Reporting an Injury

  • To report a workers' compensation injury contact Cristal Arguelles at (915) 434-0480.

    YISD Workers’ Compensation Third Party Administrator
    For questions regarding general information, disputes, pre-authorization and/or verification of services contact:

    Claims Administrative Services (CAS)
    Lisa Ramirez, Claims Adjuster
    Business (800) 765-2412 ext 1013
    Fax (903) 509-1888

    Send YISD workers’ compensation bills and medical records to:

    Claims Administrative Services (CAS)
    P.O. Box 7500
    Tyler, Texas 75711
    Business (800) 765-2412
    Fax (903) 509-1888

    For YISD workers’ compensation questions regarding the status of a medical bill contact:

    Claims Administrative Services (CAS)
    Attention: Provider Maintenance Specialist