Hoang An N. Nguyen, MD
Internal Medicine Physician · Ashburn, VA
Hoang An N. Nguyen, MD is an internal medicine physician with a practice address in Ashburn, Virginia, and NPI 1114095528, issued on Dec 1, 2006. Check the license (Virginia 0101235326, as entered in NPPES) on the Virginia Department of Health Professions; the Medicare figures below come from public CMS files.
- Name
- Hoang An N. Nguyen
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 0101235326 VA
Self-reported in NPPES; status is on the state search - Practice location
- 43480 Yukon Dr, Ashburn, VA 20147
- Phone
- (571) 252-6000
- Enumerated
- Dec 1, 2006
- Record last updated
- Jan 7, 2022
- Fax
- (571) 252-6011
- Medicare enrollment
- Enrolled (PECOS I20131216000592); accepts Medicare assignment
- Medical or professional school
- University Of Virginia School Of Medicine, 1997
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 3,599 in Virginia → Look up another NPI →
Also registered at 43480 Yukon Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kelly Andrews, LPCMental Health Counselor1518479914
- Naett Asgill, MDObstetrics & Gynecology Physician1164679866
- Amardeep Athwal, MDFamily Medicine Physician1538357934
- Trudy Gambrel, RPHPharmacist1891036331
- Richard Kao, O.D.Optometrist1205985637
- David Leng, MDFamily Medicine Physician1003074428
Verify Hoang An N. Nguyen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersVirginia Department of Health Professions
Search for license 0101235326Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.2 times the Medicare Part D claims of the average internal medicine physician in 2024
6,903 Medicare Part D claims for 493 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 118 claims were for opioids.
Most prescribed
- Atorvastatin Calcium736 claims
- Amlodipine Besylate414 claims
- Losartan Potassium327 claims
- Lisinopril259 claims
- Rosuvastatin Calcium244 claims
- Tamsulosin Hcl203 claims
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).
Hoang An N. Nguyen among 3,599 internal medicine physician records in Virginia
Hoang An N. Nguyen, MD is one of 3,599 internal medicine physician records with a practice address in Virginia. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 9% of them.
- NPI issued2006 · 9% of these records are older, 55% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated1997 · median 2003 among the 2,234 with a school on file
- Record last updated2022 · 53% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Virginia practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
23 internal medicine physician records list a practice address in Ashburn
They are 23 of the 1,192 NPPES records with a practice address in Ashburn, and 3,599 internal medicine physician records in Virginia.
All 3,599 in Virginia → Every provider in Ashburn → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Sheena Abraham, M.D.Ashburn, VA 201471831246818
- Khadija Alvi, M.D.Ashburn, VA 201471225196678
- Fuad Alykhan, M.D.Ashburn, VA 201471013192327
- Christopher Connolly, M.D.Ashburn, VA 201471790710721
- Sumitra Easwaran, M.D.Ashburn, VA 201471871535302
- Mahsin Habib, M.D.Ashburn, VA 201471831317593
- Grace Keenan, M.D., CEOAshburn, VA 201471770518821
- Thomas Mancini, MDAshburn, VA 201471568456275
Common questions
What is Hoang An N. Nguyen, MD's NPI number?
Hoang An N. Nguyen, MD's National Provider Identifier (NPI) is 1114095528, issued on Dec 1, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Hoang An N. Nguyen, MD located?
The NPPES record lists a practice address at 43480 Yukon Dr, Ashburn, VA, 20147. Phone: (571) 252-6000. Providers update this record themselves, so call before visiting.
How can I verify Hoang An N. Nguyen, MD's license?
NPPES lists Virginia license number 0101235326, as entered by the provider. 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 Hoang An N. Nguyen, MD prescribe under Medicare Part D?
In 2024, Hoang An N. Nguyen, MD had 6,903 Medicare Part D claims for 493 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.