HealthCareAtlasUSA

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Doctors / WA

WILLIAM TOAN NGUYEN, MD

ALLERGY/IMMUNOLOGY

Medical school: UNIVERSITY OF TEXAS MEDICAL SCHOOL AT HOUSTON

Graduated: 1997

Offers telehealth

NPI: 1861445017

Practice Locations (1)

NORTHWEST ASTHMA AND ALLERGY CENTER

9725 3RD AVE NE, SUITE 500

SEATTLE, WA 981152024

2065271200

Source: CMS National Downloadable File, September 2026.

WILLIAM NGUYEN, MD | HealthCareAtlasUSA