Benefits member help

Get assistance with your health or retirement benefits administered by Mercer in the United States. Get help with your benefits in a different region.

Support for Employees of Mercer Clients

Account support for Merer Wise 401(k) Participants

If you are a 401k participant and need to contact Transamerica, please call us at 1‑888‑976‑8159 for assistance.

Defined Benefit Pension Plan Support

In 2019, Morneau Shepell Inc. acquired the US Mercer large market health and defined benefit (“DB”) pension plan administration business. For further assistance with defined benefit requests, please contact Morneau Shepell directly at 1‑888‑867‑5993 or askus@morneaushepell.com.

Mercer BenefitsCentral and iBenefitCenter Support

If you are an active or former employee and have questions regarding your employer health or retirement benefits administered by Mercer, or simply need assistance accessing your online account for Mercer BenefitsCentral or iBenefitCenter, please call us at 1‑888‑434‑1144.

Mercer Marketplace 365 Support for Active Employees and Retirees

If you are an active employee and have questions regarding your employer health benefits offered through Mercer Marketplace 365, please call 1‑855‑963‑7237; alternatively, if you are a retiree of an employer offering health benefits through Mercer Marketplace 365 and are interested in enrolling in coverage or have questions regarding your current benefits, please call 1‑888‑434‑1144 or email us at Retiree.Exchange@mercer.com.

Support for Members of Associations

If you are a member of an association and are interested in enrolling in coverage or have questions regarding your current professional liability, life or health policies offered through Mercer, please call us as at 1‑800‑503‑9230.