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Mark M. Theiss, MD

A member of Inova Medical Group
The doctors of Inova Medical Group are Inova’s premier primary care and specialty physicians, offering top-notch medical expertise, full access to Inova facilities, and the convenience of integrated electronic medical records.
Mark Theiss, MD

Specialty

Board-certified specialties granted by an ABMS Member Board. Learn more about board certification.
Orthopaedic Sports Medicine, Orthopaedic Surgery

Clinical Interest

Areas of special interest identified by the physician or additional training completed.
Hip Replacement, Joint Replacement Surgery, Knee Problems/Surgery and Treatments, Knee Replacement, Shoulder Problems/Surgery and Treatments

Years of Experience

44

Gender

Male

Languages

English
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About Mark Theiss, MD

Dr. Mark Theiss is a specialty care physician board certified in orthopaedic 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 of the Department of Orthopaedics at Inova Fairfax Hospital. He is also a clinical associate professor with the Department of Orthopaedic Surgery at Georgetown University Medical Center and at the VCU School of Medicine Inova Campus.

Dr. Theiss became interested in orthopaedic 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.

Dr. Theiss grew up in San Francisco and currently resides in Fairfax, VA, with his wife whom he coaches during marathon and duathlon training. He is an avid distance cyclist, skier and fisherman.

Background

Medical Education

Georgetown University School of Medicine 1975

Internships

Saint Barnabas Medical Center General Surgery 07/01/1975 - 06/30/1976

Residency

MedStar Georgetown University Hospital Orthopaedic Surgery 07/01/1976 - 06/30/1980

Board Certification

Orthopaedic Sports Medicine, Orthopaedic Surgery

Hospital Affliation

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Patient Reviews

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Inova Physician Referral Services

Please make note of the following information.

This referral service is sponsored by Inova. Only physicians with appropriate medical staff privileges at an Inova affiliated hospital may participate. There is no charge or fee to you or for the participating physician for our service. Physician participation is voluntary.

Physician referrals will be based on your referral needs and preferences of location, specialty, and rotation availability of the physician.

The physicians on our referral panel are independent practitioners or physician employees. The independent practitioners are not employees, agents or representatives of Inova and are solely responsible for their provision of medical care to you.