- A. David Bernanke, MD
- A J Vinaya Simha, MD
- A Laurence Kennedy, MD
- A. K. Mathew, MD
- A. Wayne Meikle, MD
- Aaron Barak Neinstein, MD
- Aaron Benjamin, MD
- Aaron Benjamin Nelson, MD
- Aaron Bussey, MD
- Aaron Martin Cypess, MD
- Aaron Michels, MD
- Aaron Noah Rockoff, MD
- Aaron Ross Chidakel, MD
- Aaron Schulman, MD
- Aarthi Arasu, MD
- Aarti Manchanda, MD
- Aashish Gopaldas Samat, MD
- Aashish A Shah, MD
- Aastha Pal, MD
- Abay Tassew Taddesse, MD
- Abbas Motazedi, MD
- Abby Grisham
- Abby B. Landzberg, MD
- Abby Tubman Abisogun, MD
- Abdallah Altarshan, MD
- Abdallah Dlewati, MD
- Abdelle Ferdinand Cheres, MD
- Abdul Al-Kassab, MD
- Abdul-Badi Abou-Samra, MD
- Abdul Cader Asmal, MD
- Abdul Ghani, MD
- Abdul Mannan Khan, MD
- Abdul M. Mirza, MD
- Abdul-Razzak Alamir, MD
- Abdullah Hanna-Moussa, MD
- Abdullah Mallisho, MD
- Abdulqawi Ahmed Ali Almansari, MD
- Abdulrahman Albustamy, MD
- Abel Alfonso, DO
- Abhay K Suda, MD
- Abhishek Haresh Kansara, MD
- Abid Yaqub, MD
- Abosede Olatoyosi Adeoshun, MD
- Abraham Thomas, MD
- Absalon Gutierrez, MD
- Achal Garbharran, MD
- Achilles Theodore Paparsenos, MD
- Ada Ping Lee, MD