Enter the Patient Portal to view your clinical account. Accessibility Patient Portal ... South Texas Spine & Surgical Hospital. 18600 N. Hardy Oak Blvd. San Antonio, Texas 78258. 210-404-0800. STSSHInquiries@nshinc.com. South Texas Spine & Surgical Outpatient Center. 18518 Hardy Oak Blvd Ste 100, San Antonio, TX 78258. 210-880-9897. Follow Us ....