Directory of Physicians (MD/DO)
- John Nicholas Shumate, MD
- John Niles, MD
- John O'Brien, MD
- John O'Dea, MD
- John O'Malley, MD
- John O'neill, MD
- John O'Connor, MD
- John Ohara, MD
- John Ohman, MD
- John Ostrominski, MD
- John Palfrey, MD
- John Pan, MD
- John Park, MD
- John Parker, MD
- John Parrish, MD
- John-Patrick Becerril, MD
- John Pawlowski, MD
- John Petrozza, MD
- John Potts, MD
- John Pruitt, MD
- John Purcell, MD
- John Rafael, MD
- John Renner, MD
- John Rhee, MD
- John Roberts, MD
- John Rolston, MD
- John-Ross Clarke, MD
- John Ross, MD
- John Santilli, MD
- John Scaringi, MD
- John Scaringi, MD
- John Schell, MD
- John Schneider, MD
- John Schott, MD
- John Schulz, MD
- John Schwartz, MD
- John Scott, MD
- John Siliski, MD
- John Sims, MD
- John Sloan, MD
- John Sloan, MD
- John Snow, MD
- John Staropoli, MD
- John Stenglein, MD
- John Stone, MD
- John Stone, MD
- John Tannyhill, MD
- John Taylor, MD
- John Tedrow, MD
- John Torous, MD