Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Mark S. Twedt, MD

Individual provider Diagnostic Radiology Physician · NPI 1811293525

Mark S. Twedt, MD is a Diagnostic Radiology in Richmond, Virginia. Graduated from Mercer University School of Medicine in 2011, 15 years ago. Practices with Radiology Associates of North Georgia, a 36-clinician group and accepts Medicare assignment. Licensed in Virginia.

Years since qualifying
15
Trained at
Mercer University School of Medicine
Licensed in
VA
In the registry since
2011
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Claim this listing Report a problem Suggest an edit

Practice location Address checks out

1250 E Marshall St Dept OF Radiology
Richmond, VA 23298-5051
Phone: (804) 828-6831
Fax: (804) 628-1132
Show map & directions

Directions in Google Maps · Apple Maps · OpenStreetMap

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Diagnostic Radiology Physician (primary) Taxonomy 2085R0202X · Licence 0101259401 (VA)

Record details

NPI number1811293525
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJanuary 28, 2011
Last updated in NPPESAugust 3, 2016
Mailing addressPo Box 91734, Richmond, VA 23291-1734

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyDIAGNOSTIC RADIOLOGY
Medical schoolMERCER UNIVERSITY SCHOOL OF MEDICINE
Graduated 2011 (15 years in practice)
Group practice Radiology Associates Of North Georgia — 36 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

Other providers in Richmond