Directory of Physicians (MD/DO)
- John Helmken, MD
- John Henderson, MD
- John Henriquez, MD
- John-Henry Lambin, MD
- John Hesling, MD
- John Hetzel, MD
- John Hickernell, MD
- John Hobbs, MD
- John Holbert, MD
- John Hordines, MD
- John Houser, MD
- John Howard, MD
- John Howell, MD
- John Hoyle, MD
- John Hufnagle, MD
- John Hulse, MD
- John Hunsicker, MD
- John Hunt, MD
- John Hunton, MD
- John Hurt, MD
- John Ibekwe, MD
- John Ingram, MD
- John Issa, MD
- John (Jack) McNulty, MD
- John Jacobs, MD
- John Jayman, MD
- john kambouris, MD
- John Kangarlu, MD
- John Kangarlu, MD
- John Karalis, MD
- John Kaschke, MD
- John Kelly, MD
- John Kelsh, MD
- John Kennedy, MD
- John Kennedy, MD
- John Keno Rivera, MD
- John Kerley, MD
- John Khor, MD
- John Killion, MD
- John Kimball, MD
- John Kirkland, MD
- John Knoth, MD
- John Ko, MD
- John Koenig, MD
- John Krapf, MD
- John Kunzeman, MD
- John LaForge, MD
- John Lane, MD
- John Lasky, MD
- John Lawson, MD