Individual provider · Type 1 NPI

James Ruska, DO

Hospitalist Physician · Chicago, IL

NPI number 1801410022 Active

Practice location

5145 N California Ave
Chicago, IL 60625-3687

Call (773) 878-8200 Map

Mailing address

2650 Ridge Ave Ste 1223
Evanston, IL 60201-1700

Specialties and licenses

TaxonomyCodeLicense
Internal Medicine Physician 207R00000X036166143 (IL)
Hospitalist Physician Primary 208M00000X036166143 (IL)

Hospitalist Physician: Hospitalists are physicians whose primary professional focus is the general medical care of hospitalized patients. Their activities include patient care, teaching, research, and leadership related to Hospital Medicine. The term 'hospitalist' refers to physicians whose practice emphasizes providing care for hospitalized patients.

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About NPI 1801410022

James Ruska, DO's National Provider Identifier is 1801410022, issued on Jun 3, 2020. The primary taxonomy on file is Hospitalist Physician (208M00000X), and the practice location is in Chicago, IL. The record was last updated on Aug 21, 2026.