Other Blue Cross Blue Shield Plans by State: Billing Guides

Premera's payer ID is 00430 (dental 47570), the same ID used in Washington. EDI contact: . Paper claims: Premera Blue Cross, PO Box 91059, Seattle, WA 98111-9159; the EDI page says the ID card controls (Washington contact, Alaska contact). Appeals: PO Box 91102, Seattle, WA 98111-9202. BlueCard eligibility 800-676-BLUE (2583). Availity 800-282-4548; provider sign-in is Availity Essentials.

Private payer: behavioral health. Premera's behavioral health page links ABA resources, mobile crisis response and mental health resources. It does not name a behavioral health vendor. Carelon Medical Benefits Management appears on Premera's utilization review pages for specific programs. Check the prior authorization page for the service you bill.

Washington is on the Washington page.

Across Highmark's states: Highmark Health is the parent company, and Highmark's entities are independent licensees of the Blue Cross Blue Shield Association (Highmark manual, chapter 1). Portal: Availity Essentials (support 800-282-4548). EDI help desk 800-992-0246, weekdays 8:00 a.m. to 4:30 p.m. Eastern. Paper claims must be on an original red CMS-1500. Credentialing: CAQH ProView first, then the Highmark Initial Credentialing Request Form (credentialing). Provider appeals: 180 days from the initial denial, by phone or in writing (chapter 5, unit 5). Timely filing, if your contract is silent: 365 days from the last date of service (PA CHIP: 180 days). Corrected claims: within 15 months of the original claim's finalization, effective 9/1/2026 (general claim guidelines). Behavioral health is in-house (Highmark Behavioral Health Services). As of March 1, 2026, outpatient prior authorization applies to ABA, intensive outpatient, partial hospitalization and TMS. The page does not list routine outpatient psychotherapy or medication management. FEP and Medicare are excluded (behavioral health unit). Telehealth: Reimbursement Policy RP-046 requires place of service 02 or 10 plus modifiers (telemedicine unit); read RP-046 for modifiers.

Source: Highmark manual, chapter 6, unit 2, matched to the March 2026 EDI companion guide.

HMSA is the Blue Cross and Blue Shield licensee for the state of Hawaii and says it is an independent licensee of the Association (HMSA, 2023). It serves all islands.

Private payer: do not generalize the vendor. Blue Shield of California ended its Magellan arrangement in 2026. HMSA is a different company, and the HMSA behavioral health program document is the source for HMSA.

Blue Cross of Idaho Health Service, Inc. is an independent licensee of the Blue Cross and Blue Shield Association, and it is not Regence BlueShield of Idaho (Blue Cross of Idaho; Idaho DOI lists the two as separate carriers). Two Blue-branded companies sell in Idaho. Check the member's ID card for the name before you submit.

Regence BlueShield of Idaho is a separate company in the Cambia family. Its rules, payer ID and phones are different from Blue Cross of Idaho. Check the ID card. Regence is in the Cambia family. All Regence states: provider site regence.com/provider, signed in through Availity. Claims & payment. Pricing disputes and appeals (contracted allowable rates, contractual adverse determinations and disputes). Behavioral health providers and behavioral health forms (initial, concurrent step-down request and discharge notification forms). Contracting and credentialing. No attachments with an initial medical claim unless clinical edits require them (policy).

BCBSKS covers all Kansas counties except Johnson and Wyandotte, which belong to Blue KC (company facts). BCBSKS is an independent licensee of the Blue Cross Blue Shield Association.

Johnson and Wyandotte counties. Members there belong to Blue Cross and Blue Shield of Kansas City, a different company with a different claims box.

Private payer: behavioral health. BCBSKS uses Lucet for medical necessity decisions on behavioral health.

Blue KC is an independent licensee that covers 32 counties in western Missouri and eastern Kansas around Kansas City (Blue KC Basics). In Kansas that is Johnson and Wyandotte counties. In Missouri it is 30 counties, including Jackson, Clay, Platte and Cass. It is separate from BCBSKS.

Medicare Supplement and ACA plans use their own PO boxes. The contact directory lists them. Do not send those claims to the general box.

Nebraska Blue requires clean claims within 120 days of the date of service, unless your provider agreement says otherwise (policy GP-X-046). Secondary claims have 120 days from the primary EOB. Out-of-state BlueCard adjustments follow the member's home plan limits.

Private payer: telehealth. Nebraska Blue's telehealth policy (GP-X-016, updated July 1, 2026) lists behavioral health providers as covered and uses modifier 95. Telehealth-only providers must live in Nebraska and be credentialed with a Nebraska PHO or facility (telehealth policy). Read the policy for the place-of-service code before you bill.

Member appeals. Members have six months from the first denial for most groups; that rule is separate from provider claim appeals (member benefit appeals).

Regence is in the Cambia family. All Regence states: provider site regence.com/provider, signed in through Availity. Claims & payment. Pricing disputes and appeals (contracted allowable rates, contractual adverse determinations and disputes). Behavioral health providers and behavioral health forms (initial, concurrent step-down request and discharge notification forms). Contracting and credentialing. No attachments with an initial medical claim unless clinical edits require them (policy).

State regulator: Oregon Division of Financial Regulation.

In Puerto Rico and the U.S. Virgin Islands, Triple-S Salud, Inc. is the sole independent licensee of the BlueCross BlueShield Association (Triple-S circular M2212297, Spanish). GuideWell acquired Triple-S on February 1, 2022. Triple-S still operates under its own brand, and it is not part of Florida Blue (GuideWell release). BlueCard plan prefixes are 973 (Puerto Rico) and 965 (USVI). These are prefixes, not payer IDs.

Private payer: filing and adjustments. A November 2024 news report says Triple-S cut the commercial claim adjustment window from 120 to 20 days after an OCS cease-and-desist order in June 2023 (Metro Puerto Rico). Check Triple-S's current provider manual for the rule in force.

Regence is in the Cambia family. All Regence states: provider site regence.com/provider, signed in through Availity. Claims & payment. Pricing disputes and appeals (contracted allowable rates, contractual adverse determinations and disputes). Behavioral health providers and behavioral health forms (initial, concurrent step-down request and discharge notification forms). Contracting and credentialing. No attachments with an initial medical claim unless clinical edits require them (policy).

State regulator: Utah Insurance Department.

BCBSWY's standard filing limit is one year from the date of service; some groups have less. BCBSWY recommends filing within 60 days and does not accept roster billing (timely filing update).

Frequently asked questions

Which Blue covers the Kansas City area?

Blue KC covers 32 counties in western Missouri and eastern Kansas, including Johnson and Wyandotte counties in Kansas. BCBSKS covers the rest of Kansas.

What is the Highmark Delaware payer ID?

00570 for professional (837P) claims. The facility ID is 00070.

What is the BCBSKS payer ID?

47163 for BCBSKS commercial claims, per BCBSKS's EDI presentation.

How long do I have to file with Nebraska Blue?

Clean claims are due within 120 days of the date of service, unless your provider agreement says otherwise.

Who is the Blue in Puerto Rico?

Triple-S Salud, Inc., the sole independent licensee in Puerto Rico and the U.S. Virgin Islands.

How MCM South helps with other Blue Cross Blue Shield plans

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 other Blue Cross Blue Shield plans 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.