Trends · data through September 2026

Hospitals in Chicago-Naperville-Elgin, IL-IN

Iceflower tracks 165 stores from 127 hospital chains in Chicago-Naperville-Elgin, IL-IN. Northwestern Medicine grew fastest over the last year, ahead of Advocate Health Care and Mercy Health.

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
127
Tracked stores
165
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. Northwestern Medicine and Advocate Health Care sit in the high-growth half.

# Chain YoY growth
RankChainRank movementYoY growth
1 N Northwestern Medicine logo Northwestern Medicine - +2.9%
2 A Advocate Health Care logo Advocate Health Care - +2.2%
3 M Mercy Health logo Mercy Health - -9.2%
4 C Children and Teens Medical Center - -24.3%
5 F Franciscan Health System logo Franciscan Health System - -45.1%
  • Northwestern Medicine
  • Advocate Health Care
  • UI Health
  • Northshore Hospital
  • Lurie Childrens Hospital
  • Central DuPage Hospital
  • Dcam Outpatient Pharma
  • Other tracked chains

Store footprint

Store map

165 tracked store locations in Chicago-Naperville-Elgin, IL-IN. The 7 largest tracked chains are highlighted.

  • Northwestern Medicine (18)
  • Advocate Health Care (7)
  • UI Health (2)
  • Northshore Hospital (1)
  • Lurie Childrens Hospital (1)
  • Central DuPage Hospital (1)
  • Dcam Outpatient Pharma (1)
  • Other tracked chains

Top tracked chains by store count

  • 1 N Northwestern Medicine logo Northwestern Medicine 18
  • 2 A Advocate Health Care logo Advocate Health Care 7
  • 3 M Mercy Health logo Mercy Health 4
  • 4 F Franciscan Health System logo Franciscan Health System 4
  • 5 C Children and Teens Medical Center 3
  • 6 U UI Health logo UI Health 2
  • 7 G Galilee Medical Center 2
  • 8 E Erie Family Health Center 2
  • 9 P Porter Physician Group 2
  • 10 M Methodist Hospitals 2
  • 11 A Advocate Christ Medical Center 2
  • 12 U UChicago Medicine at Ingalls logo UChicago Medicine at Ingalls 2
  • 13 L Loretto Hospital 1
  • 14 N Northwestern Medicine Delnor Hospital 1
  • 15 P Provident Hospital 1
  • 16 N Northside Medical Center 1
  • 17 C Children's Healthcare 1
  • 18 N Northwest Health Porter Regional Hospital 1
  • 19 M Mirshed Medical Center 1
  • 20 S Southtown Medical Center 1
  • 21 T The Diabetes Health & Wellness Center 1
  • 22 S Summit Medical Center 1
  • 23 W Willowbrook Medical Center 1
  • 24 S St Joseph Hospital Psychiatric Center 1
  • 25 S Shriners Hospitals for Children 1
  • 26 H Hope Center 1
  • 27 R Rosalind Franklin Univ Health System 1
  • 28 N Northwestern Medicine Valley West Hospital 1
  • 29 G Good Shepherd Hospital MSICU 1
  • 30 B Broadway Medical Center 1
  • 31 A Access At Northwest Co 1
  • 32 C Chicago Integrative Eczema Center 1
  • 33 A AMITA Health Alexian Brothers Behavioral Health Hospital 1
  • 34 J James Lovell Veterans Hospital 1
  • 35 N Nowak Medical Center 1
  • 36 U UChicago Medicine Transplant Evaluation logo UChicago Medicine Transplant Evaluation 1
  • 37 A Ascension Saint Joseph Elgin 1
  • 38 U University of Chicago Medicine logo University of Chicago Medicine 1
  • 39 O Outpatient Clinic 1
  • 40 C Community Stroke And Rehabilitation Center 1
  • 41 C Community Care Network 1
  • 42 R Rehabilitation Specialists of Illinois 1
  • 43 K Kindred Hospital Chicago Northlake 1
  • 44 R Rush Hospital 1
  • 45 L LUMC Inpatient Pharmacy 1
  • 46 F Franciscan Outpatient Pharmacy logo Franciscan Outpatient Pharmacy 1
  • 47 H Harvey Medical Center 1
  • 48 N Northwestern Medicine Kishwaukee Hospital 1
  • 49 A Adventist Health logo Adventist Health 1
  • 50 W West Suburban Medical Center 1

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