Trends · data through September 2026

Hospitals in Chicago-Naperville-Elgin, IL-IN

Iceflower tracks 173 stores from 132 hospital chains in Chicago-Naperville-Elgin, IL-IN. Mercy Health grew fastest over the last year, ahead of Northwestern Medicine and Advocate Health Care.

Rankings come from real card and bank transactions across a panel of 130M+ US and EU consumers. We publish relative growth and rankings, never revenue figures. About the data

Tracked chains
132
Tracked stores
173
Consumer panel
130M+

Growth ranking

Fastest-growing tracked hospital chains

Ranked by year-over-year growth of share of tracked local spend. Arrows show movement in the rankings since last year. Each dot in the chart is one tracked chain: bigger market position to the right, faster growth higher up, more tracked stores in a bigger dot. Colors match the store map below. Mercy Health and Northwestern Medicine sit in the high-growth half.

# Chain YoY growth
RankChainRank movementYoY growth
1 Mercy Health - +14.2%
2 Northwestern Medicine - +1.4%
3 Advocate Health Care - +1.1%
4 Children and Teens Medical Center - -34.2%
5 Franciscan Health System - -49.9%
  • Northwestern Medicine
  • Advocate Health Care
  • UI Health
  • Lurie Childrens Hospital
  • Northshore Hospital
  • Edward Healthcare Center
  • Central DuPage Hospital
  • Other tracked chains

Store footprint

Store map

173 tracked store locations in Chicago-Naperville-Elgin, IL-IN. The 7 largest tracked chains are highlighted. The top 5 chains by store count run 36 of the 173 stores (21%); 118 of the 132 tracked chains have a single store here. 1% of the tracked health & beauty stores here are hospitals, against 2% across Illinois.

  • Northwestern Medicine (19)
  • Advocate Health Care (7)
  • UI Health (2)
  • Lurie Childrens Hospital (1)
  • Northshore Hospital (1)
  • Edward Healthcare Center (1)
  • Central DuPage Hospital (1)
  • Other tracked chains

Top tracked chains by store count

  • 1 Northwestern Medicine 19
  • 2 Advocate Health Care 7
  • 3 Franciscan Health System 4
  • 4 Methodist Hospitals 3
  • 5 Mercy Health 3
  • 6 Children and Teens Medical Center 3
  • 7 Erie Family Health Center 2
  • 8 Mercy 2
  • 9 Ascension Saint Joseph - Joliet 2
  • 10 Galilee Medical Center 2
  • 11 UI Health 2
  • 12 Porter Physician Group 2
  • 13 UChicago Medicine at Ingalls 2
  • 14 Advocate Christ Medical Center 2
  • 15 Provident Hospital 1
  • 16 Southtown Medical Center 1
  • 17 Mirshed Medical Center 1
  • 18 Northwestern Medicine Delnor Hospital 1
  • 19 Summit Medical Center 1
  • 20 Northside Medical Center 1
  • 21 Northwest Health Porter Regional Hospital 1
  • 22 Children's Healthcare 1
  • 23 Willowbrook Medical Center 1
  • 24 Ingalls Memorial Hospital 1
  • 25 South Shore Hospital 1
  • 26 El Oasis Tropical 1
  • 27 St Joseph Hospital Psychiatric Center 1
  • 28 Northwestern Medicine Urology McHenry 1
  • 29 Community Cancer Research Foundation 1
  • 30 Shriners Hospitals for Children 1
  • 31 Loretto Hospital 1
  • 32 Hope Center 1
  • 33 Valley West Community Hospital 1
  • 34 Rosalind Franklin Univ Health System 1
  • 35 Access At Northwest Co 1
  • 36 UChicago Medicine Transplant Evaluation 1
  • 37 Nowak Medical Center 1
  • 38 Head/Heart Therapy 1
  • 39 Chicago Integrative Eczema Center 1
  • 40 Good Shepherd Hospital MSICU 1
  • 41 Outpatient Clinic 1
  • 42 Kindred Hospital Sycamore 1
  • 43 Community Stroke And Rehabilitation Center 1
  • 44 Community Care Network 1
  • 45 UChicago Medicine Center for Care and Discovery 1
  • 46 Kindred Hospital Chicago Northlake 1
  • 47 Rush Hospital 1
  • 48 Saint Bernard Hospital 1
  • 49 Harvey Medical Center 1
  • 50 Franciscan Outpatient Pharmacy 1

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