About Us
Single Employer Plan (SEP)

Hanford Mission Integration Solutions shows appreciation of our employees by offering a comprehensive benefits package that meets your needs and the needs of your family.  You have the flexibility to choose from a list of plans and options, the specific benefits that work best for you.

For information on our Health Plans, Flexible Spending Accounts and Disability Plans, please see the links to the left.  For additional information about these plans, and other benefits that are offered, please see the documents below. Plans


Qualifying Life Events


“Qualifying Life Events” give employees the opportunity to make corresponding changes to their health benefit elections.

To make a change due to a qualified life event go to:

  • Employee Self-Service program (ESS)

  • Benefits
  • My Current Benefits

  • Review Your Current Elections

    •  Go to the “Dependent” section,

    • Click “Add a Dependent” or “Delete a Previously Enrolled Individual”

These are time sensitive; Most changes need to be done within 31 days of the event (60 days for birth of a child).


Please contact HMIS Benefits with any questions at (509) 376-6962


Questions?  Email your questions concerning HMIS Single Employer Plans to:









Last Updated 07/11/2023 2:56 PM