Directory of Physicians (MD/DO)
- John Galat, MD
- John Garrett, MD
- John Glenn, MD
- John Goncalves, MD
- John Gott, MD
- John Gott, MD
- John Gouldman, MD
- John Grehan, MD
- John Grieco, MD
- John Hammon, MD
- John Handy, MD
- John Haney, MD
- John Harlan, MD
- John Hastings, MD
- John Heim, MD
- John Heiser, MD
- John Hengesh, MD
- John Hilu, MD
- John Holt, MD
- John Holt, MD
- John Howington, MD
- John Iguidbashian, MD
- John Ikonomidis, MD
- John Jacob, MD
- John Jay, MD
- John Johnkoski, MD
- John Jones, MD
- John Just, MD
- John Kabas, MD
- John Karamichalis, MD
- John Keech, MD
- John Kelemen, MD
- John Kelley, MD
- John Kelly, MD
- John Kennedy, MD
- John Kern, MD
- John Kirchmer, MD
- John Klemperer, MD
- John Krahnert, MD
- John Kratz, MD
- John Kuckelman, MD
- John Kuhn, MD
- John Kupferschmid, MD
- John Lamberti, MD
- John Langenfeld, MD
- John Laschinger, MD
- John Lazar, MD
- John Lemmer, MD
- John Liddicoat, MD
- John Lin, MD