Doctors & clinics in O Fallon, MO
21 doctors & clinics listed in O Fallon, Missouri. 20 with a phone number and 18 with a website.
O Fallon accounts for 0.5% of the doctors & clinics listed in Missouri.
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Quick answer
O Fallon, MO has 21 doctors & clinics listed on USA Business Search. 20 list a phone number and 18 list a website. The most listings are in ZIP codes 63368, 63366.
Updated October 2026Chandra Wiewel, MD
Exceptional Health Care
Genevieve Matthews, MD
Internal Medicine Associates
Michael B Chen, MD
New Freedom Family Medicine
Nikol L Smart, MD
Rebecca Smith, PA-C
St. Charles Clinic - U.S. Department of Veterans Affairs
Tanvira Alam, Do
Ultra Wellness Medical
Wan-In Koo, DO
BJC Medical Group at Progress West - Specialists
St. Louis Laser Vein Center
Comprehensive Pain Specialists
Perinatal Center
Arc Foot & Ankle Llc
Mercy Clinic Primary Care - Winghaven
Sean Mcintosh, Do
Snowden, Kent L, Md
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How to choose a doctor in O Fallon
- Call your insurance to confirm the provider is in network before your first visit.
- Ask about telehealth options and how to reach the office after hours.
- Ask how long it usually takes to get a new-patient appointment.
Check the business: confirm a company's registration with the state in our Missouri business lookup guide, and licensed trades in the contractor license lookup guide.
Common questions
How many doctors & clinics are listed in O Fallon, Missouri?
USA Business Search shows 21 doctors & clinics in O Fallon. 20 list a phone number and 18 list a website.
Which ZIP codes do these listings cover?
They include ZIP codes 63368, 63366.
How do I choose a doctor in O Fallon?
Call your insurance to confirm the provider is in network before your first visit. Ask about telehealth options and how to reach the office after hours. Ask how long it usually takes to get a new-patient appointment. Check the license or registration through the Missouri business lookup guide.
How do I add or fix a listing?
Listings are free. Use Add your business, or the Claim or fix link on any listing.
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