Provider Demographics
NPI:1376572891
Name:O'BRIEN, JOHN M (MD)
Entity Type:Individual
Prefix:DR
First Name:JOHN
Middle Name:M
Last Name:O'BRIEN
Suffix:
Gender:M
Credentials:MD
Other - Prefix:
Other - First Name:
Other - Middle Name:
Other - Last Name:
Other - Suffix:
Other - Last Name Type:
Other - Credentials:
Mailing Address - Street 1:1901 W HARRISON ST
Mailing Address - Street 2:
Mailing Address - City:CHICAGO
Mailing Address - State:IL
Mailing Address - Zip Code:60612-3714
Mailing Address - Country:US
Mailing Address - Phone:312-864-6000
Mailing Address - Fax:
Practice Address - Street 1:1901 W HARRISON ST
Practice Address - Street 2:
Practice Address - City:CHICAGO
Practice Address - State:IL
Practice Address - Zip Code:60612-3714
Practice Address - Country:US
Practice Address - Phone:312-864-6000
Practice Address - Fax:
Is Sole Proprietor?:No
Enumeration Date:2006-06-30
Last Update Date:2021-04-28
Deactivation Date:
Deactivation Code:
Reactivation Date:
Provider Licenses
StateLicense IDTaxonomies
IL036082069207R00000X
Provider Taxonomies
Primary?CodeTypeClassificationSpecialization
Yes207R00000XAllopathic & Osteopathic PhysiciansInternal Medicine
Provider Identifiers
StateIdentifier IDID TypeIssuer
ILG19604Medicare UPIN