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

Dr. Duncan Stewart Barlow, MD

Individual provider Diagnostic Radiology Physician · NPI 1891780003

Dr. Duncan Stewart Barlow, MD is a Diagnostic Radiology Physician in Sterling, Virginia. Licensed in Maryland. Registered with an NPI since 2005.

Licensed in
MD
In the registry since
2005
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

21525 Ridgetop Cir Ste 260
Sterling, VA 20166-8518
Phone: (703) 346-7867
Fax: (703) 880-7401
Show map & directions

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

Specialties & licences

Diagnostic Radiology Physician (primary) Taxonomy 2085R0202X · Licence D0042670 (MD)

Record details

NPI number1891780003
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedSeptember 14, 2005
Last updated in NPPESFebruary 27, 2017

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