TakeCare Insurance Contact Directory
15 contact channels across 4 types (Email, Fax, Mailing Address, Phone) for claims, prior authorization, provider services, and more.
Last verified Aug 25, 2026 from the payer's published directories.
Phone
7 rows
| Contact | Purpose | Line of Business | Hours | Notes | Source |
|---|---|---|---|---|---|
| 877-757-6418 | Eligibility Benefits | All | Monday–Friday 8am–5pm (Guam); Saturday, Sunday and Holidays Closed | Toll-free customer service; can be used by providers for coverage, eligibility, and network questions when no dedicated provider line is listed. - Customer Service toll-free for eligibility, benefits, and general inquiries | View source |
| 671-647-3526 | Eligibility Benefits, General | All | Monday–Friday 8am–5pm (Guam); Saturday, Sunday and Holidays Closed | Monday-Friday 8am-5pm | Customer Service; can be used by providers for coverage, eligibility, and network questions when no dedicated provider line is listed. - Customer Service for eligibility, benefits, and general inquiries | Customer Service / claims questions and assistance | View source |
| 671-646-6956 | General | All | N/A | Administration telephone | View source |
| 800-671-8075 | Medical Management | All | N/A | Medical Referral Services (MRS) Hotline for TakeCare members and providers arranging off-island or referred services. - Medical Referral Services (MRS) Hotline – US and Canada toll-free | View source |
| 671-300-5995 | Medical Management | All | N/A | Medical Referral Services (MRS) Hotline local Guam number for referrals and off-island coordination. - Medical Referral Services (MRS) Hotline – Guam | View source |
| 632-53172273 | Medical Management | All | N/A | Medical Referral Services (MRS) Hotline Philippines number for referrals and off-island coordination. - Medical Referral Services (MRS) Hotline – Philippines | View source |
| 671-646-6956 ext. 7271 | Provider Services, Credentialing Enrollment | All | N/A | Provider Contracting phone number listed in Provider Handbook; for contracting and related provider network issues. - Provider Contracting telephone (Provider Relations) | Provider Contracting phone | View source |
Fax
3 rows
| Contact | Purpose | Line of Business | Hours | Notes | Source |
|---|---|---|---|---|---|
| 671-647-3551 | General | All | N/A | Administration fax | View source |
| 671-647-3541 | Medical Management | All | N/A | Medical Referral Services fax for submitting referral documentation and supporting clinical records. - Medical Referral Services (MRS) fax | View source |
| 671-647-3549 | Provider Services, Credentialing Enrollment | All | N/A | Provider Contracting fax listed in Provider Handbook; for contracting documents and related correspondence. - Provider Contracting fax (Provider Relations) | Provider Contracting fax | View source |
Mailing Addresses
3 rows
| Contact | Purpose | Line of Business | Hours | Notes | Source |
|---|---|---|---|---|---|
| Plan Contracting/Provider Relations Department, P.O. Box 6578, Tamuning, Guam 96931 | Appeals Disputes, General | All | N/A | Plan Contracting/Provider Relations Department for provider contract disputes (from Provider Handbook) | Administrative mailing address | View source |
| TakeCare Insurance Company, Inc., 415 Chalan San Antonio Street, Baltej Pavilion, Suite 108, Tamuning, Guam 96913 | General | All | N/A | Administrative physical address | View source |
| TakeCare Insurance Company, Inc., 219 S Marine Corps Drive, Suite 200, Tamuning, Guam 96913 | General | All | N/A | Physical administrative office address; typically for in-person or courier deliveries. - Administrative physical address | Administrative office physical address | View source |
2 rows
| Contact | Purpose | Line of Business | Hours | Notes | Source |
|---|---|---|---|---|---|
| TC.MRS@takecareasia.com | Medical Management | All | N/A | Medical Referral Services email for sending referral requests and related information. - Medical Referral Services (MRS) email | View source |
| mathew.eclavea@takecareasia.com | Provider Services, Credentialing Enrollment | All | N/A | Direct email for Provider Contracting contact person listed in Provider Handbook; for contracting and enrollment matters. - Provider Contracting email (Provider Relations) | Provider Contracting email (Mathew Eclavea) | 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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