| Business | Phone |
| Advanced Dermatology & Laser 199 E Webster St, Colusa 95932 | (530) 458-4601 |
| Colusa Indian Health Clinic 3710 Highway 45 # A, Colusa 95932 | (530) 458-5501 |
| Andrew Larsen Md 348 Market St, Colusa 95932 | (530) 458-5565 |
| Lawrence M Highman Inc 199 E Webster St, Colusa 95932 | (530) 458-7728 |
| North Valley Family Physicians 2967 Davison Ct # A, Colusa 95932 | (530) 458-8050 |
| U C Davis Medical Group 124 E Webster St, Colusa 95932 | (530) 458-4250 |
| Valley Emergency Physicians 199 Ew Webster St, Colusa 95932 | (530) 458-5821 |