Basic Information
Provider Information
NPI: 1891795001
EntityType: 1
ReplacementNPI:  
OrganizationName:  
LastName: GEYER
FirstName: CHARLES
MiddleName: E
NamePrefix: DR.
NameSuffix: JR.
Credential: MD
OtherOrganizationName:  
OtherOrganizationType:  
OtherLastName:  
OtherFirstName:  
OtherMiddleName:  
OtherNamePrefix:  
OtherNameSuffix:  
OtherCredential:  
OtherLastNameType:  
Mailing Information
Address1: 6445 MAIN ST FL 24
Address2:  
City: HOUSTON
State: TX
PostalCode: 770301502
CountryCode: US
TelephoneNumber: 7134419948
FaxNumber: 7134418791
Practice Location
Address1: 6445 MAIN ST FL 24
Address2:  
City: HOUSTON
State: TX
PostalCode: 770301502
CountryCode: US
TelephoneNumber: 7134419948
FaxNumber: 7134418791
Other Information
ProviderEnumerationDate: 07/29/2005
LastUpdateDate: 06/23/2020
NPIDeactivationReasonCode:  
NPIDeactivationDate:  
NPIReactivationDate:  
ProviderGenderCode: M
AuthorizedOfficialLastName:  
AuthorizedOfficialFirstName:  
AuthorizedOfficialMiddleName:  
AuthorizedOfficialTitleorPosition:  
AuthorizedOfficialTelephone:  
IsSoleProprietor: N
IsOrganizationSubpart:  
ParentOrganizationLBN:  
AuthorizedOfficialNamePrefix:  
AuthorizedOfficialNameSuffix:  
AuthorizedOfficialCredential:  
NPICertificationDate: 06/23/2020

Taxonomy Information
TaxonomyLicenseStateSwitchTaxonomyGroupTaxonomyTypeTaxonomyClassSubSpecialty
207R00000XF6662TXN Allopathic & Osteopathic PhysiciansInternal Medicine 
207RH0003X0101254387VAN Allopathic & Osteopathic PhysiciansInternal MedicineHematology & Oncology
207RX0202XMD419017PAN Allopathic & Osteopathic PhysiciansInternal MedicineMedical Oncology
207RH0003XF6662TXY Allopathic & Osteopathic PhysiciansInternal MedicineHematology & Oncology

ID Information
IDTypeStateIssuerDescription
20256940605TX MEDICAID
234233405OH MEDICAID
001915740000105PA MEDICAID
381001110805WV MEDICAID
90576301TXMEDICARE NUMBER INDOTHER


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