Basic Information
Provider Information
NPI: 1356785604
EntityType: 1
ReplacementNPI:  
OrganizationName:  
LastName: JOHNSTON
FirstName: ALEXANDER
MiddleName: MICHAEL
NamePrefix: DR.
NameSuffix:  
Credential: M.D.
OtherOrganizationName:  
OtherOrganizationType:  
OtherLastName:  
OtherFirstName:  
OtherMiddleName:  
OtherNamePrefix:  
OtherNameSuffix:  
OtherCredential:  
OtherLastNameType:  
Mailing Information
Address1: 220 CAMPUS BLVD STE 100
Address2:  
City: WINCHESTER
State: VA
PostalCode: 226012896
CountryCode: US
TelephoneNumber: 5405365100
FaxNumber: 5405360235
Practice Location
Address1: 190 CAMPUS BLVD STE 310
Address2:  
City: WINCHESTER
State: VA
PostalCode: 226012872
CountryCode: US
TelephoneNumber: 5405360130
FaxNumber: 5405360140
Other Information
ProviderEnumerationDate: 04/17/2013
LastUpdateDate: 06/10/2021
NPIDeactivationReasonCode:  
NPIDeactivationDate:  
NPIReactivationDate:  
ProviderGenderCode: M
AuthorizedOfficialLastName:  
AuthorizedOfficialFirstName:  
AuthorizedOfficialMiddleName:  
AuthorizedOfficialTitleorPosition:  
AuthorizedOfficialTelephone:  
IsSoleProprietor: Y
IsOrganizationSubpart:  
ParentOrganizationLBN:  
AuthorizedOfficialNamePrefix:  
AuthorizedOfficialNameSuffix:  
AuthorizedOfficialCredential:  
NPICertificationDate: 06/10/2021

Taxonomy Information
TaxonomyLicenseStateSwitchTaxonomyGroupTaxonomyTypeTaxonomyClassSubSpecialty
208600000X0101266985VAY Allopathic & Osteopathic PhysiciansSurgery 
390200000X  N Student, Health CareStudent in an Organized Health Care Education/Training Program 

ID Information
IDTypeStateIssuerDescription
010126698501VASTATE LICENSEOTHER


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