone | 1-800-730-8543 | MDD prefix 800-730-8543 or 410-779-9359provider.carefirst.com | |
| Provider service, Healthy DC PlanMedicaid, DC | Phone | 1-833-536-2167 | Healthy DC Plan OBH prefix 833-536-2167provider.carefirst.com | |
| BlueCard eligibility | Phone | 1-800-676-2583 | BlueCard Prefixes are unique Eligibility 800-676-2583provider.carefirst.com |
Prior authorization
| For | Type | Value | Payer page says | Verified |
|---|---|---|---|---|
| Pre-cert and pre-auth, commercial medicalCommercial | Phone | 1-866-773-2884 | Pre-cert/Pre-auth Commercial Medical: 866-773-2884provider.carefirst.com | |
| Pre-cert and pre-auth, Medicare Advantage medicalMedicare Advantage | Phone | 1-833-707-2287 | Medicare Advantage Medical: 833-707-2287provider.carefirst.com | |
| Precertification and preauthorization page | Web page | provider.carefirst.com | This list may vary based on account contracts and should be verified by contacting 1-866-773-2884.provider.carefirst.com |
Claims address
| For | Type | Value | Payer page says | Verified |
|---|---|---|---|---|
| Paper claims, BlueChoice, BluePreferred, HealthyBlue, Indemnity, BlueHPNCommercial | Mailing address | Mail Administrator, P.O. Box 14116, Lexington, KY 40512 | 800-842-5975 Mail Administrator P.O. Box 14116 Lexington, KY 40512provider.carefirst.com | |
| Paper claims, NASCO | Mailing address | Mail Administrator, P.O. Box 14115, Lexington, KY 40512 | 877-228-7268 Mail Administrator P.O. Box 14115 Lexington, KY 40512provider.carefirst.com | |
| Paper claims, FEPFEP | Mailing address | Mail Administrator, P.O. Box 14113, Lexington, KY 40512 | D.C./Metropolitan Area Mail Administrator P.O. Box 14113 Lexington, KY 40512provider.carefirst.com | |
| Paper claims, Individual Medicare Advantage PPOMedicare Advantage | Mailing address | Medicare Medical Claims, P.O. Box 14063, Lexington, KY 40512 | 833-536-2001 Medicare Medical Claims P.O. Box 14063 Lexington, KY 40512provider.carefirst.com | |
| Paper claims, Group Medicare Advantage PPOMedicare Advantage | Mailing address | CareFirst BlueCross BlueShield Medicare Advantage, P.O. Box 14100, Lexington, KY 40512 | 833-939-4103 CareFirst BlueCross BlueShield Medicare Advantage P.O. Box 14100 Lexington, KY 40512provider.carefirst.com | |
| Paper claims, Community Health Plan MarylandMedicaid, MD | Mailing address | CareFirst BlueCross BlueShield Community Health Plan Maryland, P.O. Box 14362, Lexington, KY 40512 | CareFirst BlueCross BlueShield Community Health Plan Maryland P.O. Box 14362 Lexington, KY 40512provider.carefirst.com |
Rivvi lists only what CareFirst BlueCross BlueShield publishes on its own provider pages (provider.carefirst.com). A topic with nothing verified is left off. This page does not say which providers or plans CareFirst BlueCross BlueShield contracts with.
Related
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Source: CareFirst BlueCross BlueShield's own provider pages, linked in each table. Checked . Last updated . How Rivvi sources data. Spot an error? hello@rivvi.ai.
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