Orthopedic Associates in St. Louis, MO

Updated November 2026How we check doctors

6 doctors at this practice1050 Old Des Peres Road, Suite 100, St. Louis, MO

About the practice

Office hours

Hours for the Injury Access Clinic.

Practice details come from the practice's own website (oastl.com).

Doctors at this practice

Photo of Christopher D. Mudd, M.D.

Christopher D. Mudd, M.D.

Orthopedics physicianConcierge
Orthopedic Associates · St. Louis, MO
Medical school Saint Louis University School of Medicine
Training Saint Louis University Hospital
  • Adult reconstructive orthopedic surgery
  • Hip and knee surgery
  • Joint replacement
Photo of Christopher P. O’Boynick, M.D.

Christopher P. O’Boynick, M.D.

Orthopedics physicianConcierge
Orthopedic Associates · St. Louis, MO
Medical school University of Kansas School of Medicine
Training SSM Health St. Louis University Hospital
  • Back, neck and spine care
  • Surgical spine care
  • Nonsurgical spine care
Photo of Greg N. Nelson, M.D.

Greg N. Nelson, M.D.

Orthopedics physicianConcierge
Orthopedic Associates · St. Louis, MO
Training Shoulder and elbow surgery
  • Joint replacement surgery
  • Mako SmartRobotics shoulder replacement
  • Oxford Cementless Partial Knee replacement
Photo of James S. Burke, Jr., M.D.

James S. Burke, Jr., M.D.

Orthopedics physicianConcierge
Orthopedic Associates · St. Louis, MO
Medical school University of Missouri-K.C. School of Medicine
Training St. Louis University Health Sciences Center
  • General orthopedic surgery
  • Sports medicine
  • Joint reconstruction
Photo of Matthew D. Collard, D.O.

Matthew D. Collard, D.O.

Orthopedics physicianConcierge
Orthopedic Associates · St. Louis, MO
Medical school University of Health Sciences
Training Des Peres Hospital
  • Joint replacement
  • Inpatient and outpatient surgery
Photo of Ryan T. Pitts, M.D.

Ryan T. Pitts, M.D.

Orthopedics physicianConcierge
Orthopedic Associates · St. Louis, MO
Medical school St. Louis University School of Medicine (2004)
Training Mayo Clinic College of Medicine and Science, orthopedic surgery (2009)
  • Joint replacement
  • Hip and knee surgery
  • Sports medicine