| Business | Phone |
| Arrhythmia Research & Crdlgy Hermosa Beach 90254 | (310) 798-9899 |
| Dr Boltz 2699 Pac Cst Hwy, Hermosa Beach 90254 | (310) 318-3519 |
| Helen Mc Donald Md 2200 Pacific Coast Hwy, Hermosa Beach 90254 | (310) 318-9091 |
| Southwest Medical Group 936 Hermosa Ave, Hermosa Beach 90254 | (310) 372-2291 |