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- Oncology (Medical) - 7
- Oncology (Radiation) - 5
- Ophthalmology (Eye surgery for cataracts & eye diseases) - 2
- Orthopedic Surgery - 4
- Orthopedic Surgery - Hand, Foot & Ankle - 1
- Orthopedic Surgery - Hip & Knee - 1
- Orthopedic Surgery - Shoulder & Elbow - 3
- Orthopedic Surgery - Spine/Bone - 2
- Orthopedic Surgery - Tumour/Bone/Oncologic - 1