Notice to Eye Care Physicians and Providers Envolve Vision of Texas, Inc. 5900 East Ben White Blvd. Austin, TX 78741 As a licensed eye care HMO, we accept on a continuous basis applications from eye care providers to join our Medicaid, Medicare, Commercial and Health Insurance Marketplace networks. Applications can be obtained by request ProviderContracts@EnvolveHealth.com or by calling 1-800-531-2818.