| Business | Phone |
| Diamond Bar Dermatology Clinic 1111 Grand Ave # K, Diamond Bar 91765 | (909) 860-4254 |
| Prenatal Peek 510 N Diamond Bar Blvd, Diamond Bar 91765 | (909) 861-4890 |
| Prn Medical 20955 Pathfinder Rd, Diamond Bar 91765 | (909) 843-6535 |
| Magan Medical Clinic Inc 750 N Diamond Bar Blvd # 100, Diamond Bar 91765 | (909) 861-2675 |