Blue Cross Blue Shield of South Dakota Contact Directory
8 contact channels across 3 types (Fax, Mailing Address, Phone) for claims, prior authorization, provider services, and more.
Last verified Sep 2, 2026 from the payer's published directories.
Phone
4 rows
| Contact | Purpose | Line of Business | Hours | Notes | Source |
|---|---|---|---|---|---|
| 855-716-2556 | Claims Status, Provider Services | Medicare | N/A | From Medicare Advantage Claims Filing Guide | From Medicare Advantage Claims Filing Guide – general MA contact - Status on Wellmark Advantage Medicare Advantage claims (after 30 days) | Wellmark Advantage – provider phone for Medicare Advantage claims/benefits questions | View source |
| 800-407-0267 | Edi Electronic Claims, Credentialing Enrollment | All | Monday–Friday, 7 a.m.–5:30 p.m. CT | EC Solutions / Wellmark Technical Support – assistance with electronic claims and web tools | Wellmark Provider Enrollment – contact for enrollment related to electronic dental services; source notes provider must already be credentialed | View source |
| 800-552-3993 | Prior Authorization, Medical Management | All | N/A | Precertification / pre-service review contact for Wellmark Blue Cross and Blue Shield South Dakota (listed as Precertification under Physician Services) | Utilization Management / pre-service review contact for non-contracted providers or providers outside of Iowa and South Dakota (pre-service review requirement per Authorization Table) | View source |
| 800-774-3892 | Provider Services | Commercial | Monday–Friday, 7:30 a.m.–5 p.m. CT | South Dakota providers – general provider line via Wellmark | View source |
Fax
2 rows
| Contact | Purpose | Line of Business | Hours | Notes | Source |
|---|---|---|---|---|---|
| 800-691-1038 | Edi Electronic Claims | Commercial | Monday–Friday, 7 a.m.–5:30 p.m. CT | Claims-related technical support fax | View source |
| 515-376-9098 | Provider Services | Commercial | Monday–Friday, 7:30 a.m.–5 p.m. CT | South Dakota providers – general fax for provider contacts | View source |
Mailing Addresses
2 rows
| Contact | Purpose | Line of Business | Hours | Notes | Source |
|---|---|---|---|---|---|
| Wellmark Advantage Health Plan, Station 1E238, PO Box 9291, Des Moines, IA 50306 | Claims Submission | Medicare | N/A | From Medicare Advantage Claims Filing Guide – Wellmark Advantage Health Plan - Paper claims mailing address – Wellmark Medicare Advantage (Wellmark Advantage Health Plan) | View source |
| Wellmark Blue Cross and Blue Shield, Station 1E238, PO Box 9291, Des Moines, IA 50306-9291 | Claims Submission | Commercial | N/A | Address appears in an out-of-network/non-network provider claims section of an EOC; may be used by non-network providers in South Dakota - Paper claims mailing address for South Dakota non-network providers | View source |
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Sources
Where this data comes from
Every contact in this directory comes from documents the payers publish themselves, such as provider manuals, quick reference guides, and contact pages, and each payer page shows when its contacts were last verified. You can see all of our data sources and how we process them.
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