Directory of Physicians (MD/DO)
- William Lancaster, MD
- William Lancaster, MD
- William Land, MD
- William Landis, MD
- William Landre, MD
- William Lang, MD
- William Lang, MD
- William Langmade, MD
- William Lashomb, MD
- William Latreille, MD
- William Laury, MD
- William Lavercombe, MD
- William Lawing, MD
- William Laws, MD
- William Leavitt, MD
- William Lee, MD
- William Lee, MD
- William Lee, MD
- William Lee, MD
- William Leeds, MD
- William Leggett, MD
- William Leisner, MD
- William Lent, MD
- William Leong, MD
- William Lester, MD
- William Levin, MD
- William Levin, MD
- William Levine, MD
- William Levine, MD
- William Lewis, MD
- William Lewis, MD
- William Lewis, MD
- William Lewis, MD
- William Li, MD
- William Li, MD
- william li, MD
- William Liaw, MD
- William Light, MD
- William Light, MD
- William Lim, MD
- William Lindsey, MD
- William Lippert, MD
- William Listwan, MD
- William Lizarraga, MD
- William Lockett, MD
- William Loesch, MD
- William Lofton, MD
- William Logan Gladney, MD
- William Logan, MD
- William Loome, MD