Duncan Stewart Barlow, M.D.
Diagnostic Radiology Physician · Sterling, VA
Duncan Stewart Barlow, M.D. is a diagnostic radiology physician with a practice address in Sterling, Virginia, and NPI 1891780003, issued on Sep 14, 2005. Check the license on the Virginia Department of Health Professions; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Duncan Stewart Barlow
- Credential
- M.D.
- Primary taxonomy
- Diagnostic Radiology Physician 2085R0202X
- License number
- D0042670 MD
Self-reported in NPPES; status is on the state search - Practice location
- 21525 Ridgetop Cir, Sterling, VA 20166
- Phone
- (703) 346-7867
- Enumerated
- Sep 14, 2005
- Record last updated
- Feb 27, 2017 (not updated in 9 years: call before relying on the address or phone)
- Fax
- (703) 880-7401
- Entity
- Type 1 · individual
8 nearest diagnostic radiology physician records → All 1,158 in Virginia → Look up another NPI →
Also registered at 21525 Ridgetop Cir
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Ricardo Gaitan, D.D.SGeneral Practice Dentistry1184826562
Verify Duncan Stewart Barlow in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersVirginia Department of Health ProfessionsCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Duncan Stewart Barlow among 1,158 diagnostic radiology physician records in Virginia
Duncan Stewart Barlow, M.D. is one of 1,158 diagnostic radiology physician records with a practice address in Virginia. 72% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 89% newer
- In a Medicare fileNo · 72% of these records are
- In the CMS Doctors and Clinicians fileNo · 68% of these records are
- Record last updated2017 · 55% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2085R0202X and a Virginia practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Diagnostic Radiology Physician providers in Virginia
There are 1,158 diagnostic radiology physician records in Virginia. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 1,158 in Virginia → Every provider in Sterling → Diagnostic Radiology Physician nationwide →
The 8 diagnostic radiology physician records with the nearest ZIP codes
- Ahalya Premkumar, MDSterling, VA 201661568574200
- Scott Cassar, MDLeesburg, VA 201761003822115
- Gavin GoreLeesburg, VA 201761316189608
- Ziyad Haddad, MDLeesburg, VA 201761356329965
- Arun Kumar, MDLeesburg, VA 201761326256678
- Karan Lotfi, M.D.Leesburg, VA 201761073604294
- Anil Maliyekkel, M.D., PH.D.Leesburg, VA 201761881838456
- Qazi Uddin, MDLeesburg, VA 201761609180306
Common questions
What is Duncan Stewart Barlow, M.D.'s NPI number?
Duncan Stewart Barlow, M.D.'s National Provider Identifier (NPI) is 1891780003, issued on Sep 14, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Duncan Stewart Barlow, M.D. located?
The NPPES record lists a practice address at 21525 Ridgetop Cir, Sterling, VA, 20166. Phone: (703) 346-7867. Providers update this record themselves, so call before visiting.
How can I verify Duncan Stewart Barlow, M.D.'s license?
Search the Virginia Department of Health Professions at https://dhp.virginiainteractive.org/lookup/index. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.