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Mark Theiss, MD

A member of Inova Medical Group

Board Certified Specialty: Orthopaedic Surgery

Clinical Interest: Hip Replacement, Joint Replacement Surgery, Knee Problems/Surgery and Treatments, Knee Replacement, Shoulder Problems/Surgery and Treatments

Years of Experience: 49

Gender: Male

Languages: English

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Physician Group

Inova Medical Group - Sports Medicine

Inova Medical Group - Orthopaedics and Sports Medicine

For office hours, insurances accepted, or other information call the office location.

Hospital Affiliations

Biography

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

Internship:

  • Saint Barnabas Medical Center General Surgery ( ) 7/1/1975-6/30/1976

Residency:

  • MedStar Georgetown University Hospital Orthopaedic Surgery ( ) 7/1/1976-6/30/1980

Board Certification:

  • Orthopaedic Surgery



Inova Physician Referral Service

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.

Disclosure Statement for Online Physician Referral Service

Thank you for accessing the Inova Physician Referral Service. 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.