Meet Dr. Mark Theiss with Inova Medical Group Orthopedics and Sports Medicine

To schedule an appointment with Dr. Mark M. Theiss, call 703-797-6464 or email orthoappointment@inova.org. To learn more visit,

Dr. Mark Theiss is a specialty care physician board certified in orthopedic surgery and sports medicine. Dr. Theiss joins Inova Medical Group with over 30 years of clinical experience. He has a special interest in shoulder, knee, and hip replacement coupled with a passion for sports medicine.

For the past 13 years to present, Dr. Theiss has served as a Chairman for the Department of Orthopedic Surgery at Inova Fairfax Hospital. He is also a Clinical Associate Professor with the Department of Orthopedic Surgery at Georgetown University Medical Center and at the VCU School of Medicine at the Inova Campus.

Dr. Theiss became interested in orthopedic surgery when participating in sports during his youth. After witnessing sports injuries, he took a keen interest in the medical process and helping his teammates recover so they could return to sports. That passion continues today. He enjoys assisting patients of all ages with the return to an active lifestyle, regardless of athletic ability or age.

*Accepts most major insurance plans.*

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