Basic Information
Provider Information
NPI: 1861445017
EntityType: 1
ReplacementNPI:  
OrganizationName:  
LastName: NGUYEN
FirstName: WILLIAM
MiddleName: TOAN
NamePrefix: DR.
NameSuffix:  
Credential: M.D.
OtherOrganizationName:  
OtherOrganizationType:  
OtherLastName:  
OtherFirstName:  
OtherMiddleName:  
OtherNamePrefix:  
OtherNameSuffix:  
OtherCredential:  
OtherLastNameType:  
Mailing Information
Address1: 125 16TH AVE E
Address2:  
City: SEATTLE
State: WA
PostalCode: 981125211
CountryCode: US
TelephoneNumber: 2063263000
FaxNumber: 2063262785
Practice Location
Address1: 760 N SHILOH RD
Address2:  
City: GARLAND
State: TX
PostalCode: 750425714
CountryCode: US
TelephoneNumber: 9722724463
FaxNumber: 9722727137
Other Information
ProviderEnumerationDate: 05/18/2006
LastUpdateDate: 03/23/2022
NPIDeactivationReasonCode:  
NPIDeactivationDate:  
NPIReactivationDate:  
ProviderGenderCode: M
AuthorizedOfficialLastName:  
AuthorizedOfficialFirstName:  
AuthorizedOfficialMiddleName:  
AuthorizedOfficialTitleorPosition:  
AuthorizedOfficialTelephone:  
IsSoleProprietor: N
IsOrganizationSubpart:  
ParentOrganizationLBN:  
AuthorizedOfficialNamePrefix:  
AuthorizedOfficialNameSuffix:  
AuthorizedOfficialCredential:  
NPICertificationDate: 03/23/2022

Taxonomy Information
TaxonomyLicenseStateSwitchTaxonomyGroupTaxonomyTypeTaxonomyClassSubSpecialty
207K00000XL5849TXN Allopathic & Osteopathic PhysiciansAllergy & Immunology 
207K00000XMD61174262WAY Allopathic & Osteopathic PhysiciansAllergy & Immunology 

No ID Information.


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