Doctors in O Fallon, IL
Find healthcare providers in O Fallon, Illinois. NPI verification, Medicare enrollment, and MIPS quality scores.
1,199
Registered Providers in O Fallon
Frequently Asked Questions
How many doctors are in O Fallon, IL?
Browse the full list of healthcare providers in O Fallon, Illinois on this page.
How do I find a specialist in O Fallon?
You can browse doctors in O Fallon on this page, or use the search page to filter by specialty, telehealth availability, and more.
What is an NPI number?
A National Provider Identifier (NPI) is a unique 10-digit number assigned to healthcare providers in the United States.