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Employer Identification Number 42-0318333

WELLMARK, INC. is a USA domiciled entity or foreign entity operating in the USA. The EIN ihas been issued by the IRS

Company Name:WELLMARK, INC.
Employer identification number (EIN):42-0318333
EIN Issuing AuthorityPhiladelphia, PA
NAIC Classification:524140
401k Pension/Benefits registration WELLMARK, INC. 401k plan information

Other Company Names associated with EIN

WELLMARK HEALTH PLAN OF IOWA
IOWA NORTHERN RAILWAY COMPANY
WELLMARK, INC.
WELLMARK BCBS OF IOWA
WELLMARK BLUE CROSS AND BLUE SHIELD OF IOWA
WELLMARK BLUE CROSS BLUE SHIELD OF IOWA
WELLMARK BLUE CROSS BLUE SHEILD
BLUE CROSS BLUE SHIELD
WELMARK BLUE CROSS AND BLUE SHIELD OF IOWA
WELLMARK BLUE CROSS BLUE SHIELD
WELLMARK
WELLMARK BLUE CROSS & BLUE SHIELD OF IOWA
WELLMARK BLUECROSS BLUESHIELD OF IOWA
WELLMARK INC.
WELLMARK BLUE BROSS AND BLUE SHIELD OF IOWA
WELLMARK, INC
WELLMARK BCBS
WELLMARK CLUE CROSS
WELLMARK BLUE CROSS
WELLMARK BLUE CROSS AND BLUE SHIELD
WELLMARK BLUE CROSS AND BLUE SHIELD OF IA
WELLMARK INC
WELMARK, INC. (WELLMARK BLUE CROSS AND BLUE SHIELD OF IOWA)
WELLMARK BLUE CROSS AND BLUE SHIELD OF IOWA, INC.
WELLMARK BLUECROSS & BLUE SHIELD OF IOWA
BLUECROSS AND BLUE SHIELD OF IOWA
WELLMARK BLUECROSS AND BLUESHIELD OF IOWA
WELLMARK BLUE CROSS AND BLUE SHEILD OF IOWA
WELLMARK INC WELLMARK BLUE CROSS AND BLUE SHIELD OF IOWA
WELLMARK, BLUE CROSS AND BLUE SHIELD OF IOWA

Organization Addresses

The following addresses have been detected as associated with Tax Indentification Number 420318333

USA Mailing Address
1331 GRAND AVENUE
DES MOINES
IA
503092502
Date first seen: 2010-10-13
Date last seen: 2025-09-17
USA Location Address
1331 GRAND AVENUE
DES MOINES
IA
50309
Date first seen: 2007-01-01
Date last seen: 2025-09-30
USA Mailing Address
1331 GRAND AVENUE, STATION 5W615
DES MOINES
IA
50309
Date first seen: 2007-01-01
Date last seen: 2025-09-30
USA Mailing Address
636 GRAND AVENUE
DES MOINES
IA
503092565
Date first seen: 2010-10-13
Date last seen: 2010-10-13
USA Mailing Address
1331 GRAND AVE
DES MOINES
IA
503092901
Date first seen: 2011-10-12
Date last seen: 2026-01-05
USA Location Address
1331 GRAND AVE
DES MOINES
IA
503092901
Date first seen: 2016-07-21
Date last seen: 2026-01-05
USA Mailing Address
201 CAMPUS DRIVE
HUXLEY
IA
50124
Date first seen: 2008-01-01
Date last seen: 2025-06-30
USA Location Address
636 GRAND AVENUE
DES MOINES
IA
503092502
Date first seen: 2010-10-13
Date last seen: 2010-10-13
USA Mailing Address
1331 GRAND AVENUE
DES MOINES
IA
503092901
Date first seen: 2025-08-03
Date last seen: 2026-01-06

Nearby companies/organizations

The following companies are located in the same ZIP code areas:

EIN Change Events for WELLMARK, INC.

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