ALEXANDER N. DIAZ – NPI #1518428812
Radiology

A radiologist who utilizes x-ray, radionuclides, ultrasound and electromagnetic radiation to diagnose and treat disease.

ALEXANDER DIAZ is a radiologist located in SEATTLE, WA. NPPES has assigned the NPI number 1518428812 to ALEXANDER DIAZ on March 28, 2019. It is a Type-1 NPI, indicating this NPI number is associated with an individual. The primary taxonomy selected by this provider is 2085R0202X from the Health Care Provider Taxonomy code set, which is classified as Radiology, specializing in Diagnostic Radiology

The NPI profile was last updated on Oct 03, 2025. Use the NPI data found here to bill health insurance companies, identify providers enrolled in Medicare and Medicaid services or other HIPAA compliant transactions. See the complete NPI profile for ALEXANDER DIAZ below.

NPI Profile for
ALEXANDER N. DIAZ

NPI Number
1518428812
Enumeration Date

(more than 7 years ago)
Entity Type
Type-1  Individual (Male)
Legal Name
ALEXANDER N. DIAZ
Primary location
1959 NE PACIFIC ST
SEATTLE, WA 98195
Phone: (206) 598-3300 Fax:
1 Other location(s):
325 9th Ave
Seattle, WA 98104-2420
Phone: (206) 520-5000
Mailing address
PO BOX 50095
SEATTLE, WA 98145-5095
Phone: Fax:
Sole Proprietor
No
Updated
Certification Date
Oct 03, 2025

Note: NPPES allows providers to attest to the accuracy of their NPI data. When a provider request any change to the NPI record, they will be able to attest to their changed NPI data, resulting in an updated certification date.

Taxonomy Code(s)

A taxonomy code is a code that describes the health care service provider's type, classification, and the area of specialization. The primary specialty for this provider is indicated as (Primary) below.

Taxonomy Classification / Specialization State License
2085R0202X
- Radiology / Diagnostic Radiology (Primary)
WA MD61575447

The taxonomy codes are selected by the provider at the time of NPI registration. Selection of a taxonomy code does not replace any credentialing or validation process that the provider requesting the code should complete.

Additional Information

Education
UNIVERSITY OF CALIFORNIA, SAN FRANCISCO SCHOOL OF MEDICINE - Graduated 2019
Accepts Medicare
This provider accepts Medicare-approved amount as payment in full. The Medicare-approved amount is the total the provider can be paid. When a provider accepts the Medicare-approved amount as payment, you won't be billed for more than the Medicare deductible & coinsureance.
Medicare Ordering & Referring
Provider can:
  • Refer to Part B
  • Order Durable Medical Equipment
  • Refer to Home Health Agency
  • Order Power Mobility Devices

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