Individual provider · Type 1 NPI

John M. O'Brien, MD

Internal Medicine Physician · Chicago, IL

NPI number 1376572891 Active

Practice location

1901 W Harrison St
Chicago, IL 60612-3714

Call (312) 864-6000 Map

Specialties and licenses

TaxonomyCodeLicense
Internal Medicine Physician Primary 207R00000X036082069 (IL)

Internal Medicine Physician: A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medi…

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About NPI 1376572891

John M. O'Brien, MD's National Provider Identifier is 1376572891, issued on Jun 30, 2006. The primary taxonomy on file is Internal Medicine Physician (207R00000X), and the practice location is in Chicago, IL. The record was last updated on Apr 28, 2021.