We are your St. Charles Sports Medicine Specialist

Better Doctors Better Care

Are you sidelined with a sports-related injury?

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Why Choose Us

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Vince J. Lai, MD

Dr. Lai treats specializes in the treatment of sports injuries. After graduating from Washington University, he completed his fellowship in sports medicine at Allegheny General Hospital in Pittsburgh. He now serves as a team doctor for the St. Louis Ambush, St. Dominic High School and Lutheran High School in St. Charles.

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Kevin J. Quigley, MD

Dr. Quigley is an orthopedic surgeon and sports medicine physician based in St. Charles County. He graduated from Saint Louis University School of Medicine and completed his orthopedic surgery residency at Saint Louis University Hospital. He works as a team doctor for the St. Louis Ambush. 

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Board-Certified Sports Physicians

Our team of 40+ orthopedic physicians can help you recover from all sports-related injuries.

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Personalized Care For Every Athlete

From professionals, collegiate competitors, weekend warriors, and children in youth sports leagues, we treat injured athletes of all levels.

Why Choose Us

We Are Sports Medicine Experts

Our board-certified, fellowship-trained orthopedic surgeons at Signature Orthopedics, Dr. Vince J. Lai and Dr. Kevin J. Quigley, have extensive training and experience in sports medicine and provide personalized guidance on safe training and conditioning exercises, injury prevention, nutrition and supplements, and return-to-play decisions. 

Highly Rated St. Charles Sports Medicine Doctors

At Signature Orthopedics, we provide comprehensive medical care, including surgical, conservative, and alternative treatment options. We emphasize nonsurgical therapies whenever possible, developing an individualized treatment plan for each patient with a goal to help him or her achieve peak performance and a full recovery.

Many of us at Signature Orthopedics are athletes ourselves, and we understand the importance of being able to maintain an active lifestyle. Whether you'd like to address a persistent musculoskeletal pain, receive urgent care for a fracture or torn ligament, or enhance your overall fitness level, we can help. Contact us today to request an appointment.

Common Sports Injuries We Treat Include:

  • Achilles Tendon Injuries
  • ACL Injuries
  • Ankle Sprains
  • Combined Knee Ligament Injuries
  • Dislocations
  • Golfer's Elbow
  • Groin Pulls
  • Hamstring & Hip Strains
  • Hand Injuries
  • Hip Pain
  • Meniscal Tears
  • Muscle Strains
  • Overuse Injuries
  • Runner's Knee
  • Shin Splints
  • Shoulder Injuries
  • Sprains, Strains & Fractures
  • Stress Fractures
  • Tendonitis & Tendon Tears
  • Tennis Elbow


Signature Orthopedics - O'Fallon

Signature Orthopedics - O'Fallon
9323 Phoenix Village Pkwy
O'Fallon, MO 63368
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  • 170k Patient Visits
    Every Year
  • 40 Orthopedic Physicians &
    Advanced Clinicians
  • 9 St. Louis Area