HealthSelect of Texas Rx (Prescription Drug Program)

Caremark is the manager for the HealthSelectSM of Texas Prescription Drug Program.

To get your medication, take your prescription to the pharmacy of your choice. Using a network pharmacy will lower your costs and the pharmacy will submit the claim for you. You can submit long-term or maintenance medications to the mail order pharmacy by completing the mail order form. You can also purchase long-term and maintenance medications at participating EDS pharmacies.

View frequently asked questions about prescription drugs >

Register with your prescription card. Registering allows you to take advantage of Caremark's many online services, including online prescription refills from the mail service pharmacy.

Customer Service

(888) 886-8490 available 24/7

TDD (telecommunications device for the deaf) users please call toll-free (800) 231-4403

Group Number


Mailing Address 

Research Team
P.O. Box 6590
Lee's Summit, MO 64064-6590


Caremark Mail Order Service Form

Use the follow steps to use the mail order service form:

  1. Log in to your account on the Caremark website.
  2. Click the Prescriptions & Coverage link.
  3. Use the New Prescription link on the left side of the page.
  4. Open the Mail Service Order Form.

Parts of the form pre-fill with the your personal information. Complete the additional fields, print, sign, and mail the form to the address provided with a copy of your prescription. Your prescription must be written by your doctor for a 90-day supply of your medication with three refills.

If you do not wish to create an online account or do not have internet access, contact Caremark.