Welcome to Underwood Chiropractic – Your Partner in Health and Wellness


Located in the heart of O’Fallon, Illinois, Underwood Chiropractic is dedicated to providing personalized, results-driven chiropractic care tailored to your unique needs. Our mission is to go beyond symptom relief, addressing the root cause of your discomfort to help you achieve long-term health and vitality.


Comprehensive, Patient-Focused Care
We recognize that every patient is different, which is why we take a customized approach to treatment. Our services include:


Spinal Adjustments – Promoting alignment, mobility, and overall spinal health.


Active Release Techniques (ART) – Targeting soft tissue restrictions for pain relief and enhanced movement.


Therapeutic Exercises – Strengthening and rehabilitating muscles for long-term recovery.


Massage Therapy – Relieving tension and improving circulation.


Sports Injury & Auto Accident Recovery – Specialized care to restore function and alleviate pain.


State-of-the-Art Facility & Expert Care
At Underwood Chiropractic, we combine advanced technology with a welcoming, patient-centered environment to ensure you receive the highest level of care. Whether you’re dealing with neck pain, back pain, headaches, or injuries, our team is committed to helping you feel and perform your best.


Take Control of Your Health
We believe that education and proactive care are the keys to long-term wellness. Our goal is to empower you with the knowledge and tools needed to maintain a healthy, pain-free lifestyle.


Start Your Journey to Wellness Today
Take the first step toward better health. Book an appointment today and experience the difference at Underwood Chiropractic.

Better Results, Faster.

Experience long-lasting relief and improved mobility with soft tissue therapy and rehabilitation at Underwood Chiropractic. We go beyond symptom relief to target the root cause of pain, helping you recover faster and perform better—whether you’re an athlete, recovering from an injury, or simply want to move without discomfort.

Eliminate Pain & Tension
Restore Mobility & Strength
Prevent Future Injuries

Get back to feeling your best—faster.
📅 Book Your Appointment Today!

Testimonials

What they are saying…

  • I started seeing Dr. Underwood as I began my rookie season as a professional bowler on the PWBA. Kathy and Dr. Underwood took the best care of me especially when... read more

    taylor bailey Avatar taylor bailey
    May 8, 2022

    Nothing but wonderful things to say about Dr. Underwood and his team. I’ve been given my life back because of them, I am so glad I chose to come here!

    Andrew Letscher Avatar Andrew Letscher
    May 8, 2022

    I have had nothing but positive experiences with Underwood Chiropractic. They truly take the time to make sure their customers are happy and satisfied. Recommend this place for anyone who... read more

    Charlotte Richards Avatar Charlotte Richards
    May 8, 2022

    Best place to receive care in the area. When I was playing college baseball with a history of back and arm problems, this place is the only reason I was... read more

    Levi Brening Avatar Levi Brening
    April 17, 2023
  • I have been going to Underwood Chiropractic for 8 years now. I had been to several chiropractors before finding his office. If you have been unsatisfied with Chiropractic treatments... read more

    Travis & Susan Litteken Avatar Travis & Susan Litteken
    May 8, 2022

    Just visiting the area and needed an adjustment after a 12hour flight! Dr. Underwood is incredible. So thankful to find someone who actually cares and walks you through each thing.... read more

    Kristen Cervantes Avatar Kristen Cervantes
    July 8, 2022

    I've been a customer/fan of Dr. Underwood for several years, due to various issues, both chronic and acute, and I keep coming back because I trust him and his team.... read more

    tomas wegener Avatar tomas wegener
    May 8, 2022

    I have been coming here for about two months now and I couldn’t be happier with the service. I staff is extremely friendly and makes me feel right at home... read more

    Riley Mason Avatar Riley Mason
    May 8, 2022
  • Welcoming atmosphere, ease of scheduling, attentive to needs and took time to explain and listen to my concerns. Much appreciated

    tina kampwerth Avatar tina kampwerth
    January 8, 2023

    Scott helped me overcome an Achilles tendinopathy that had taken me out of my running game for the first time in 35 years! Highly skilled and efficient for every treatment,... read more

    Shannon Annie Avatar Shannon Annie
    April 8, 2023

    I started going to Dr. Underwood on January 31st for knee pain and foot pain. What struck me the first time was how both he and Kathy explained what the... read more

    sury garcia Avatar sury garcia
    May 8, 2022

    Dr. Underwood and Kathy are undoubtedly the best at what they do. Not only are they professionals but they create an environment that makes you feel that what they preach... read more

    Alex Steinbach Avatar Alex Steinbach
    May 8, 2022
  • Amazing experience! Doctor was anazing and apologized for another patient coming late which pushes the whole day behind. Not he’s fault. People need to realize it throws the schedule behind.... read more

    Heather Beccue Avatar Heather Beccue
    July 8, 2022

    Doctor Underwood & his staff are the best! My mom & I have been coming to him for 5 years. I have nothing but positive things to say about them.... read more

    Tayler Devine Avatar Tayler Devine
    May 8, 2022

    My first contact with Dr. Underwood was in 2016 through a recommendation from a running store when I said I had to quit running due to an extremely inflamed right... read more

    Wilson Schwager Avatar Wilson Schwager
    May 8, 2022

    Dr. Underwood corrected my back issue in one visit after several others could not with multiple visits. Dr. Underwood and staff are top notch! Would recommend Underwood Chiropractic to... read more

    John Fair Avatar John Fair
    March 8, 2023
  • Underwood is the first and only chiropractor I’ve been too, but with kind and professional staff I already know they’re one of the best. Back problems come easy when you... read more

    Kenneth Glidden Avatar Kenneth Glidden
    May 8, 2022

    I’m 44 years old and was a union floorlayer for 17 years and having a lot of hip pain. I had never been adjusted before and after my first visit... read more

    Trina Dennison Avatar Trina Dennison
    July 8, 2022

    Dr Underwood has been amazing. I have had pain in my back and left foot for years and after only six weeks I am able to sleep better with... read more

    Darrin Symonds Avatar Darrin Symonds
    April 8, 2023

    I am a new patient and I felt like I had been there all my life they are very courteous and Doctor Underwood has helped immensely already great chiropractor to... read more

    Kathy Monken Avatar Kathy Monken
    December 8, 2022
  • I've been a patient for 12 years, Dr. Underwood keeps me moving and has used variety of techniques to get me through injuries and aches. I definitely recommend him!

    Tara Wolf Avatar Tara Wolf
    July 8, 2022

    Very knowledgeable and does a great job at explaining and then setting up a treatment plan for the issues.

    george smith Avatar george smith
    September 8, 2022

    One of the best experiences I have had. Underwood takes the time to listen and work with you. I will be back for sure.

    Derek Mueller Avatar Derek Mueller
    August 8, 2022

    Dr. Underwood is amazing. I had an awful pain in my neck and shoulder that was generating a never ending headache. After trying two other chiros and pain mgmt shots... read more

    Matt Kohnen Avatar Matt Kohnen
    January 8, 2023

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