Directory of Physicians (MD/DO)
- William Ankobiah, MD
- William Annable, MD
- William Annan, MD
- William Annear, MD
- William Anninger, MD
- William Anspach, MD
- William Ante, MD
- William Anthes, MD
- William Anthony Charini, MD
- William Anthony, MD
- William Anthony, MD
- William Anthony, MD
- William Antognoli, MD
- William Antonucci, MD
- William Anyaegbunam, MD
- William Apollo, MD
- William Appelbaum, MD
- William Appiah, MD
- William Applegarth, MD
- William Applegate, MD
- William Applegate, MD
- William Apterbach, MD
- William Aragon, MD
- William Arata, MD
- William Arata, MD
- William Arban, MD
- William Arce Montoya, MD
- William Archer, MD
- William Archibald, MD
- William Archie, MD
- William Ardary, MD
- William Ardill, MD
- William Ardrey, MD
- William Ares, MD
- William Argus, MD
- William Armentrout, MD
- William Armiger, MD
- William Armington, MD
- William Armour, MD
- William Armstrong, MD
- William Armstrong, MD
- William Armstrong, MD
- William Armstrong, MD
- William Armstrong, MD
- William Armstrong, MD
- William Armstrong, MD
- William Armstrong, MD
- William Armstrong, MD
- William Armstrong, MD
- William Arndt, MD