| Business | Phone |
| Barnard Family Health Ctr 425 Holderrieth Blvd, Tomball 77375 | (979) 921-0195 |
| Pediatric & Adolescent Ctr 455 School St 21, Tomball 77375 | (281) 357-5678 |
| Texas Wound & Lymphedema Ctr 605 Holderrieth Blvd, Tomball 77375 | (281) 401-7943 |
| Tomball Dialysis 27720 Tomball Pkwy A, Tomball 77375 | (281) 351-6802 |
| Tomball Open Mri & Dgnstc Ctr 444 Holderrieth Blvd 1, Tomball 77375 | (281) 357-1911 |
| Walk-In Clinic Inc 28155 State Highway 249, Tomball 77375 | (281) 516-7225 |
| Tomagua Medical Clinic 13414 Medical Complex Dr 1, Tomball 77375 | (281) 357-0747 |
| Total Renal Care Inc 27720 State Highway 249 A, Tomball 77375 | (281) 255-3696 |