Learn more about what to expect as you approach 2025 Annual Enrollment with this guide.
Learn more about what to expect as you approach 2025 Annual Enrollment with this guide.
Learn more about what to expect as you approach Medicare eligibility with the future retiree guide.
Caltech offers retiree medical plans for retirees not yet Medicare eligible up to age 65.
Choose the Medicare plan that works best for you.
Learn more about your Defined Dollar Credit benefit.
Protect the ones you love.
Vision Benefits that are easy to use!
Dental plans to help you save!
Here are some additional resources available for you.
Get answers to your most frequently asked questions here!
We're here to help! Call the Caltech Retiree Service Center Monday-Friday between 5:30 a.m. and 6 p.m. PT.
User Guide for My Account
Optional Service for Setting Up Automatic Premium Payment (EFT/ACH)
Understanding your Caltech Retiree Service Center Monthly Billing Notice
All monthly bills generate the first Saturday of each month for the next month’s premium due. Below is an example of how the billing process works:
Click Here to view a PDF further explaining your premium notice.
When to Contact the Caltech Retiree Service Center?
We are Mercer and we have partnered with Caltech to provide all of your retiree health benefit administration services. Please feel free to contact us if you have any questions regarding the Caltech Retiree Health Benefits Program.
We handle the administration services for Caltech, please contact us if you have any questions regarding:
We can be reached at, 1-855-251-0910 Monday – Friday, 5:30 a.m. – 6:00 p.m., Pacific Time.
New Retirees
Need to Update Your Address?
If there is an address change, please contact the following applicable parties to ensure your records are correct:
Retiree Service Center Holiday Schedule
2024 Electronic Funds Transfer Calendar