Basic Information
Provider Information
NPI: 1700094364
EntityType: 1
ReplacementNPI:  
OrganizationName:  
LastName: GREENFIELD
FirstName: NEAL
MiddleName: STEFAN
NamePrefix: DR.
NameSuffix:  
Credential: MD
OtherOrganizationName:  
OtherOrganizationType:  
OtherLastName:  
OtherFirstName:  
OtherMiddleName:  
OtherNamePrefix:  
OtherNameSuffix:  
OtherCredential:  
OtherLastNameType:  
Mailing Information
Address1: 25 N WINFIELD RD
Address2:  
City: WINFIELD
State: IL
PostalCode: 601901295
CountryCode: US
TelephoneNumber: 6309334700
FaxNumber: 6309334427
Practice Location
Address1: 25 N WINFIELD RD
Address2:  
City: WINFIELD
State: IL
PostalCode: 601901295
CountryCode: US
TelephoneNumber: 6309334700
FaxNumber: 6309334427
Other Information
ProviderEnumerationDate: 05/18/2007
LastUpdateDate: 03/17/2017
NPIDeactivationReasonCode:  
NPIDeactivationDate:  
NPIReactivationDate:  
ProviderGenderCode: M
AuthorizedOfficialLastName:  
AuthorizedOfficialFirstName:  
AuthorizedOfficialMiddleName:  
AuthorizedOfficialTitleorPosition:  
AuthorizedOfficialTelephone:  
IsSoleProprietor: N
IsOrganizationSubpart:  
ParentOrganizationLBN:  
AuthorizedOfficialNamePrefix:  
AuthorizedOfficialNameSuffix:  
AuthorizedOfficialCredential:  
NPICertificationDate:  

Taxonomy Information
TaxonomyLicenseStateSwitchTaxonomyGroupTaxonomyTypeTaxonomyClassSubSpecialty
207R00000X0101242708VAN Allopathic & Osteopathic PhysiciansInternal Medicine 
207R00000XMD 60002695WAN Allopathic & Osteopathic PhysiciansInternal Medicine 
207R00000XMD28328ORN Allopathic & Osteopathic PhysiciansInternal Medicine 
207RC0200X036122989ILY Allopathic & Osteopathic PhysiciansInternal MedicineCritical Care Medicine

ID Information
IDTypeStateIssuerDescription
P0109705101ILRR MEDICARE PTAN (INDIVIDUAL)OTHER
20614712701ILMEDICARE PTAN (INDIVIDUAL)OTHER
CA474801ILRR MEDICARE PTAN (GROUP)OTHER
20614701ILMEDICARE PTAN (GROUP)OTHER
03612298905IL MEDICAID


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