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Wellmark

Wellmark logo
Primary payer ID
Compare transaction IDs ↓
Last successful claim statusWithin the past weekObserved across Substrate's claim-status network.
SupportedEDI 276/277EDI 270/271

Coverage profile

Work Wellmark across every published route

Use the current payer record to choose the right claim-status, eligibility, portal, phone, or appeals workflow. Substrate only marks routes that are published for this payer.

Claim status

EDI 276/277

The Substrate Claim Status Agent can check clearinghouse claim status for your practice with Wellmark.

Available

Eligibility

EDI 270/271

The Substrate Eligibility Agent can verify patient benefits, identify TPAs and carve-outs, and more with Wellmark.

Available

Other aliases

Also known as

  • 10395
  • 10396
  • 12B92
  • 1404
  • 1510
  • 2490
  • 6672
  • 6733
  • 88848
  • 88851
  • CBIA1
  • CBIA2
  • IABCBS
  • IABLM
  • IABLS
  • SB640
  • SB640MA
  • SB640MAP
  • SDBLS
  • BCBS South Dakota
  • Wellmark - Medicare Advantage
  • Wellmark Advantage Health Plan
  • Wellmark Blue Cross Blue Shield (Iowa, South Dakota)
  • Wellmark Blue Cross Blue Shield Dental (Iowa, South Dakota)
  • Wellmark Blue Cross and Blue Shield
  • Wellmark Blue Cross and Blue Shield of Iowa
  • Wellmark Blue Cross and Blue Shield of South Dakota
  • Wellmark Health Plan of Iowa
  • WELLMARK MEDICARE ADVANTAGE
  • WELLMARK BLUE CROSS BLUE SHIELD

Frequently asked questions

Wellmark payer FAQs

How do I check claim status with Wellmark?

Providers check Wellmark via EDI 276/277 when the payer ID is accepted. Substrate automates claim status across 3,500+ payers.

What is the payer ID for Wellmark?

The primary payer ID for Wellmark is 88848. The correct routing ID can differ by clearinghouse and transaction, so compare the 837P, 837I, 835, 270, and 276 entries before submitting.

What are the 837 payer IDs for Wellmark?

The 837P and 837I payer ID for Wellmark is 88848 via Stedi.

What is the 835 payer ID for Wellmark?

The 835 payer ID for Wellmark is 88848 via Stedi.

What is the 270 payer ID for Wellmark?

The 270 payer IDs for Wellmark are 88848 via Stedi and 88848 via Availity.

What is the 276 payer ID for Wellmark?

The 276 payer IDs for Wellmark are 88848 via Stedi and 88848 via Availity.

What states does Wellmark operate in?

Wellmark operates in IA and SD.

Routing reference

Wellmark payer IDs and operating states

Use the payer ID listed for the transaction you are submitting. Verify current routing and enrollment requirements with your clearinghouse.

Wellmark payer name, operating states, and transaction-specific payer IDs
Payer nameWellmarkSource: Substrate payer directory · last refreshed
Operating statesIA, SDSource: Substrate payer directory · last refreshed
837P professional claims payer IDStedi88848Source: Stedi payer catalog · catalog dated · matched by payer ID
837I institutional claims payer IDStedi88848Source: Stedi payer catalog · catalog dated · matched by payer ID
835 ERA payer IDStedi88848Enrollment requiredSource: Stedi payer catalog · catalog dated · matched by payer ID
270 eligibility payer IDStedi88848Source: Stedi payer catalog · catalog dated · matched by payer ID
270 eligibility payer IDAvaility88848Source: Availity payer catalog · catalog dated · matched by payer ID
276 claim status payer IDStedi88848Source: Stedi payer catalog · catalog dated · matched by payer ID
276 claim status payer IDAvaility88848Source: Availity payer catalog · catalog dated · matched by payer ID

Routing sources and verification

  • Substrate payer directoryPayer identity, aliases, operating states, and vendor IDs. Last refreshed .Open payer website ↗
  • Stedi payer catalogMatched by payer ID; matched record: Wellmark. Source dated .PrimaryPayerId is used as the transaction payer ID when the corresponding Stedi support flag is true.Open current Stedi reference ↗
  • Availity payer catalogMatched by payer ID; matched record: WELLMARK BCBS (IOWA, SOUTH DAKOTA). Source dated .The attached API workbook supplies 270 and 276 payer IDs only. It does not supply 837P, 837I, or 835 IDs.Open current Availity reference ↗
  • United Clearinghouse payer catalogMatched by payer name; matched record: Wellmark. The source did not provide a publication date.The attachment supplies payer names and states only; it does not contain transaction-specific payer IDs.Open current United Clearinghouse reference ↗

Clearinghouse payer IDs are transaction-specific and can change. Confirm the current payer list and the member’s ID card before submission.

Payer contact directory

Wellmark phone and fax numbers

Use the number associated with your task. These contacts were stated in successful eligibility responses and may apply to specific benefits, products, or departments.

Payer phone
(800) 214-4844WELLMARK BLUE CROSS BLUE SHIELD
Wellmark payer phone and fax directory
Channel and numberPayer NotesDepartmentSpecialties
phone(800) 414-5206Eligibility / benefitsBenefit context: Contact Following Entity for Eligibility or Benefit Information
  • CIGNA
Dental Care
phone(800) 467-1199Eligibility / benefitsBenefit context: Contact Following Entity for Eligibility or Benefit Information
  • BLUE VIEW VISION
Vision (Optometry)
phone(800) 972-8088Eligibility / benefitsBenefit context: Contact Following Entity for Eligibility or Benefit Information
  • CUSTOMER SERVICE
Hospital, Hospital - Inpatient
phone(800) 987-8369Eligibility / benefitsBenefit context: Contact Following Entity for Eligibility or Benefit Information
  • EXPRESS SCRIPTS
Pharmacy
phone(844) 910-3903Eligibility / benefitsBenefit context: Contact Following Entity for Eligibility or Benefit Information
  • CVS
Pharmacy
phone(855) 811-2218Eligibility / benefitsBenefit context: Contact Following Entity for Eligibility or Benefit Information
  • OPTUMRX
Pharmacy
phone(866) 776-4793Eligibility / benefitsBenefit context: Contact Following Entity for Eligibility or Benefit Information
  • ANTHEM BEHAVIORAL HEALTH
Dental Care
phone(866) 797-9884Eligibility / benefits, Utilization managementBenefit context: Contact Following Entity for Eligibility or Benefit Information; Benefit context: Co-Insurance
  • CARELONRX
  • UTILIZATION MANAGEMENT
Chiropractic, Hospital - Inpatient, Pharmacy
phone(888) 700-0992Eligibility / benefitsBenefit context: Contact Following Entity for Eligibility or Benefit Information
  • LIBERTY DENTAL
Dental Care
phone(866) 470-6244Utilization managementBenefit context: Co-Insurance
  • UTILIZATION MANAGEMENT
Hospital
phone(800) 275-2583Other stated contextBenefit context: Limitations
  • AUTHORIZATIONS
Hospital - Inpatient, Hospital
phone(800) 397-7337Other stated contextBenefit context: Co-Insurance
  • Availity Auth and Referrals Page
Hospital - Inpatient
phone(800) 452-8507Other stated contextBenefit context: Active Coverage
  • HIGHMARK MEDICAL MANAGEMENT & POLICY
Hospital
phone(844) 241-7087Other stated contextBenefit context: Co-Insurance
  • ANTHEM BLUE CROSS AND BLUE SHIELD
Hospital
phone(855) 243-3326Other stated contextBenefit context: Co-Insurance
  • Sleep Management Solutions
Hospital - Inpatient
phone(800) 214-4844
  • WELLMARK BLUE CROSS BLUE SHIELD
phone(800) 392-2512
  • WELLMARK BLUE CROSS BLUE SHIELD
phone(800) 676-2583
  • WELLMARK BLUE CROSS BLUE SHIELD
phone(800) 727-2227
  • WELLMARK BLUE CROSS BLUE SHIELD

Phone and fax numbers sourced directly from the payer response

Disclaimer

The information provided on this page is for general informational purposes only and does not constitute billing, coding, or reimbursement advice. Nothing on this page should be relied upon as a substitute for clinician assessment, professional billing guidance, or as a definitive statement of any payor's billing requirements or policies.

Payor agreements, fee schedules, and billing policies vary and are subject to change. Before submitting any claims related to maternity care services — including claims affected by the 2027 CPT code revisions — providers should consult the applicable payor agreements, coverage policies, and billing guidelines to confirm current requirements for their specific payor contracts.

Substrate makes no representation or warranty regarding the accuracy, completeness, or timeliness of the payor-specific information presented here. Providers are solely responsible for ensuring that all claims are submitted in accordance with applicable payor requirements, and Substrate assumes no liability for claim denials, underpayments, or other adverse outcomes arising from reliance on this information.