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Trustmark Companies
400 Field Drive
Lake Forest, IL 60045

General phone number: 847-615-1500
General fax number: 847-615-3910

For online medical claims lookup, benefits, eligibility and other information, look under this website’s headings of Insured/Participants, Employers or Physicians/Providers to link to the information you need.

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Trustmark Life Insurance Company, Trustmark Insurance Company and CoreSource. All rights reserved.