Directory of Physicians (MD/DO)
- John Nugent, MD
- John Nutt, MD
- John O'Bannon, MD
- John O'Connell, MD
- John O'Connell, MD
- John O'Keefe, MD
- John Oakley, MD
- John Oas, MD
- John Oconnor, MD
- John Olichney, MD
- John Paddock, MD
- John Palmieri, MD
- John Panagotacos, MD
- John Parker, MD
- John Paul Mikhaiel, MD
- John Peters, MD
- John Pettinato, MD
- John Pham, MD
- John Picard, MD
- John Pidgeon, MD
- John Piecyk, MD
- John Pierpont, MD
- John Pilch, MD
- John Plyler, MD
- John Pollard, MD
- John Pomeroy, MD
- John Porter, MD
- John Porter, MD
- John Pounders, MD
- John Probasco, MD
- John Puente, MD
- John Pula, MD
- John Quinlan, MD
- John Ratchford, MD
- John Ravits, MD
- John Rescigno, MD
- John Rhee, MD
- John Rice, MD
- John Richert, MD
- John Richert, MD
- John Riedinger, MD
- John Riedler, MD
- John Ringman, MD
- John Rinker, MD
- John Riser, MD
- John Robert Wilson, MD
- John Roberts, MD
- John Robinson, MD
- John Robinton, MD
- John Romine, MD