Directory of Physicians (MD/DO)
- John Grunden, MD
- John Haber, MD
- John Haddad, MD
- John Hagen, MD
- John Hai Dang Giang, MD
- John Halphen, MD
- John Halphen, MD
- John Hancock, MD
- John Harrell, MD
- John Harvin, MD
- John Hershberger, MD
- John Higgins, MD
- John Hoffmann, MD
- John Hollier, MD
- John Howard, MD
- John Hsieh, MD
- John Hughes, MD
- John Hume, MD
- John Ike, MD
- John Irwin, MD
- John Isaac, MD
- John Joe, MD
- John Johnson, MD
- John Jones, MD
- John Jones, MD
- John Kavanaugh, MD
- John Kelly, MD
- John Kelly, MD
- John Kiehl, MD
- John Koshy, MD
- John Lacson, MD
- John Lane, MD
- John Laneri, Jr, MD
- John Lauzon, MD
- John Lee, MD
- John Leondike, MD
- John Levins, MD
- John Lewis, MD
- John Lim, MD
- John Lin, MD
- John Lincoln, MD
- John Lindsey, MD
- John Liu, MD
- John Livesay, MD
- John Livingston, MD
- John Lloyd, MD
- John Loh, MD
- John Lomonaco, MD
- John Long, MD
- John Longwell, MD