| Business | Phone |
| Central Valley Lab 31 W Alexander Ave, Merced 95348 | (209) 726-3846 |
| Unilab Corp 727 W Childs Ave, Merced 95340 | (209) 725-0658 |
| Healthcare Clinical Labs 2517 Canal St # B, Merced 95340 | (209) 725-7763 |
| Healthcare Clinical Labs 374 W Olive Ave # A, Merced 95348 | (209) 383-2942 |
| Unilab Corp 650 W Olive Ave, Merced 95348 | (209) 722-9150 |
| Westcliff Medical Labs 1170 W Olive Ave, Merced 95348 | (209) 381-7080 |