Directory of Physicians (MD/DO)
- 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
- William Arnett, MD
- William Arnett, MD
- William Arnold, MD
- William Arnold, MD
- William Arnold, MD
- William Arnold, MD
- William Arnold, MD
- William Arnold, MD
- William Arnold, MD
- William Arnold, MD
- William Aronson, MD
- William Aronson, MD
- William Aronstein, MD
- William Arroyo, MD
- William Arroyo, MD
- William Arterberry, MD
- William Artherholt, MD
- William Artrip, MD
- William Arvan, MD