Basic Information
Provider Information
NPI: 1417941600
EntityType: 1
ReplacementNPI:  
OrganizationName:  
LastName: WILLIS
FirstName: GREGORY
MiddleName: S
NamePrefix:  
NameSuffix:  
Credential: M.D.
OtherOrganizationName:  
OtherOrganizationType:  
OtherLastName:  
OtherFirstName:  
OtherMiddleName:  
OtherNamePrefix:  
OtherNameSuffix:  
OtherCredential:  
OtherLastNameType:  
Mailing Information
Address1: 6489 SW BORLAND RD
Address2:  
City: TUALATIN
State: OR
PostalCode: 970629798
CountryCode: US
TelephoneNumber: 5036924843
FaxNumber: 5036926543
Practice Location
Address1: 6489 SW BORLAND RD
Address2:  
City: TUALATIN
State: OR
PostalCode: 970629798
CountryCode: US
TelephoneNumber: 5036924843
FaxNumber: 5036926543
Other Information
ProviderEnumerationDate: 09/02/2005
LastUpdateDate: 07/16/2008
NPIDeactivationReasonCode:  
NPIDeactivationDate:  
NPIReactivationDate:  
ProviderGenderCode: M
AuthorizedOfficialLastName:  
AuthorizedOfficialFirstName:  
AuthorizedOfficialMiddleName:  
AuthorizedOfficialTitleorPosition:  
AuthorizedOfficialTelephone:  
IsSoleProprietor: N
IsOrganizationSubpart:  
ParentOrganizationLBN:  
AuthorizedOfficialNamePrefix:  
AuthorizedOfficialNameSuffix:  
AuthorizedOfficialCredential:  
NPICertificationDate:  

Taxonomy Information
TaxonomyLicenseStateSwitchTaxonomyGroupTaxonomyTypeTaxonomyClassSubSpecialty
2085R0001XMD28019ORY Allopathic & Osteopathic PhysiciansRadiologyRadiation Oncology
2471R0002XMD28019ORN Technologists, Technicians & Other Technical Service ProvidersRadiologic TechnologistRadiation Therapy

ID Information
IDTypeStateIssuerDescription
03313801501ORREGENCE BCBSOTHER
14083801ORMEDICARE PTANOTHER


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