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Chiro One Chiropractic & Wellness Center
St. Charles, IL

$20 New Patient offer* Exclusions Apply

962 S Randall Rd
Suite F St. Charles, IL 60174

Patient Reviews

855-424-4761New Patients

630-443-0400 Existing Patients

  • Monday – Thursday
  • 7:30 – 10:30am
  • 3:00 – 6:30pm
  • Friday – Sunday
  • Closed
New Patients


Existing Patients


Located on the corner of Randall Road and Bricher Road, across from The Geneva Commons.

  • Monday – Thursday
  • 7:30 – 10:30am
  • 3:00 – 6:30pm
  • Friday – Sunday
  • Closed
Schedule Now!
Book Same Day & We'll Waive the $20

The Chiro One Difference

Our chiropractic treatment stands above the rest

With the goal of helping you return to a healthy, active lifestyle, chiropractic care is a safe, effective, and drug-free approach. Our experienced chiropractic doctors specialize in helping patients find relief from pain and discomfort through a unique combination of gentle, all-natural chiropractic adjustments and therapies.

Common Conditions We Treat

  • Low Back Pain
  • Chronic Headaches
  • Sciatica
  • Neck Pain
  • Shoulder Pain
  • Foot Pain

Meet our Doctors

Our Chiropractors are here to serve you

Dr. Lacie Drennan

Dr. Lacie Drennan

St. Charles

Education: Northwestern Health Sciences

Hometown: Larrabee, Iowa

Dr. Drennan's patients leave her clinic determined to live their best lives. "We only get one life to live," she reminds them, and overflows with joy when they tell her how chiropractic changed theirs.

Growing ...up in Larrabee, Iowa allowed Dr. Drennan to develop a relationship with chiropractic early in life. After a severe car accident left her with chronic, debilitating migraines, the 15-year-old found herself plagued by constant nausea and pain, which forced her to miss classes and sporting events. Multiple medications failed her. After an MD even told her that if she avoided dairy, chocolate and gluten her migraines "might go away" in a few years, she went to a chiropractor who relieved her pressure and resolved her pain. "Chiropractic gave me my life back," she tells hopeful patients. After that first adjustment she knew she wanted to become a chiropractor to help others avoid the suffering she went through.

Wellness for Dr. Drennan means benefiting from lifelong chiropractic care — both therapeutically and preventively — without relying on drugs and surgery. She maintains her wellness by playing volleyball — on the court in the winter in the sand during summer, and at tournaments all year long.

After completing her BS at Buena Vista University, Dr. Brennan was a Dean's List graduate of Northwestern Health Sciences University, where she earned her Doctorate of Chiropractic as an active member of the Health and Wellness Fitness Club and the Student American Chiropractic Association Sports Council.

An active member of the American Chiropractic Association, Dr. Brennan specializes in athletic performance and injury care, as well as improved mobility and function education.

Chiropractic Articles

Expertise You Can Trust to Help You Live Your Healthiest Life.

Blog Post How a Chiropractic Adjustment Works
February 14, 2023
Blog Post Ready for Relief
December 29, 2023