| Bay Area Gastroenterology: Alvin | 400 Medic Lane, Suite F | Alvin | TX | 77511 | source |
| Corpus Christi Rheumatology Clinic | 613 Elizabeth Street, Suite 704 | Corpus Christi | TX | 78404 | source |
| Digestive Health Associates | 929 Gessner Road, Suite 1360 | Houston | TX | 77024 | source |
| Gastroenterology Consultants: Ellington | 444 Farm to Market Road 1959, Suite A | Houston | TX | 77034 | source |
| Gastroenterology Consultants: Memorial Hermann Southeast Hospital | 11800 Astoria Boulevard | Houston | TX | 77089 | source |
| Digestive Health Associates: Katy | 21814 Katy Freeway, Suite 210 | Katy | TX | 77449 | source |
| Gastroenterology Consultants: League City | 2555 Gulf Freeway South, Suite 500 | League City | TX | 77573 | source |
| Lubbock Digestive Disease Associates: Levelland | 116 John Dupree Drive | Levelland | TX | 79336 | source |
| Lubbock Digestive Disease Associates: Lubbock | 3610 24th Street | Lubbock | TX | 79410 | source |
| GI Alliance: Mansfield Endoscopy Center – N. Miller Rd | 817-760-7969, . GI Alliance: Mansfield Endoscopy Center – N. Miller Rd 647 North Miller Road Suite 100 | Mansfield | TX | 76063 | source |
| GI Alliance: Mansfield, TX | 817-760-7969, . GI Alliance: Mansfield, TX 647 North Miller Road Suite 200 | Mansfield | TX | 76063 | source |
| Gastroenterology Consultants: St. John | 2060 Space Park Drive, Suite 306 | Nassau Bay | TX | 77058 | source |
| Gastroenterology Consultants: HCA Houston Healthcare Southeast Hospital | 4000 Spencer Highway | Pasadena | TX | 77504 | source |
| Gastroenterology Consultants: Pasadena | 4211 Fairmont Parkway | Pasadena | TX | 77504 | source |
| Gastroenterology Consultants: Pearland | 10905 Memorial Hermann Drive, Suite 120 | Pearland | TX | 77584 | source |
| San Antonio Gastroenterology Associates: San Antonio -Stone Oak – Sonterra | 150 East Sonterra Boulevard, Suite 100 | San Antonio | TX | 78258 | source |
| San Antonio Gastroenterology Associates: San Antonio – Babcock 100 | 2833 Babcock Road, Suite 100 | San Antonio | TX | 78229 | source |
| San Antonio Gastroenterology Associates: San Antonio – Barlite Blvd | 7333 Barlite Boulevard, Suite 320 | San Antonio | TX | 78224 | source |
| San Antonio Gastroenterology Associates: San Antonio – Euclid Ave | 520 East Euclid Avenue | San Antonio | TX | 78212 | source |
| San Antonio Gastroenterology Associates: San Antonio – Medical Center | 2833 Babcock Road, Suite 120 | San Antonio | TX | 78229 | source |
| San Antonio Gastroenterology Associates: San Antonio – State Highway | 11212 State Highway 151, Suite 115 | San Antonio | TX | 78251 | source |
| San Antonio Gastroenterology Associates: San Antonio – Stone Oak | 150 East Sonterra Boulevard, Suite 110 | San Antonio | TX | 78258 | source |
| GI Alliance: Sherman Endoscopy Center | 1615 North Highway 75, Suite A | Sherman | TX | 75090 | source |
| Center for Colorectal & Pelvic Health – Southlake | 505 South Nolen Drive, Suite B | Southlake | TX | 76092 | source |
| GI Alliance Waco Endoscopy Center | 2510 Ambassador Drive, Suite A | Waco | TX | 76712 | source |
| GI Alliance Waco Gastroenterology Clinic | 2510 Ambassador Drive, Suite B | Waco | TX | 76712 | source |
| Gastroenterology Consultants: Kindred Hospital Clear Lake | 350 Blossom Street | Webster | TX | 77598 | source |