Directory of Physicians (MD/DO)
- John Garred, MD
- John Gause, MD
- John Geibel, MD
- John Gens, MD
- John George, MD
- John German, MD
- John Gibbs, MD
- John Gibbs, MD
- John Giedraitis, MD
- John Gigioli, MD
- John Girardot, MD
- John Glascock, MD
- John Glasgow, MD
- John Glenn, MD
- John Gleysteen, MD
- John Gonzaba, MD
- John Gonzalvo, MD
- John Goodgame, MD
- John Goodworth, MD
- John Gorechlad, MD
- John Goss, MD
- John Gostigian, MD
- John Goulart, MD
- John Goza, MD
- John Granger, MD
- John Grant, MD
- John Gray, MD
- John Graybill, MD
- John Greager, MD
- John Green, MD
- John Green, MD
- John Gregg, MD
- John Gregory, MD
- John Griepentrog, MD
- John Griffin, MD
- John Griffin, MD
- John Grippi, MD
- John Griswold, MD
- John Ground, MD
- John Groves, MD
- John Guarino, MD
- John Guglielmetti, MD
- John Gusz, MD
- John Gwin, MD
- John Haeberlin, MD
- John Hagy, MD
- John Hahn, MD
- John Hall, MD
- John Haller, MD
- John Hallmark, MD