Basic Information
Provider Information
NPI: 1306840111
EntityType: 1
ReplacementNPI:  
OrganizationName:  
LastName: TASSI
FirstName: DOUGLAS
MiddleName: D.
NamePrefix: DR.
NameSuffix:  
Credential: O.D.
OtherOrganizationName:  
OtherOrganizationType:  
OtherLastName:  
OtherFirstName:  
OtherMiddleName:  
OtherNamePrefix:  
OtherNameSuffix:  
OtherCredential:  
OtherLastNameType:  
Mailing Information
Address1: 2501 W 22ND ST
Address2:  
City: SIOUX FALLS
State: SD
PostalCode: 571051305
CountryCode: US
TelephoneNumber: 6053363230
FaxNumber:  
Practice Location
Address1: 2501 W 22ND ST
Address2:  
City: SIOUX FALLS
State: SD
PostalCode: 571051305
CountryCode: US
TelephoneNumber: 6053363230
FaxNumber:  
Other Information
ProviderEnumerationDate: 06/09/2005
LastUpdateDate: 09/04/2008
NPIDeactivationReasonCode:  
NPIDeactivationDate:  
NPIReactivationDate:  
ProviderGenderCode: M
AuthorizedOfficialLastName:  
AuthorizedOfficialFirstName:  
AuthorizedOfficialMiddleName:  
AuthorizedOfficialTitleorPosition:  
AuthorizedOfficialTelephone:  
IsSoleProprietor: N
IsOrganizationSubpart:  
ParentOrganizationLBN:  
AuthorizedOfficialNamePrefix:  
AuthorizedOfficialNameSuffix:  
AuthorizedOfficialCredential:  
NPICertificationDate:  

Taxonomy Information
TaxonomyLicenseStateSwitchTaxonomyGroupTaxonomyTypeTaxonomyClassSubSpecialty
152W00000X1655IAN Eye and Vision Services ProvidersOptometrist 
152W00000X649SDY Eye and Vision Services ProvidersOptometrist 
152W00000XT03000MON Eye and Vision Services ProvidersOptometrist 
152W00000X1131NEN Eye and Vision Services ProvidersOptometrist 

ID Information
IDTypeStateIssuerDescription
29863880005MN MEDICAID
511906505IA MEDICAID
1002503210005NE MEDICAID
4604444740005NE MEDICAID
920075005SD MEDICAID
920075405SD MEDICAID
920075205SD MEDICAID
920075305SD MEDICAID
311906505IA MEDICAID


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