Doctors & clinics in O'fallon, MO
34 doctors & clinics listed in O'fallon, Missouri. 33 with a phone number and 31 with a website.
O'fallon accounts for 0.8% of the doctors & clinics listed in Missouri.
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Quick answer
O'fallon, MO has 34 doctors & clinics listed on USA Business Search. 33 list a phone number and 31 list a website. The most listings are in ZIP codes 63366, 63368.
Updated October 2026Mercy Clinic Women's Health - O'Fallon Suite 100
Leonard Hoffmann, MD
St. Luke's RAYUS Radiology
O'Fallon Family Medicine
SSM Health Medical Group
Alissa Ballard, DO
Alyssa Leigh Keller
Arch Advanced Pain Management
Deborah Woods, LPC, NCC
Dr. Jawed Nanda
Dr. Kevin D. Weikart
Emma Eubanks, MD
Ent Associates
Family Medicine at Winghaven
Healix Infusion Care
Leo Hsu
Maryam Naemi, DO
Michael Hemmersmeier, DO
O'Fallon Family Medicine
Thomas Ganz, MD
Timothy Hunter, MD
Tri-County Family Practice
Victory Men's Health
SSM Health Care
SSM Health Medical Group
Missouri Hand Center
Winghaven Womens Care
Dawn Matschiner APN-BC
Lindsay Dickerhoff, MD
Internal Medicine at WingHaven
Gretchen Hollrah Levey
Healix Infusion Care
Progress West Medical Plaza
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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 34 doctors & clinics in O'fallon. 33 list a phone number and 31 list a website.
Which ZIP codes do these listings cover?
They include ZIP codes 63366, 63368.
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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