Basic Information
Provider Information
NPI: 1497744247
EntityType: 1
ReplacementNPI:  
OrganizationName:  
LastName: O'BRIEN
FirstName: MARK
MiddleName:  
NamePrefix:  
NameSuffix:  
Credential: D.O.
OtherOrganizationName:  
OtherOrganizationType:  
OtherLastName:  
OtherFirstName:  
OtherMiddleName:  
OtherNamePrefix:  
OtherNameSuffix:  
OtherCredential:  
OtherLastNameType:  
Mailing Information
Address1: 2604 EL CAMINO REAL
Address2: SUITE 392
City: CARLSBAD
State: CA
PostalCode: 920081205
CountryCode: US
TelephoneNumber: 8772868459
FaxNumber: 7604396581
Practice Location
Address1: 3156 VISTA WAY
Address2: SUITE 405
City: OCEANSIDE
State: CA
PostalCode: 920563622
CountryCode: US
TelephoneNumber: 7604396581
FaxNumber: 7607696585
Other Information
ProviderEnumerationDate: 10/14/2005
LastUpdateDate: 12/13/2010
NPIDeactivationReasonCode:  
NPIDeactivationDate:  
NPIReactivationDate:  
ProviderGenderCode: M
AuthorizedOfficialLastName:  
AuthorizedOfficialFirstName:  
AuthorizedOfficialMiddleName:  
AuthorizedOfficialTitleorPosition:  
AuthorizedOfficialTelephone:  
IsSoleProprietor: N
IsOrganizationSubpart:  
ParentOrganizationLBN:  
AuthorizedOfficialNamePrefix:  
AuthorizedOfficialNameSuffix:  
AuthorizedOfficialCredential:  
NPICertificationDate:  

Taxonomy Information
TaxonomyLicenseStateSwitchTaxonomyGroupTaxonomyTypeTaxonomyClassSubSpecialty
174400000X20A6017CAY Other Service ProvidersSpecialist 

No ID Information.


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