Directory information, not recipient confirmation. Fax numbers can change and differ by department, location, form, or plan. Confirm this destination directly with Sun Life Assurance Company of Canada (Group STD Claims) / Sun Life U.S. before sending sensitive documents. FaxFlow is not affiliated with this organization.

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Sun Life Assurance Company of Canada (Group STD Claims) / Sun Life U.S. fax number

(781) 304-5599

Group Short-Term Disability (STD) Claims

Used for: Submitting short-term disability claim documentation (e.g., Attending Physician's Statement, Third Party Authorization, and other STD claim forms) to Sun Life via fax to 781-304-5599.

Fax destination details

Department
Group Short-Term Disability (STD) Claims
Purpose
Submitting short-term disability claim documentation (e.g., Attending Physician's Statement, Third Party Authorization, and other STD claim forms) to Sun Life via fax to 781-304-5599.
Form
Attending Physician's Statement (APS); Third Party Authorization; STD claim forms — Attending Physician's Statement (APS)
Address
Sun Life Assurance Company of Canada, Group STD Claims, P.O. Box 81915, Wellesley Hills, MA 02481
Voice phone
800-247-6875

Before you send

  • Confirm that this exact department handles your document or request.
  • Check the organization website or call its main line for the current fax number.
  • Include a cover sheet and any case, member, claim, or form reference required.
  • Keep the delivery confirmation with your submission records.

Have your physician complete the APS and any required medical information; complete the Third Party Authorization form; fax the completed documents to Sun Life at 781-304-5599 to initiate processing of a Short-Term Disability claim.

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