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Data Sources: Centers for Medicare & Medicaid Services (CMS), Medicare Provider Utilization and Payment Data
Disclaimer: This site is an independent journalism project. Data analysis and editorial content are not affiliated with or endorsed by CMS or any government agency. All spending figures are based on publicly available Medicare payment records.
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Methodology•Download Data
  1. Home
  2. States
  3. Illinois vs California

Illinois vs California Medicare Spending

Side-by-side comparison of Medicare provider payments between Illinois and California

Illinois
California
Total Medicare Payments
$35.4B
$93.2B
↓ 62.0% difference
Total Providers
436.3K
838.7K
↓ 48.0% difference
Avg Payment per Provider
$81.1K
$111.1K
↓ 27.0% difference
Markup Ratio
3.96x
3.68x
↑ 7.8% difference
Total Services
1.0B
2.4B
↓ 56.1% difference
Avg Payment per Service
$66.18
$73.48
↓ 9.9% difference

Key Insights

  • •California has $57.8B more in total Medicare payments than Illinois.
  • •Providers in California average $30.1K more per provider than Illinois.
  • •Illinois has a higher markup ratio (3.96x vs 3.68x), meaning providers charge more relative to what Medicare pays.

Flagged Providers in Illinois

Quest Diagnostics Llc Il
Clinical Laboratory
$40.2M
Risk: 85
Rahul Khapekar
Family Practice
$5.2M
Risk: 83
Superior Air-Ground Ambulance Service, Inc
Ambulance Service Provider
$16.1M
Risk: 76
Amanda Mckee
Nurse Practitioner
$5.5M
Risk: 76
Rajesh Iyengar
Family Practice
$1.2M
Risk: 76

Flagged Providers in California

Merry Taheri
Nurse Practitioner
$12.1M
Risk: 96
Som Kohanzadeh
Plastic and Reconstructive Surgery
$14.7M
Risk: 92
Unilab Corporation
Clinical Laboratory
$94.0M
Risk: 89
Cardionet, Llc.
Independent Diagnostic Testing Facility (IDTF)
$112.2M
Risk: 88
Laboratory Corporation Of America
Clinical Laboratory
$59.8M
Risk: 86

Explore Individual States

View IllinoisView California

Data Sources

  • • Centers for Medicare & Medicaid Services (CMS)
  • • Medicare Provider Utilization and Payment Data (2014-2023)
  • • CMS National Health Expenditure Data

Note: All data is from publicly available Medicare records. OpenMedicare is an independent journalism project not affiliated with CMS.

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