Directory of Physicians (MD/DO)
- John Griffin, MD
- John Hamel, MD
- John Hamm, MD
- John Harlan, MD
- John Hawes, MD
- John Hemmen, MD
- John Hess, MD
- John Holmes, MD
- John Horton, MD
- John Howe, MD
- John Hsiang, MD
- John Hutchinson, MD
- John Jacob Wampach, MD
- John Kang, MD
- John Kaschko, MD
- John Kern, MD
- John Kirkpatrick, MD
- John Kobayashi, MD
- John Krieger, MD
- John Kuratani, MD
- John Lacambra, MD
- John Lacy, MD
- John Lang, MD
- John Lecky, MD
- John Lenihan, MD
- John Lewis, MD
- John Liao, MD
- John Lockhart, MD
- John Lynch, MD
- John McGuire, MD
- John Mclaughlin, MD
- John Meehan, MD
- John Merritt, MD
- John Mignone, MD
- John Miyano, MD
- John Moen, MD
- John Morgan, MD
- John Morris, MD
- John Morrison, MD
- John Mulcaire-Jones, MD
- John Mullen, MD
- John Murray, MD
- John Naylor, MD
- John Neumaier, MD
- John Nguyen, MD
- John O'Brien, MD
- John O'Kane, MD
- John Oakley, MD
- John Olerud, MD
- John Olson, MD