Individual provider · Type 1 NPI

Jose R. Castellanos, MD

Internal Medicine Physician · Chicago, IL

NPI number 1245790377 Active

Practice location

303 E Superior St Fl 5
Chicago, IL 60611-3015

Call (312) 908-8163 Map

Mailing address

251 E Huron St
Chicago, IL 60611-2908

Other practice locations

2831 N Harding Ave, Chicago, IL 60618-7213 · (773) 677-1493
55 Fruit St, Boston, MA 02114-2696 · (617) 726-5820
675 N Saint Clair St Ste 18-250, Chicago, IL 60611-5980 · (312) 695-1800

Specialties and licenses

Taxonomy	Code	License
Critical Care Medicine (Internal Medicine) Physician	207RC0200X	036160944 (IL)
Student in an Organized Health Care Education/Training Program	390200000X	None listed
Internal Medicine Physician Primary	207R00000X	036.160944 (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 1245790377

Jose R. Castellanos, MD's National Provider Identifier is 1245790377, issued on Mar 24, 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 May 22, 2025.