Along with their 10 hospitals and physicians offices, Northwestern Medicine operates a network of urgent care centers across the region.

[1] While not directly operated with Northwestern Medicine, the network maintains close affiliations with the nearby Ann & Robert H. Lurie Children's Hospital of Chicago and the Shirley Ryan AbilityLab, collaborating with them for many of their services.

[4] (incomplete list)[4] Northwestern Memorial Hospital (NMH) is a nationally ranked academic medical center located in the Streeterville neighborhood of Chicago, Illinois.

The hospital provides tertiary-level obstetric, gynecological, and neonatal care to patients from the entire region.

[16] Northwestern Lake Forest Hospital (NLFH) is a community-based hospital in Lake Forest, Illinois, and a wholly owned subsidiary of Northwestern Memorial HealthCare, one of the nation's premiere academic medical centers.

[17] The 201-bed hospital is on a 160-acre (65 ha) campus in Lake Forest and provides a comprehensive array of inpatient and outpatient medical and surgical services.

Marianjoy has a network of inpatient, subacute, and outpatient sites and physician clinics around the Chicago area including Oak Park, Oakbrook Terrace, and Wheaton.