Trends · data through September 2026

Hospitals in Illinois

Iceflower tracks 224 stores from 174 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
174
Tracked stores
224
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 M Mercy Health logo Mercy Health - +0.1%
2 N Northwestern Medicine logo Northwestern Medicine - -0.6%
3 A Advocate Health Care logo Advocate Health Care - -1.3%
4 C Children and Teens Medical Center - -26.9%
5 S Springfield Clinic logo Springfield Clinic - -44.4%
  • Northwestern Medicine
  • Advocate Health Care
  • UI Health
  • Northshore Hospital
  • Lurie Childrens Hospital
  • Riverside Medical Center
  • OSF HealthCare
  • Other tracked chains

Store footprint

Store map

224 tracked store locations in Illinois. The 7 largest tracked chains are highlighted.

  • Northwestern Medicine (18)
  • Advocate Health Care (7)
  • UI Health (2)
  • Northshore Hospital (1)
  • Lurie Childrens Hospital (1)
  • Riverside Medical Center (1)
  • OSF HealthCare (8)
  • Other tracked chains

Top tracked chains by store count

  • 1 N Northwestern Medicine logo Northwestern Medicine 18
  • 2 M Mercy Health logo Mercy Health 9
  • 3 O OSF HealthCare logo OSF HealthCare 8
  • 4 A Advocate Health Care logo Advocate Health Care 7
  • 5 C Children and Teens Medical Center 3
  • 6 S Springfield Clinic logo Springfield Clinic 3
  • 7 U UChicago Medicine at Ingalls logo UChicago Medicine at Ingalls 2
  • 8 M Memorial Hospital 2
  • 9 F Ferrell Hospital 2
  • 10 K KSB Hospital 2
  • 11 G Galilee Medical Center 2
  • 12 E Erie Family Health Center 2
  • 13 A Advocate Christ Medical Center 2
  • 14 U UI Health logo UI Health 2
  • 15 F Franklin Hospital 1
  • 16 S Southtown Medical Center 1
  • 17 M Mirshed Medical Center 1
  • 18 T The Diabetes Health & Wellness Center 1
  • 19 H HSHS St. John's Hospital 1
  • 20 S Summit Medical Center 1
  • 21 W Willowbrook Medical Center 1
  • 22 S South Shore Hospital 1
  • 23 F Fairfield Memorial Hospital 1
  • 24 O OSF Saint Francis Medical Center 1
  • 25 E El Oasis Tropical 1
  • 26 S Salem Township Hospital 1
  • 27 S SwedishAmerican Health System 1
  • 28 U Union Hospital 1
  • 29 I Ingalls Memorial Hospital 1
  • 30 I Instep Podiatry 1
  • 31 D DuPage Immediate Care 1
  • 32 A Aurora Medical Center logo Aurora Medical Center 1
  • 33 N Northshore Hospital 1
  • 34 B Broadway Medical Center 1
  • 35 G Good Shepherd Hospital MSICU 1
  • 36 N Northwestern Medicine Valley West Hospital 1
  • 37 R Rosalind Franklin Univ Health System 1
  • 38 H Hope Center 1
  • 39 S Shriners Hospitals for Children 1
  • 40 O OSF St Joseph Medical Center 1
  • 41 S Springfield Memorial Hospital 1
  • 42 A Anderson Hospital 1
  • 43 L Loretto Hospital 1
  • 44 O OSF Sacred Heart Medical Center 1
  • 45 N Northwestern Medicine Delnor Hospital 1
  • 46 V Veterans Affairs Illiana Medical Center 1
  • 47 P Provident Hospital 1
  • 48 S SIH Herrin Hospital 1
  • 49 N Northside Medical Center 1
  • 50 K Kirby Medical Center 1

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