Welcome to HealthSelect Medicare Rx provided through the Employees Retirement System of Texas (ERS)

ERS has chosen SilverScript® Insurance Company to manage your HealthSelect Medicare Rx prescription drug plan. SilverScript Insurance Company, a subsidiary of Caremark, is an approved Medicare Part D Prescription Drug Plan provider.  

As a member of HealthSelect Medicare Rx, you have access to the SilverScript customer service staff 24 hours a day, 7 days a week toll-free at (855) 344-0938.

If you are having difficulty logging into the website please contact Customer Care at (855) 344-0938.

HealthSelect Medicare Rx Plan Benefits


Retail Pharmacy: You have access to a large nationwide Pharmacy Network with more than 68,000* pharmacies. These include retail, mail service, long-term care, home infusion, and Indian Health and Indian Tribal pharmacies. Find out if your pharmacy is in the network by using the Pharmacy locator tool.

EDS Pharmacy: You have access to a large network of pharmacies who have agreed to fill your 31-90 supply of long-term medication at the mail order price. These pharmacies are part of the Extended Days Supply (EDS) network. Contact SilverScript toll-free at (855) 344-0938 (TTY-711) to find out if your pharmacy is in the EDS network. We are available 24 hours a day, seven days a week. For a listing of the pharmacies in this network, please click on the EDS Pharmacy List  document under the documents tab.  

If you are on any page within this website, you can click on any of the tabs or press the back arrow key to help you go back to a different page. Even in the pharmacy locator, you can press any tab and you will go back to where you want to be. If you want to go back to the home page, click the SilverScript logo at the upper left of the page. 

If you want to sign into your Caremark.com account, you can do so from the upper right hand corner of the page where it says Username/Password/Sign In. 

To return to the home page from any place on this site, please  click the SilverScript logo. 

*  Internal SilverScript Insurance Company report, June 2014

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Our knowledge and resources will help you understand Medicare Part D and the choices available to you.

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  • Have Questions? 1-855-344-0938
  • Call us toll-free, 24 hours a day, 7 days a week. TTY users call TTY-711
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