Trends · data through September 2026

Hospitals in Illinois

Iceflower tracks 235 stores from 183 hospital chains in Illinois. 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
183
Tracked stores
235
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 - +12.0%
2 Northwestern Medicine - +0.7%
3 Advocate Health Care - +0.4%
4 Children and Teens Medical Center - -34.7%
5 Springfield Clinic - -41.7%
  • Northwestern Medicine
  • Advocate Health Care
  • UI Health
  • Lurie Childrens Hospital
  • Northshore Hospital
  • Riverside Medical Center
  • Edward Healthcare Center
  • Other tracked chains

Store footprint

Store map

235 tracked store locations in Illinois. The 7 largest tracked chains are highlighted. The top 5 chains by store count run 45 of the 235 stores (19%); 167 of the 183 tracked chains have a single store here. 2% of the tracked health & beauty stores here are hospitals, the same share as across the United States.

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

Top tracked chains by store count

  • 1 Northwestern Medicine 19
  • 2 OSF HealthCare 8
  • 3 Mercy Health 8
  • 4 Advocate Health Care 7
  • 5 Children and Teens Medical Center 3
  • 6 Springfield Clinic 3
  • 7 Erie Family Health Center 2
  • 8 KSB Hospital 2
  • 9 Ferrell Hospital 2
  • 10 Memorial Hospital 2
  • 11 Galilee Medical Center 2
  • 12 Mercy 2
  • 13 Advocate Christ Medical Center 2
  • 14 UChicago Medicine at Ingalls 2
  • 15 Ascension Saint Joseph - Joliet 2
  • 16 UI Health 2
  • 17 Hope Center 1
  • 18 Franklin Hospital 1
  • 19 HSHS St. John's Hospital 1
  • 20 Fairfield Memorial Hospital 1
  • 21 Ingalls Memorial Hospital 1
  • 22 South Shore Hospital 1
  • 23 El Oasis Tropical 1
  • 24 Cook County Hospital 1
  • 25 Salem Township Hospital 1
  • 26 Kildare Clinic 1
  • 27 DuPage Immediate Care 1
  • 28 Family Med Center 1
  • 29 Northcenter Healthcare 1
  • 30 Aurora Medical Center 1
  • 31 North Lake Cardiovascular Center 1
  • 32 Instep Podiatry 1
  • 33 Marshall Browning Hospital 1
  • 34 Union Hospital 1
  • 35 Lincoln Medical Center 1
  • 36 Anderson Hospital 1
  • 37 OSF Sacred Heart Medical Center 1
  • 38 SwedishAmerican Health System 1
  • 39 Northwestern Medicine Urology McHenry 1
  • 40 Provident Hospital 1
  • 41 Southtown Medical Center 1
  • 42 Mirshed Medical Center 1
  • 43 Springfield Memorial Hospital 1
  • 44 SIH Herrin Hospital 1
  • 45 Northwestern Medicine Delnor Hospital 1
  • 46 Kirby Medical Center 1
  • 47 Veterans Affairs Illiana Medical Center 1
  • 48 Summit Medical Center 1
  • 49 OSF St Joseph Medical Center 1
  • 50 Shriners Hospitals for Children 1

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