The doctors of Texas Surgical Associates operate in hospitals throughout the Houston area. Here's where we take care of our patients. Dr. Richard Alexander Memorial Hermann Southwest Spring Branch Medical Center Dr. Robert T. Baldwin Memorial Hermann Southwest Dr. Luis G. Echeverri Memorial Hermann Southwest Dr. Christos A. Katsigiannis Clear Lake Regional Medical Center Dr. Gerald M. Lawrie, F.A.C.S. The Methodist Hospital Dr. Cesar Nahas, F.A.C.S. Clear Lake Regional Medical Center The Methodist Hospital Dr. Mahesh K. Ramchandani Hermann Hospital The Methodist Hospital Dr. John E. Rea, III Memorial Hermann Southwest Hermann Hospital Dr. Wade R. Rosenberg, F.A.C.S. The Methodist Hospital Dr. Scott A. Scheinin, F.A.C.S. Hermann Hospital The Methodist Hospital St. Joseph Hospital St. Luke's Episcopal Hospital Dr. David D. Shin The Methodist Hospital St. Luke's Episcopal Hospital University General Hospital Dr. Gonzalo M. Vargas Memorial Hermann Southwest Gulf Coast Medical Center, Wharton, Texas