| 4211 | O2 KLINIK (PUCHONG) | 25-G, JALAN MERBAH 3 BANDAR PUCHONG JAYA | 47170 | Puchong | Selangor | +603-80809955 | No | |
| 4212 | OHANA MEDICLINIC | BLOCK 4805-0-1 , JALAN PERDANA CDB PERDANA 2, | 63000 | Cyberjaya | Selangor | +603-83221525 | No | |
| 4213 | OLUMIS CLINIC | LOT NO 2 GROUND FLOOR 3 KIABURI PLAZA | 89308 | Ranau | Sabah | +601-68315954 | No | |
| 4214 | OLUMIS CLINIC | GROUND FLOOR LOT NO.3 KEDAI SEDCO FASA 2 TONGOD | 89320 | Ranau | Sabah | +6013-8685954 | No | |
| 4215 | OLUMIS CLINIC | GROUND FLOOR, LOT 12 BANDAR TELUPID JAYA, PEKAN TELUPID BARU 89300 TELUPID SABAH | 89300 | Ranau | Sabah | +608-9520558 | No | |
| 4216 | OMEGA CLINIC | 31 (Ground Floor) Jalan Permas 10/1 Bandar Baru Permas Jaya | 81750 | Masai | Johor | +6011-28328312 | No | |
| 4217 | ONE CARE CLINIC | NO 25 (TINGKAT BAWAH),JALAN SERI BETIK TAMAN SERI BETIK | 14000 | Bukit Mertajam | Penang | +604-5089989 | No | |
| 4218 | ONE HEALTH CLINIC DIAWAN | PT 4552, GROUND FLOOR JALAN HARUAN, MAMBANG DIAWAN | 31950 | Kampar | Perak | +605-4670098 | No | |
| 4219 | ONEHEART CLINICS | NO VA-G-07 VBIZ ,JALAN SETIA MURNI U13/51 SEKSYEN U13 SETIA ALAM | 40170 | Shah Alam | Selangor | +603-30045719 | No | |
| 4220 | ONEHEART CLINICS KLINIK PUTERI | NO.3 , JLAAN SEROJA 1/1, TAMAN SEROJA JALAN ABDUL JABBAR | 84150 | Parit Jawa | Johor | +606-9874138 | No | |