Directory of Physicians (MD/DO)
- John Keeley, MD
- John Kehoe, MD
- John Kellum, MD
- John Kelly, MD
- John Kelly, MD
- John Kelly, MD
- John Kelly, MD
- John Kendrick, MD
- John Kennedy, MD
- John Kennedy, MD
- John Kent, MD
- John Kepros, MD
- John Kerr, MD
- John Ketner, MD
- John Kettelle, MD
- John Keyes, MD
- John Keyloun, MD
- John Kilkenny, MD
- John Killian, MD
- John Kiluk, MD
- John Kim, MD
- John Kinard, MD
- John King, MD
- John King, MD
- John Kinney, MD
- John Kirby, MD
- John Kisala, MD
- John Kizer, MD
- John Klein, MD
- John Klune, MD
- John Koch, MD
- John Kogoy, MD
- John Konsek, MD
- John Koppman, MD
- John Korba, MD
- John Koziarski, MD
- John Kramer, MD
- John Kressler, MD
- John Kroener, MD
- John Kubasiak, MD
- John Kukora, MD
- John Kunstman, MD
- John Kustrup, MD
- John L. Crawford, MD
- John Lacy, MD
- John Laduca, MD
- John Lamattina, MD
- John Lambert, MD
- John Lampe, MD
- John Land, MD