Individual provider · Type 1 NPI

Joseph Guan, MD, MPH

Internal Medicine Physician · Chicago, IL

NPI number 1154986404 Active

Practice location

259 E Erie St Ste 2330
Chicago, IL 60611-3926

Call (312) 926-6000 Map

Fax (312) 926-5971

Other practice locations

1950 W Polk St Ste 5210, Chicago, IL 60612-3723 · (312) 864-4462
600 S Paulina St, Chicago, IL 60612-3806 · (312) 942-7100
3700 W 203rd St Ste 301, Olympia Fields, IL 60461-1182 · (708) 679-2850

Specialties and licenses

Taxonomy	Code	License
Internal Medicine Physician	207R00000X	125-077739 (IL)
Internal Medicine Physician Primary	207R00000X	036168139 (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 1154986404

Joseph Guan, MD, MPH's National Provider Identifier is 1154986404, issued on May 2, 2019. The primary taxonomy on file is Internal Medicine Physician (207R00000X), and the practice location is in Chicago, IL. The record was last updated on Sep 15, 2026.