Welcome to our Gastroenterology Consultants, Southwest, L.L.P. (GEC SW) website. Our practice has been in southwest Houston since the early 1970's. The founder of this practice is Dr. Frank Lanza, who was President of The American College of Gastroenterology, 2002-2003.     All four of us are Board Certified with the American Board of Gastoenterology. We have two office locations: Memorial Hermann Southwest POB 1 7777 Southwest Freeway Suite #708 Houston, TX  77074 Opened: 1977 Phone: (713) 776-1074 Fax: (713) 776-3138 Methodist Sugar Land Hospital POB 2 16659 Southwest Freeway Suite #151 Sugar Land, TX  77479 Opened: 1999 Phone: (281) 491-9779 Fax: (281) 491-3551     We treat common gastrointestinal (GI) problems, liver disease, and screen for colon cancer (CRC). We perform several diagnostic procedures that include colonoscopy, proctosigmoidoscopy, upper GI endoscopy (EGD), and endoscopic retrograde cholangiopancreatography (ERCP).          These procedures are performed in an outpatient setting. We schedule them at one of three facilities:   Physicians Endoscopy Center 3030 S. Gessner #150 Houston, TX  77063 Phone: (713) 587-0909 Click here for website. Memorial Hermann SW Hospital 2nd Floor - Outpatient 7777 Southwest Freeway Houston, TX  77074 Phone: (713) 456-5176 Click here for website. Methodist Sugar Land Hospital 2nd Floor - Outpatient 16655 Southwest Freeway Sugar Land, TX  77479 Phone: (281) 274-7050 Click here for website.     Additional information can be found in our online brochure. Click here to view.     At GEC SW our philosophy is all about "Teamwork". We want your experience with us to be both positive and professional. Our office staff is friendly and efficient, always working together to make you, our patient, feel comfortable and confident in our care.