WMI Mutual Insurance Contact Directory
7 contact channels across 4 types (Email, Fax, Mailing Address, Phone) for claims, prior authorization, provider services, and more.
Last verified Aug 26, 2026 from the payer's published directories.
Phone
2 rows
| Contact | Purpose | Line of Business | Hours | Notes | Source |
|---|---|---|---|---|---|
| 800-748-5340 | Claims Status, Eligibility Benefits, Provider Services, General | All | N/A | Claims department toll-free number listed in the appeals packet. | Claims and customer service department number listed in plan documents for questions about benefits and claims. | Toll-free telephone number shown on the contact page. - Claims department | Claims & Customer Service Department | Company main line; no separate provider services line was found in the retrieved sources. | General toll-free line (provider and other business contacts share same numbers; no separate provider line published) | View source |
| 801-263-8000 | Claims Status, Provider Services, Appeals Disputes, General | All | N/A | Claims and customer service department number listed in plan documents for questions about benefits and claims. | General telephone number shown on the contact page. | Claims department phone number listed for appeals questions and reconsideration requests. - Claims & Customer Service Department | Company main line; no separate provider services line was found in the retrieved sources. | Claims appeals / informal reconsideration | General administration and inquiries (provider and other business contacts share same numbers; no separate provider line published) | View source |
Fax
2 rows
| Contact | Purpose | Line of Business | Hours | Notes | Source |
|---|---|---|---|---|---|
| 801-263-1189 | Claims Submission, Appeals Disputes | All | N/A | Claims fax listed on the contact page. | Claims fax number listed in the appeals packet for informal reconsideration requests. - Claims fax / claims correspondence | Claims appeals / informal reconsideration | View source |
| 801-263-1247 | General | All | N/A | Administration fax listed on the contact page. | View source |
Mailing Addresses
1 rows
| Contact | Purpose | Line of Business | Hours | Notes | Source |
|---|---|---|---|---|---|
| Western Mutual Insurance Company, P.O. Box 572450, Murray, Utah 84157-2450 | General, Claims Submission, Appeals Disputes | All | N/A | Paper claims mailing address for claims submission. The appeals packet also references this as the claims department mailing address. | Claims appeals / informal reconsideration mailing address for the appeal packet. | General company mailing address shown on the contact page. - Mailing address appearing on coordination of benefits (COB) form | Paper claims | Informal Reconsideration / claims appeals | General mailing address (also used on coordination of benefits form) | View source |
2 rows
| Contact | Purpose | Line of Business | Hours | Notes | Source |
|---|---|---|---|---|---|
| enrollment@wmimutual.com | Credentialing Enrollment | All | N/A | Address changes, billing inquiries and terminations (enrollment-related) | View source |
| info@wmimutual.com | General | All | N/A | General contact email shown on the contact page. | View source |
Trek Health ingests and normalizes Transparency in Coverage data and payer policy updates to give provider organizations a clear view of how commercial reimbursement behaves across markets, payers, and services. Our platform transforms raw payer disclosures into structured intelligence that supports contract evaluation, payer negotiations, and service line strategy. By combining market benchmarks with ongoing policy visibility, Trek helps teams identify variability, risk, and opportunity in commercial reimbursement. The result is faster insight, stronger negotiating positions, and more informed financial decisions.
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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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