NPPES file of Aug 9, 2026

Diem Lan T. Nguyen, PHARM. D

Pharmacist · Woodbridge, VA

Diem Lan T. Nguyen, PHARM. D is a pharmacist with a practice address in Woodbridge, Virginia, and NPI 1225289531, issued on Oct 6, 2008. Check the license (Virginia 0202208215, as entered in NPPES) with the Virginia board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1225289531
Name
Diem Lan T. Nguyen
Credential
PHARM. D
Primary taxonomy
Pharmacist 183500000X
License number
0202208215 VA
Self-reported in NPPES; status is on the state search
Practice location
13876 Langstone Dr, Woodbridge, VA 22193
Phone
(703) 583-3633
Enumerated
Oct 6, 2008
Record last updated
Oct 6, 2008 (not updated in 18 years: call before relying on the address or phone)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 13876 Langstone Dr

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Ngoc Lan NguyenPharmacist1679977508

Verify Diem Lan T. Nguyen in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Virginia board licenses this profession
    Search for license 0202208215
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Virginia license search

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Most of these Medicare Part D claims are vaccines, 100% of the cost of the top drugs

69 Medicare Part D claims for 63 beneficiaries, against an average of 119 among the 28,524 providers of this specialty who prescribed in Part D. Brand-name drugs were 100% of claims.

  1. Diem Lan Nguyen69
  2. Specialty average119

Most prescribed

Pharmacies often give vaccines under a standing order that names one clinician, and CMS counts every such claim under that clinician's NPI. These claims are therefore not a measure of this clinician's own prescribing.

  1. Arexvy24 claims
  2. Abrysvo19 claims
  3. Shingrix19 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.

Diem Lan T. Nguyen among 6,584 pharmacist records in Virginia

Diem Lan T. Nguyen, PHARM. D is one of 6,584 pharmacist records with a practice address in Virginia. 10% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 11% of them.

  • NPI issued2008 · 11% of these records are older, 88% newer
  • In a Medicare fileYes · 10% of these records are
  • In the CMS Doctors and Clinicians fileNo · 0% of these records are
  • Record last updated2008 · 75% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 183500000X and a Virginia practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

100 pharmacist records list a practice address in Woodbridge

They are 100 of the 2,253 NPPES records with a practice address in Woodbridge, and 6,584 pharmacist records in Virginia.

The 8 pharmacist records with the nearest ZIP codes

  1. Marwan AlithawiWoodbridge, VA 221931063013027
  2. David Bobb, R.PHWoodbridge, VA 221931841297090
  3. Olga CerratoWoodbridge, VA 221931265776462
  4. Mai Dam, RPHDale City, VA 221931124328695
  5. Van GiangWoodbridge, VA 221931437604899
  6. Angelina Kankam, PHARMACISTWoodbridge, VA 221931134252703
  7. Hye Julie KimWoodbridge, VA 221931588964654
  8. Lianna Nguyen, PHARM.D.Woodbridge, VA 221931811260581

Common questions

What is Diem Lan T. Nguyen, PHARM. D's NPI number?

Diem Lan T. Nguyen, PHARM. D's National Provider Identifier (NPI) is 1225289531, issued on Oct 6, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Diem Lan T. Nguyen, PHARM. D located?

The NPPES record lists a practice address at 13876 Langstone Dr, Woodbridge, VA, 22193. Phone: (703) 583-3633. Providers update this record themselves, so call before visiting.

How can I verify Diem Lan T. Nguyen, PHARM. D's license?

NPPES lists Virginia license number 0202208215, as entered by the provider. Search the Virginia board that licenses this profession; the NPPES record confirms identity only.

How much does Diem Lan T. Nguyen, PHARM. D prescribe under Medicare Part D?

In 2024, Diem Lan T. Nguyen, PHARM. D had 69 Medicare Part D claims for 63 beneficiaries; the average among pharmacist prescribers was 119. 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.