Brian Bao Nguyen, M.D.
Internal Medicine Physician · Washington, VA
Brian Bao Nguyen, M.D. is an internal medicine physician with a practice address in Washington, Virginia, and NPI 1043537731, issued on Apr 21, 2010. Check the license on the Virginia Department of Health Professions; the Medicare figures below come from public CMS files.
- Name
- Brian Bao Nguyen
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- MD041289 DC
Self-reported in NPPES; status is on the state search - Practice location
- 110 Irving Street, NW, Washington, VA 20010
- Phone
- (202) 877-0720
- Enumerated
- Apr 21, 2010
- Record last updated
- Jun 11, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20131030000017); accepts Medicare assignment
- Medical or professional school
- Virginia Commonwealth University, School Of Medicine, 2010
- Entity
- Type 1 · individual
Verify Brian Bao Nguyen 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
96% fewer Medicare Part D claims than the average internal medicine physician in 2024
128 Medicare Part D claims for 66 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 19% of claims. 15 claims were for opioids.
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- Kaiser Foundation Health Plan OF The Mid Atlantic States, IncLargo, MD
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
2 internal medicine physician records list a practice address in Washington
They are 2 of the 17 NPPES records with a practice address in Washington, and 3,599 internal medicine physician records in Virginia.
All 2 in Washington → All 3,599 in Virginia → Every provider in Washington →
Other internal medicine physician records in Virginia
- Caren Aaron, M.D.Martinsville, VA1477538734
- Mark Aarons, M.D.Arlington, VA1730371774
- Estefania Abasolo Lopez, MDManassas, VA1043899545
- Salma Abbas, MDRichmond, VA1427303387
- Amir AbbasiRichmond, VA1851233548
- Gohar Abbasi, MDChester, VA1134198187
- Mustafa Abbasi, MDAlexandria, VA1316019912
- Layla Abdal Hussain, MDWoobridge, VA1801036942
- Marwa Abdelfattah, M.D.Culpeper, VA1225251572
- Ramy Abdelfattah, M.D.Fredericksburg, VA1437525748
Common questions
What is Brian Bao Nguyen, M.D.'s NPI number?
Brian Bao Nguyen, M.D.'s National Provider Identifier (NPI) is 1043537731, issued on Apr 21, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Brian Bao Nguyen, M.D. located?
The NPPES record lists a practice address at 110 Irving Street, NW, Washington, VA, 20010. Phone: (202) 877-0720. Providers update this record themselves, so call before visiting.
How can I verify Brian Bao Nguyen, 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.
How much does Brian Bao Nguyen, M.D. prescribe under Medicare Part D?
In 2024, Brian Bao Nguyen, M.D. had 128 Medicare Part D claims for 66 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. 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.