Contractor Employment Verification

Mound Benefits Center
Phone: (866) 296-5036

Medical and Life Insurance for Former EG&G, BWXTO, and CH2M HILL Employees

For questions about health insurance coverage and/or dependent information, life insurance and/or beneficiaries, etc.: 

Mound Benefits Center
P.O. Box 9920
Providence, RI 02940-4020
Phone: (866) 296-5036
Hours: 9:00 a.m. to 6:00 p.m. EST, Monday through Friday

For questions about insurance claims: 

Phone: (877) 849-4084 

For questions about prescription drug coverage: 

Phone: (866) 334-3870

For questions about insurance premium billing:  

P.O. Box 660212
Dallas, TX 75266-0212
Phone: (877) 722-2667
Hours: 7:00 am to 7 pm CST, Monday through Friday

Pension Benefits for Former EG&G, BWXTO, and CH2M HILL Employees

Effective November 1, 2017:

MassMutual Insurance Company
Phone: (800) 775-4331

Benefits Issue Resolution

Hanford Mission Integration Solutions, LLC
P.O. Box 943, MSIN H2-24
Richland, WA 99352

Annette Zimmerman, Benefits Specialist
Phone: (509) 376-8933

Pension and Benefits for All Former Monsanto Research Corporation Employees

Retiree Service Center
Phone: (800) 338-3308