New VDP Provider Portal and 835 Remittance Advice Registration Instructions for Pharmacies Coming Soon

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The Texas Health and Human Services Commission (HHSC) selected Gainwell Technologies (Gainwell) as the pharmacy benefit administrator for the Texas Vendor Drug Program (VDP). Texas VDP will begin using Gainwell’s new VDP Provider Portal for its administrative pharmacy needs starting March 30.

Pharmacies will begin receiving mailed letters with detailed instructions on registering for access to the provider portal after March 15. 

Check your mail frequently and register for the portal beginning March 30. Large retail chain pharmacies will receive instructions from their corporate office to register for the portal. 

Pharmacies must register for the new provider portal by April 4 to access your 835 remittance advice.

Check your mail frequently and register for the portal beginning March 30. If you have not received the letter by March 29 or have questions, contact the following:

  • Between March 18-29: call the Gainwell Registration Call Center at 833-839-2710.
  • After March 29: call the Pharmacy and Technical Call Center at 800-435-4165:
    • Saturday, March 30, from 8 a.m. to 5 p.m.
    • Sunday, March 31, from 9 a.m. to 5 p.m.

The Gainwell Pharmacy and Technical Call Center begins regular operating hours on April 1, Monday to Friday, 7 a.m. to 7 p.m.

Refer to the System Transition Resources for more information about this change. You can also register with the HHSC email notification service to review emails from VDP about the change.