Employees Retirement System (ERS) - EGWP

A prescriber receives their medication in the mail while a family member walks the dog.
HealthSelect of Texas Medicare Rx logo

Welcome HealthSelect
Medicare Rx Prescription Drug Program participants

Effective Jan. 1, 2024

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Don’t have an account? Register.

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Benefit Overview

Get a better understanding of how you and your plan work together to cover your medication.

Review Benefit

Home Delivery

Choose Express Scripts® Pharmacy and get a 90-day supply of your maintenance medication delivered with free standard shipping.

View Home Delivery brochure (PDF)

Medicare Home Delivery Order Form

Retail Pharmacies

We also have a large pharmacy network, including Extended Day Supply (EDS) pharmacies. We’ll help you find a nearby retail pharmacy.

Find a Pharmacy

pills and a hypodermic needle

Price a Medication

We’ll make it easy to check medication coverage options so you can compare prices and find savings.

Price a Medication

If you are receiving "Extra Help", otherwise known as "Low Income Subsidy Rider" or "LIS Rider," your copayment may be less that what is shown below. Please contact us toll-free at (866) 264-4676 (TTY: 711) for more information.

Contact Us

Current members and prospective members should call (866) 264-4676. TTY users should call 711.

Customer Service Hours:
24 hours a day, 7 days a week.

For plan questions you can write to us at:
Express Scripts Medicare P.O. Box 66535 St. Louis, MO 63166-6535

How do I contact Medicare?
For general information about Medicare Part D prescription drug coverage, call (800) MEDICARE (800) 633-4227. TTY users should call (877) 486-2048, 24 hours a day, 7 days a week. You can also visit the official Medicare website at www.medicare.gov. By selecting this link, you will be opening a new browser window to another site. We assume no responsibility for any material or information you may encounter on this or any other non-Express Scripts site.

Your coverage through December 2023

If you need information about your claims or coverage until Dec. 2023, contact United Healthcare (UHC) toll-free at (866) 868-0609 (TTY: 711) or visit https://retiree.uhc.com/ers.

Have questions about your eligibility or enrollment? Contact ERS or call (877) 275-4377 (Toll-free), TTY: 711 - 8 a.m. – 5 p.m. CT, Monday – Friday.

Express Scripts and the "E" logo are trademarks of Express Scripts Strategic Development, Inc. The ERS logo is a trademark of Employees Retirement System of Texas. The HealthSelect℠ of Texas logo is a trademark of Employees Retirement System of Texas. All other trademarks are the property of their respective owners.