eternalHealth Contact Directory
17 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 |
|---|---|---|---|---|---|
| 877-411-7271 | Edi Electronic Claims | All | N/A | Change Healthcare – set up account for electronic claims using eternalHealth Payer ID | View source |
| 877-828-8770 | Edi Electronic Claims | All | N/A | Zelis – set up account for electronic payments using eternalHealth Payer ID | View source |
| Payer ID RP037 | Edi Electronic Claims | All | N/A | Payer ID for eternalHealth for electronic claims (Change Healthcare / other clearinghouses) | View source |
| 800-680-4568 | Eligibility Benefits | Medicare | N/A | General plan contact listed for member rights/prior authorizations (may reach same service line used by providers for PA assistance) | View source |
| 888-712-4150 | General | All | N/A | Compliance / privacy contact (may be used for compliance-related provider issues) | View source |
| 617-546-5733 | Provider Services | All | N/A | Provider Relations (General Inquiries) | View source |
| 800-680-9255 | Provider Services, Medical Management, General | All | Monday – Friday 9am – 5pm EST | Monday – Friday, 9am – 5pm EST | Provider Relations / Provider Services (general inquiries, billing, claims, payments) | Provider Services Department – coverage/prior authorization questions for Medicare Advantage plans | Main office phone from provider manual | View source |
Fax
3 rows
| Contact | Purpose | Line of Business | Hours | Notes | Source |
|---|---|---|---|---|---|
| 866-347-8864 | General | All | N/A | Main office fax from provider manual | View source |
| 866-215-4297 | Prior Authorization | Medicare | N/A | Expedited prior authorization requests (medical services) | View source |
| 866-337-8686 | Prior Authorization | Medicare | N/A | Standard prior authorization requests (medical services) | View source |
Mailing Addresses
5 rows
| Contact | Purpose | Line of Business | Hours | Notes | Source |
|---|---|---|---|---|---|
| eternalHealth Billing Department, PO Box 1263, Westborough, MA 01581 | Claims Submission | All | N/A | Billing department – general claims mailing address (current provider manual) | View source |
| eternalHealth Billing Department, PO Box 651, Southborough, MA 01772, Attn: eternalHealth Medicare | Claims Submission | Medicare | N/A | Billing department – Medicare claims mailing address (earlier provider manual) | View source |
| 31 Saint James Ave, Suite 950, Boston, MA 02116 | General | All | N/A | Corporate office address (from provider manual) | Corporate/administrative office address (not explicitly labeled for claims) from provider manual | View source |
| 376 Boylston St, Suite 501, Boston, MA 02116 | General | All | N/A | Office address from 2022 provider manual | View source |
| PO Box 1377, Westborough, MA 01581 | Prior Authorization, Provider Services | All | N/A | Mailing address listed for prior authorization requests (members/providers) | General mailing address | View source |
2 rows
| Contact | Purpose | Line of Business | Hours | Notes | Source |
|---|---|---|---|---|---|
| compliance@eternalhealth.com | General | All | N/A | Compliance email (privacy/compliance contact) | View source |
| ProviderRelations@eternalHealth.com | Provider Services | All | N/A | Provider Relations email | 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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