| Name | College | Chapter | Registered Specialty | |
|---|---|---|---|---|
| Lum Hon Wai Lionel | College of Physicians | Chapter of Infectious Disease Physicians | Infectious Diseases | |
| Lum Wei Ming Vincent | College of Emergency Physicians | Emergency Medicine | ||
| John SP Lumley | ||||
| Lun Wanxian Katherine | College of Ophthalmologists | Ophthalmology | ||
| Lwin Aung | College of Surgeons | Chapter of General Surgeons | General Surgery | |
| Lye Chien Boon, David | College of Physicians | Chapter of Infectious Disease Physicians, College of Clinician Educators | Infectious Diseases | |
| Lye Kok Weng | College of Dental Surgeons | Chapter of Oral & Maxillofacial Surgeons, Chapter of Sleep Medicine Physicians | Oral & Maxillofacial Surgery | |
| Lye Poh Wah Clement | College of Dental Surgeons | Chapter of Oral & Maxillofacial Surgeons | Oral & Maxillofacial Surgery | |
| Lye Wai Choong | College of Physicians | Chapter of Renal Physicians | Renal Medicine | |
| Lye Thim Loke | College of Dental Surgeons | Chapter of Orthodontists | Orthodontics | |
| Lyen Kenneth Reginald | College of Paediatrics and Child Health | Paediatric Medicine | ||
| M Yogendra Praveen | College of Radiologists | Chapter of Diagnostic Radiologists | Diagnostic Radiology | |
| Ma Margaret Har Yin | College of Physicians | Chapter of Rheumatologists | Rheumatology | |
| Ma Seow Jing | College of Anaesthesiologists | Anaesthesiology | ||
| Ma Kwong Hon, Raymond | ||||
| Ma Li | College of Obstetricians and Gynaecologists | Obstetrics & Gynaecology | ||
| Mack On Pui, Peter | College of Surgeons | Chapter of General Surgeons | General Surgery | |
| Colin Mackay | ||||
| Norman Mackay | ||||
| Madhukumar Preetha | College of Surgeons | Chapter of General Surgeons | General Surgery | |
| Mah Puay Khai, Evelyn | College of Physicians | Chapter of General Physicians | Internal Medicine | |
| Mah Kuan Seet Michael | College of Dental Surgeons | Chapter of Orthodontists | Orthodontics | |
| Mah Guan Kong | College of Physicians | Chapter of General Physicians | Internal Medicine | |
| Mahadevan Malcolm Ravindran | College of Emergency Physicians | Emergency Medicine | ||
| Mahendran Rathi | College of Psychiatrists | Psychiatry |