Post Op, Post-Op, Post Surgical, Post-Surgical, General Surgery, Surgical Intermediate, Orthopedics, Ortho, Surgical, Med-Surg, Med/Surg, Medical Surgical, Med-Tele, Med/Tele, Med Tele, Telemetry]. HCA Houston Healthcare Mainland, a campus of HCA Houston Healthcare Clear Lake, has been serving Texas City, Texas for more than 60 years—bringing compassionate, “patients first” care into Galveston County and the surrounding communities.