| Business | Phone |
| All Healthcare Management 21825 Nordhoff St, Chatsworth 91311 | (818) 998-5011 |
| Doctor Relations Inc 21006 Devonshire St, Chatsworth 91311 | (818) 727-2280 |
| G R Medical Management 9301 Oakdale Ave, Chatsworth 91311 | (818) 700-1250 |
| Heritage'N Hope 10732 1/2 Independence Ave, Chatsworth 91311 | (818) 349-1574 |