WILLIAM DONALD HAZELTON NPI 1255258521

NPI Information

  • NPI: 1255258521
  • Provider Name: WILLIAM DONALD HAZELTON
  • Classification: Medical Genetics, Ph.D. Medical Genetics - 170100000X
  • Entity Type: Individual
  • Address: 1100 FAIRVIEW AVE N
    SEATTLE, WA
    ZIP 98109
  • Phone: (206) 293-1921

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NPI Details

William Donald Hazelton is a medical genetics phd medical genetics in Seattle, WA. The provider is a medical geneticist works in association with a medical specialist, is affiliated with a clinical genetics program, and serves as a consultant to medical and dental specialists. William Donald Hazelton NPI is 1255258521. The provider is registered as an individual entity type.

The NPPES NPI record indicates the provider is a male.

The provider's business location address is:

1100 FAIRVIEW AVE N
SEATTLE, WA
ZIP 98109-433
Phone: (206) 293-1921

The enumeration date for this NPI number is 6/30/2026 and was last updated on 6/30/2026.

Taxonomy Codes

The NPI record includes the healthcare provider taxonomy classification, state license number and state of licensure. The following information regarding the scope of practice of this provider is available:

No. Taxonomy Code Taxonomy Clasification Taxonomy Specialization License Number License State Primary
1170100000XMedical Genetics, Ph.D. Medical GeneticsYes

What is NPI?

NPI stands for National Provider Identifier. The NPI is a 10-digit identification number that is completely unique. The NPI number by itself does not contain any identifiable information such as a provider’s speciality or location. The NPI is assigned to individuals or organizacions for their lifespan and it is independent of key provider information type updates like a change of practices, location or speciality.

This page was last updated on: 11/21/2025

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