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

Alexander Napoleon Diaz

Individual provider Diagnostic Radiology Physician · NPI 1518428812

Alexander Napoleon Diaz is a Diagnostic Radiology in Seattle, Washington. Graduated from University of California, San Francisco School of Medicine in 2019, 7 years ago. Practices with The Association of University Physicians, a 3,459-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Washington.

Years since qualifying
7
Trained at
University of California, San Francisco School of Medicine
Licensed in
WA
In the registry since
2019
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Practice location Address checks out

1959 NE Pacific St
Seattle, WA 98195
Phone: (206) 598-3300
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 325 9th Ave, Seattle, WA 98104-2420 — (206) 520-5000

Specialties & licences

Diagnostic Radiology Physician (primary) Taxonomy 2085R0202X · Licence MD61575447 (WA)

Record details

NPI number1518428812
Entity typeIndividual (Type 1)
GenderMale
Sole proprietorNo
NPI enumeratedMarch 28, 2019
Last updated in NPPESOctober 3, 2025
Certification dateOctober 3, 2025

Medicare enrollment

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

Medicare specialtyDIAGNOSTIC RADIOLOGY
Medical schoolUNIVERSITY OF CALIFORNIA, SAN FRANCISCO SCHOOL OF MEDICINE
Graduated 2019 (7 years in practice)
Group practice The Association Of University Physicians — 3459 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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