Allergy & Immunology
Internal Medicine, Allergy & Immunology
📍 SEATTLE, WA
20+
Yrs licensed
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NPI-verified
#1639254436
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Dr. Henderson is a healthcare provider specializing in Allergy & Immunology. They have 20+ years of experience in practice.
We put this together from the official NPPES NPI Registry and the CMS clinician file so you can get to know Dr. Henderson before you reach out — it isn't written by the doctor. Always confirm the details with the office.
Full name
Dr. William Henderson
NPI number
1639254436
Specialty
Internal Medicine, Allergy & Immunology
Licensed since
2006 · 20+ years
Practice location
SEATTLE, WA
Office phone
206-598-4615