Welcome to Optum Rx

Welcome to the Optum Rx website for the Michigan Public School Employees Retirement System. This site contains helpful information regarding your prescription drug coverage. You can use the contact information in the contact us section if you have questions about this information or require additional information.

Your pharmacy network

The pharmacy network includes access to thousands of retail locations, including large, national chains and many community pharmacies. For medications you take regularly, you can also use Optum Home Delivery.

Find a network pharmacy

Your prescription drug benefits

Working with your benefits plan sponsor, OptumRx provides convenient and flexible options for the prescription drugs you and your family may need. We are here to guide you through the open enrollment process and to help you understand your plan options, so that you can save time and money when your benefits plan starts.

Prescription Drug List

Drug pricing tool

MPSERS Formulary

Contact Information

For eligibility questions contact ORS customer service at 1-800-381-5111
For questions regarding prescription drug benefits and home delivery call 1-855-577-6517
For specialty medications contact Optum Rx Specialty Pharmacy at 1-855-427-4682