177 Medicare-enrolled doctors in 22 specialties practice in O Fallon. Choose a specialty to see each doctor's practice, phone number and hospitals.
177 Medicare-enrolled doctors in 22 specialties practice in O Fallon, including 80 primary care doctors. The largest specialties are family doctors (44), internal medicine doctors (36), cardiologists (20), gastroenterologists (10).
Source: CMS Doctors and Clinicians national file; cities as CMS lists each practice address. About the data.