Directory of Physicians (MD/DO)
- John Klutke, MD
- John Koo, MD
- John Kowalczyk, MD
- John Lam, MD
- John Lam, MD
- John Lawrence, MD
- John Le, MD
- John Le, MD
- John Lee, MD
- John Lee, MD
- John Lee, MD
- John Lee, MD
- John Lee, MD
- John Lee, MD
- John Lee, MD
- John Legall, MD
- John Ley, MD
- John Lim, MD
- John Lin, MD
- John Lin, MD
- John Lipham, MD
- John Liu, MD
- John Liu, MD
- John Livingstone, MD
- John Lloyd, MD
- John Lorant, MD
- John Lunn, MD
- John Luttrell, MD
- John Mackey, MD
- John Mafi, MD
- John Marcum, MD
- John Martin, MD
- John Mason, MD
- John Mattison, MD
- John Mazziotta, MD
- John Miller, MD
- John Min, MD
- John Moe, MD
- John Montgomerie, MD
- John Moos, MD
- John Moriarty, MD
- John Mull, MD
- John Nastro, MD
- John Nguyen, MD
- John Nguyen, MD
- John Nork, MD
- John Norton, MD
- John O'Dea, MD
- John Oghalai, MD
- John Olsen, MD