Directory of Physicians (MD/DO)
- John Karwowski, MD
- John Kelly, MD
- John Kenzora, MD
- John Kessler, MD
- John Kiely, MD
- John Kim, MD
- John Kim, MD
- John Konikkara, MD
- John Kressler, MD
- John Lanunziata, MD
- John Laschinger, MD
- John Laterra, MD
- John Latorre, MD
- John LeDonne, MD
- John Lee, MD
- John Lion, MD
- John Lipsey, MD
- John Loftus, MD
- John Logan, MD
- John Loh, MD
- John Mann, MD
- John Marlon Lintan, MD
- John Marra, MD
- John McDonald, MD
- John McEvoy, MD
- John Meyerhoff, MD
- John Migaly, MD
- John Miller, MD
- John Miller, MD
- John Morkos, MD
- John Morkos, MD
- John Naiman, MD
- John Nesbitt, MD
- John Odonnell, MD
- John Odonovan, MD
- John Pallan, MD
- John Papadimitriou, MD
- John Papanikos, MD
- John Parkerson, MD
- John-Paul Rue, MD
- John Payne, MD
- John Petronis, MD
- John Pollack, MD
- John Probasco, MD
- John Rabine, MD
- John Ratchford, MD
- John Read, MD
- John Redmond, MD
- John Renneburg, MD
- John Rickard, MD