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DR. MACKHAI NGUYEN PHARMD
NPI 1518445030
Pharmacist - Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist in Seattle, WA

Active since August 06, 2018
4550 42ND AVE SW, SEATTLE, WA 98116(206) 923-6391(206) 923-6394 Get Directions Write a Review

NPPES record last updated: June 19, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Dr. Mackhai Nguyen Pharmd NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. MACKHAI NGUYEN PHARMD (NPI 1518445030) is an individual pharmacist clinician (phc)/ clinical pharmacy specialist in Seattle, Washington, licensed in Washington (PH60765379) and active in the NPI registry since August 2018.

NPPES Registry Identity

NPI1518445030
Entity TypeIndividualMale
Primary Taxonomy1835P0018X
Provider Legal NameDR. MACKHAI NGUYENCredential: PHARMD
Location Address4550 42ND AVE SWSeattle, WA 98116-4225
Mailing Address4550 42nd Ave SwSeattle, WA 98116-4225 · (206) 923-6391 · Fax (206) 923-6394
Phone(206) 923-6391
Fax(206) 923-6394
Sole ProprietorYes
Enumeration DateAugust 6, 2018
Last NPPES UpdateJune 19, 2026
NPPES CertifiedJune 19, 2026
✔ NPI 1518445030 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPharmacist · Pharmacist Clinician (PhC)/ Clinical Pharmacy SpecialistPharmacy Service Providers
Taxonomy Code1835P0018X
License✔ Licensed in WA · PH60765379
Definition
Pharmacist Clinician/Clinical Pharmacy Specialist is a pharmacist with additional training and an expanded scope of practice that may include prescriptive authority, therapeutic management, and disease management.
4550 42ND AVE SW, Seattle, WA 98116
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Other Providers at the Same Location NPPES 3

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

1918 WINTER STREET OPERATING CO LLC
Pharmacy (Community/Retail Pharmacy)
4550 42ND AVE SW
SEATTLE, WA 98116
King County (206) 923-6391
JUSTIN CHEN
Pharmacist (Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist)
4550 42ND AVE SW
SEATTLE, WA 98116
King County (206) 923-6391
FRED MEYER STORES INC.
Pharmacy (Community/Retail Pharmacy)
4550 42ND AVE SW
SEATTLE, WA 98116
King County (206) 923-6391

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Mackhai Nguyen's NPI number?

The NPI number for Mackhai Nguyen is 1518445030. It was assigned to this individual provider in the NPPES registry on August 6, 2018.

Where is Mackhai Nguyen located?

Mackhai Nguyen practices at 4550 42nd Ave SW, Seattle, WA 98116. The listed phone number is (206) 923-6391.

What is Mackhai Nguyen's specialty?

The primary specialty registered for this NPI is Pharmacist, specializing in Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist, with taxonomy code 1835P0018X.

When was this NPI record last updated?

The NPPES record for Mackhai Nguyen was last updated on June 19, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.