| Business | Phone |
| Consolidated Medical Lab 5451 La Palma Ave # 11, La Palma 90623 | (714) 994-4973 |
| La Palma Mri 7901 1/2 Walker St, La Palma 90623 | (714) 521-3350 |
| Quest Diagnostics Inc 7872 Walker St # 100, La Palma 90623 | (714) 994-2192 |
| Unilab Corp 5451 La Palma Ave # 18, La Palma 90623 | (714) 523-5298 |