Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Dr. William Toan Nguyen, MD

Individual provider Allergy & Immunology Physician · NPI 1861445017

Dr. William Toan Nguyen, MD is an Allergy/Immunology in Redmond, Washington. Graduated from University of Texas Medical School at Houston in 1997, 29 years ago. Practices with Northwest Asthma and Allergy Center, an 11-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Washington.

Years since qualifying
29
Trained at
University of Texas Medical School at Houston
Licensed in
WA
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

8301 161st Ave NE Ste 308
Redmond, WA 98052-3858
Phone: (206) 527-1200
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Allergy & Immunology Physician (primary) Taxonomy 207K00000X · Licence MD61174262 (WA)

Record details

NPI number1861445017
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 18, 2006
Last updated in NPPESMarch 26, 2024
Certification dateMarch 26, 2024

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyALLERGY/IMMUNOLOGY
Medical schoolUNIVERSITY OF TEXAS MEDICAL SCHOOL AT HOUSTON
Graduated 1997 (29 years in practice)
Group practice Northwest Asthma And Allergy Center — 11 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

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