4.3
49 Ratings with 23 written Reviews
Summary
Dr. Mark Theiss is an orthopedic surgeon with over five decades of experience treating musculoskeletal conditions. He earned his medical degree from Georgetown University School of Medicine in Washington, DC, and completed his orthopedic surgery residency at Georgetown University Hospital, along with general surgery training at St. Barnabas Medical Center. Dr. Theiss is board certified in orthopedic surgery by the American Board of Orthopaedic Surgery and speaks English.
Dr. Theiss practices at Inova Orthopedics in Fairfax, Virginia, and maintains his hospital affiliation with Inova Fairfax Hospital. His expertise focuses on helping patients manage joint pain and osteoarthritis, particularly knee-related conditions. He incorporates physical therapy and strength training approaches into patient care, along with manual therapy techniques to help restore function and mobility. Patients have given him an average rating of 4.3 out of 5 stars on Vitals.
Dr. Theiss practices at Inova Orthopedics in Fairfax, Virginia, and maintains his hospital affiliation with Inova Fairfax Hospital. His expertise focuses on helping patients manage joint pain and osteoarthritis, particularly knee-related conditions. He incorporates physical therapy and strength training approaches into patient care, along with manual therapy techniques to help restore function and mobility. Patients have given him an average rating of 4.3 out of 5 stars on Vitals.
Overview based on verified provider data
Quick Facts
- accepting new patients
- 51 years of experience
- 34 insurance plans accepted
- speaks English
- Georgetown Univ Hosp, Orthopedic Surgery; St Barnabas Med Ctr, General Surgery
- 23 written reviews
- 1 specialty
- 20 areas of expertise
- 2 board certifications
- 1 hospital affiliation
- 1 office location
- Male
Patients’ Perspective
- Gave an accurate diagnosis
- Had a good bedside manner
- Spent time with me
Based on patient feedback. Read the reviews
Office Location
Inova Orthopedics - Prosperity
8501 Arlington Blvd Ste 200Fairfax, VA 22031 Tel: (571) 472-6464
Mon8:00 am - 5:00 pm
Tue8:00 am - 5:00 pm
Wed8:00 am - 5:00 pm
Thu8:00 am - 5:00 pm
Fri8:00 am - 5:00 pm
SatClosed
SunClosed
Compare with Similar Doctors
 |  |  |  |
| Mark M. Theiss, MD | Dr. Vinh Tran, DO, FAAOS | Dr. Raymond Thal, MD | Dr. Thomas Sanders, MD |
| Orthopedic Surgery | Orthopedic Surgery | Orthopedic Surgery | Orthopedic Surgery |
| Accepts New Patients | Accepts New Patients | Accepts New Patients | Accepts New Patients |
| 51 Years of Experience | 42 Years of Experience | ||
| No Virtual Visit Option | No Virtual Visit Option | No Virtual Visit Option | No Virtual Visit Option |
| Speaks English | Speaks English | Speaks English, Spanish | Speaks English |
| Fairfax , VA | Vienna , VA | Bethesda , MD | Falls Church , VA |
| Med School: Georgetown Univ Sch of Med, Washington Dc | Med School: Georgetown University School of Medicine Washington, D.C. | Med School: Loyola University Of Chicago Stritch School Of Medicine | Med School: Georgetown University School of Medicine Washington, DC |
Current Profile | View Profile | View Profile | View Profile |
Insurance Plans Accepted by Mark M. Theiss
Medical Specialties
Mark M. Theiss has the following specialty
Specialty Expertise
Mark M. Theiss has the following 20 areas of expertise
Certifications, License, & Education
51 Years Experience
Mark M. Theiss holds an expired medical license in the state of Virginia. They are board certified in Orthopaedic Surgery by the American Board of Orthopaedic Surgery.
Board Certifications
Board certified in Orthopaedic Surgery by the American Board of Orthopaedic Surgery.
Medical License
Medical Doctor with an expired medical license in the state of Virginia that expired in 2026.
Education & Training
Residency
Completed their residency at Georgetown Univ Hosp, Orthopedic Surgery; St Barnabas Med Ctr, General Surgery.
Medical School
Graduated from Georgetown Univ Sch of Med, Washington Dc in 1975.
NPI Number
Mark M. Theiss' NPI number is 1669534350.
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Frequently Asked Questions
- What languages does Mark Theiss speak?
- Mark Theiss speaks English.
- Is Mark Theiss accepting new patients?
- Mark Theiss is accepting new patients on Vitals. View Mark Theiss's profile on Vitals to make an appointment.
- Does Mark Theiss accept my insurance?
- You can see the insurance plans that Mark Theiss accepts on their Vitals profile.
- Which hospitals is Mark Theiss affiliated with?
- Mark Theiss is affiliated with INOVA FAIRFAX HOSPITAL.
- Where is Mark Theiss's office located?
- Mark Theiss's office is located at 8501 Arlington Blvd Ste 200, Fairfax, VA, 22031.
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