Directory of Physicians (MD/DO)
- John Hazenfield, MD
- John Helmick, MD
- John Henning, MD
- John Hergenrother, MD
- John Herold, MD
- John Houk, MD
- John Houk, MD
- John Howard, MD
- John Hughes, MD
- John Hutson, MD
- John Jewell, MD
- John Kachoris, MD
- John Kennedy, MD
- John Kerbo, MD
- John Koch, MD
- John Leibold, MD
- John Leibold, MD
- John Leisgang, MD
- John Linz, MD
- John Loughrey, MD
- John Luebering, MD
- John Lutz, MD
- John Markovich, MD
- John Mashny, MD
- John Masino, MD
- John McAuliffe, MD
- John McCall, MD
- John McGovern, MD
- John Morehous, MD
- John Morris, MD
- John Morrison, MD
- John Nurre, MD
- John O'Connor, MD
- John Offenberger, MD
- John Pascoe, MD
- John Paul, MD
- John Pennington, MD
- John Perentesis, MD
- John Piersma, MD
- John Proctor, MD
- John Quinlan, MD
- John Racadio, MD
- John Raterman, MD
- John Reuter, MD
- John Roberts, MD
- John Robinson, MD
- John Robinson, MD
- John Roebel, MD
- John Rose, MD
- John Runyon, MD