| 4121 | OLUMIS CLINIC | LOT NO 2 GROUND FLOOR 3 KIABURI PLAZA | 89308 | Ranau | Sabah | +601-68315954 | No | |
| 4122 | OLUMIS CLINIC | GROUND FLOOR LOT NO.3 KEDAI SEDCO FASA 2 TONGOD | 89320 | Ranau | Sabah | +6013-8685954 | No | |
| 4123 | OLUMIS CLINIC | GROUND FLOOR, LOT 12 BANDAR TELUPID JAYA, PEKAN TELUPID BARU 89300 TELUPID SABAH | 89300 | Ranau | Sabah | +608-9520558 | No | |
| 4124 | OMEGA CLINIC | 31 (Ground Floor) Jalan Permas 10/1 Bandar Baru Permas Jaya | 81750 | Masai | Johor | +6011-28328312 | No | |
| 4125 | ONE CARE CLINIC | NO 25 (TINGKAT BAWAH),JALAN SERI BETIK TAMAN SERI BETIK | 14000 | Bukit Mertajam | Penang | +604-5089989 | No | |
| 4126 | ONE HEALTH CLINIC DIAWAN | PT 4552, GROUND FLOOR JALAN HARUAN, MAMBANG DIAWAN | 31950 | Kampar | Perak | +605-4670098 | No | |
| 4127 | ONEHEART CLINICS KLINIK PUTERI | NO.3 , JLAAN SEROJA 1/1, TAMAN SEROJA JALAN ABDUL JABBAR | 84150 | Parit Jawa | Johor | +606-9874138 | No | |
| 4128 | One Med Clinic | 2400 (TINGKAT BAWAH), JLN KG BARU | 14000 | Bukit Mertajam | Penang | +601-07022848 | No | |
| 4129 | ONYX HEALTHCARE CLINIC SDN. BHD. | Lot 3, Ground Floor, Silvergate Plaza, Jalan Taipakkung, | 88200 | Kota Kinabalu | Sabah | +608-8416393 | No | |
| 4130 | ORCHID FAMILY POLYCLINIC | 50 Jalan Serampang Taman Pelangi | 80400 | Johor Bahru | Johor | +607-3316688 | No | |