Directory of Physicians (MD/DO)
- John Leondike, MD
- John Levins, MD
- John Lewis, MD
- John Lim, MD
- John Lin, MD
- John Lincoln, MD
- John Lindsey, MD
- John Liu, MD
- John Livesay, MD
- John Livingston, MD
- John Lloyd, MD
- John Loh, MD
- John Lomonaco, MD
- John Long, MD
- John Longwell, MD
- John Ma, MD
- John Madewell, MD
- John Mahmarian, MD
- John Mahmarian, MD
- John Manning, MD
- John Marcellus, MD
- John Marshall, MD
- John Mathias, MD
- John Matocha, MD
- John Mccarthy, MD
- John McDermott, MD
- John Micheletti, MD
- John Miller, MD
- John Miller, MD
- John Mohney, MD
- John Moorhead, MD
- John Moragne, MD
- John Moran, MD
- John Morrison, MD
- John Munz, MD
- John Nemecek, MD
- John Nguyen, MD
- John Nguyen, MD
- John Nguyen, MD
- John Niscavits, MD
- John Norris, MD
- John Nottingham, MD
- John Ott, MD
- John Pagani, MD
- John Pang, MD
- John Papadopoulos, MD
- John Pappadas, MD
- John Park, MD
- John Patterson, MD
- John Patton, MD