Directory of Physicians (MD/DO)
- Johannes Koch, MD
- Johannes Martensson, MD
- John Abdulian, MD
- John Abramson, MD
- John Ackert, MD
- John Affronti, MD
- John Ahn, MD
- John Aita, MD
- John Allen, MD
- John Allen, MD
- John Altomare, MD
- John Alvarez, MD
- John Arledge, MD
- John Avanzato, MD
- John Averette, MD
- John Baber, MD
- John Baier, MD
- John Baillie, MD
- John Balacki, MD
- John Barbagiovanni, MD
- John Barker, MD
- John Beckman, MD
- John Bedeau, MD
- John Benson, MD
- John Betteridge, MD
- John Bettinger, MD
- John Bienvenu, MD
- John Billesdon, MD
- John Birk, MD
- John Blackett, MD
- John Bloch, MD
- John Bloom, MD
- John Bloor, MD
- John Bobo, MD
- John Boger, MD
- John Bohler, MD
- John Boniface, MD
- John Bosco, MD
- John Boyd, MD
- John Bozdech, MD
- John Brandabur, MD
- John Brandenburg, MD
- John Brandt, MD
- John Brooling, MD
- John Brown, MD
- John Buhac, MD
- John Burdon, MD
- John Burney, MD
- John Burns, MD
- John Campbell, MD