| 4141 | ONE CARE CLINIC | NO 25 (TINGKAT BAWAH),JALAN SERI BETIK TAMAN SERI BETIK | 14000 | Bukit Mertajam | Penang | +604-5089989 | No | |
| 4142 | ONE HEALTH CLINIC DIAWAN | PT 4552, GROUND FLOOR JALAN HARUAN, MAMBANG DIAWAN | 31950 | Kampar | Perak | +605-4670098 | No | |
| 4143 | ONEHEART CLINICS | NO VA-G-07 VBIZ ,JALAN SETIA MURNI U13/51 SEKSYEN U13 SETIA ALAM | 40170 | Shah Alam | Selangor | +603-30045719 | No | |
| 4144 | ONEHEART CLINICS KLINIK PUTERI | NO.3 , JLAAN SEROJA 1/1, TAMAN SEROJA JALAN ABDUL JABBAR | 84150 | Parit Jawa | Johor | +606-9874138 | No | |
| 4145 | ONEHEART CLINICS POLIKLINIK MD TOP | NO 74,JALAN 2 MEDAN KAMUNTING JAYA | 34600 | Kamunting | Perak | +605-8915284 | No | |
| 4146 | One Med Clinic | 2400 (TINGKAT BAWAH), JLN KG BARU | 14000 | Bukit Mertajam | Penang | +601-07022848 | No | |
| 4147 | ONYX HEALTHCARE CLINIC SDN. BHD. | Lot 3, Ground Floor, Silvergate Plaza, Jalan Taipakkung, | 88200 | Kota Kinabalu | Sabah | +608-8416393 | No | |
| 4148 | ORCHID FAMILY POLYCLINIC | 50 Jalan Serampang Taman Pelangi | 80400 | Johor Bahru | Johor | +607-3316688 | No | |
| 4149 | ORIENTAL CLINIC | NO 42, GROUND FLOOR JALAN KAMARUDDIN | 44000 | Kuala Kubu Baru | Selangor | +6013-2688263 | No | |
| 4150 | Orion Clinic | Orion Clinic, A-01-03, Tamarind Square | 63000 | Cyberjaya | Selangor | +603-88008934 | No | |