Mackhai Nguyen, PHARMD
Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist · Seattle, WA
Mackhai Nguyen, PHARMD is a pharmacist clinician (phc)/ clinical pharmacy specialist with a practice address in Seattle, Washington, and NPI 1518445030, issued on Aug 6, 2018. Check the license (Washington PH60765379, as entered in NPPES) with the Washington board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Mackhai Nguyen
- Credential
- PHARMD
- Primary taxonomy
- Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist 1835P0018X
- License number
- PH60765379 WA
Self-reported in NPPES; status is on the state search - Practice location
- 4550 42ND Ave SW, Seattle, WA 98116
- Phone
- (206) 923-6391
- Enumerated
- Aug 6, 2018
- Record last updated
- Jun 19, 2026
- Fax
- (206) 923-6394
- Entity
- Type 1 · individual
8 nearest pharmacist clinician (phc)/ clinical pharmacy specialist records → All 610 in Washington → Look up another NPI →
Also registered at 4550 42ND Ave SW
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Justin ChenPharmacist Clinician (PhC)/ Clinical Pharmacy Specialist1851055511
Verify Mackhai Nguyen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Washington board licenses this profession
Search for license PH60765379Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Most of these Medicare Part D claims are vaccines, 95% of the cost of the top drugs
95 Medicare Part D claims for 77 beneficiaries, against an average of 253 among the 1,614 providers of this specialty who prescribed in Part D. Brand-name drugs were 100% of claims.
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.
- Abrysvo38 claims
- Shingrix27 claims
- Boostrix Tdap14 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.
Mackhai Nguyen among 610 pharmacist clinician (phc)/ clinical pharmacy specialist records in Washington
Mackhai Nguyen, PHARMD is one of 610 pharmacist clinician (phc)/ clinical pharmacy specialist records with a practice address in Washington. 42% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2018, is newer than 68% of them.
- NPI issued2018 · 68% of these records are older, 27% newer
- In a Medicare fileYes · 42% of these records are
- In the CMS Doctors and Clinicians fileNo · under 1% of these records are
- Record last updated2026 · 50% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1835P0018X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist providers in Washington
There are 610 pharmacist clinician (phc)/ clinical pharmacy specialist records in Washington.
All 610 in Washington → Every provider in Seattle → Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist nationwide →
The 8 pharmacist clinician (phc)/ clinical pharmacy specialist records with the nearest ZIP codes
- Justin ChenSeattle, WA 981161851055511
- Maxwell DemerittSeattle, WA 981171427694470
- Jennifer NiyazovaSeattle, WA 981171306762885
- Ciera Sitton, PHARMDSeattle, WA 981171386420800
- Christine LeeSeattle, WA 981121699127506
- Loi Chau, PHARM.DSeattle, WA 981221639574981
- Lara Connell, PHARMDSeattle, WA 981221528246170
- Marian Dobles, PHARMDSeattle, WA 981221639709728
Common questions
What is Mackhai Nguyen, PHARMD's NPI number?
Mackhai Nguyen, PHARMD's National Provider Identifier (NPI) is 1518445030, issued on Aug 6, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Mackhai Nguyen, PHARMD located?
The NPPES record lists a practice address at 4550 42ND Ave SW, Seattle, WA, 98116. Phone: (206) 923-6391. Providers update this record themselves, so call before visiting.
How can I verify Mackhai Nguyen, PHARMD's license?
NPPES lists Washington license number PH60765379, as entered by the provider. Search the Washington board that licenses this profession; the NPPES record confirms identity only.
How much does Mackhai Nguyen, PHARMD prescribe under Medicare Part D?
In 2024, Mackhai Nguyen, PHARMD had 95 Medicare Part D claims for 77 beneficiaries; the average among pharmacist clinician (phc)/ clinical pharmacy specialist prescribers was 253. 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.