| Membership Register - details | |
| Name | ONG TZE ZEN |
| College | Physicians |
| Place of Practice / | KPJ KAJANG SPECIALIST HOSPITAL |
| Address | JALAN CHERAS |
| - | |
| Town / City | KAJANG |
| State | SELANGOR |
| Country | MALAYSIA |
| Fax | 03 8769 2891 |
| Degree | MBBS (Mal) 1994 |
| Post graduate | MRCP (UK) 2000 |
| M Med (UKM) 2001 | |