OpenMedicare
Start Here
Explore
Fraud
Investigations
Data
Tools
About

Footer

OpenMedicare

Independent Medicare data journalism

Sister Sites

  • OpenMedicaid
  • OpenFeds
  • OpenSpending

Explore

  • Providers
  • Procedures
  • States
  • Specialties
  • Search

Fraud Analysis

  • Still Out There (AI)
  • Fraud Overview
  • Fraud Watchlist
  • Deep Dive Profiles
  • Impossible Numbers
  • Report Fraud

Investigations

  • The Algorithm Knows
  • How We Built the Model
  • Internal Medicine Crisis
  • Florida & California Fraud
  • Million Dollar Flagged
  • All Investigations

Tools

  • Provider Lookup
  • Compare
  • Cost Calculator
  • Your Medicare Dollar
  • Downloads

About

  • About OpenMedicare
  • Methodology
  • Glossary
  • Data Sources
  • API Docs
  • Updates
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.
Sister Sites: OpenMedicaid · OpenFeds · OpenSpending

© 2026 OpenMedicare. Independent data journalism. Built by TheDataProject.ai

Methodology•Download Data
  1. Home
  2. Providers
  3. City Of Chicago
⚕️
Organization

City Of Chicago

NPI: 1376554592
Chicago, IL
10 years of data
Ambulance Service Provider
$125.4M
Total Payments
40
Beneficiaries
1.1M
Services
4.81x
Markup Ratio

Peer Comparison

99th
percentile in specialty
This provider$125.4M
Specialty median$479.2K
Rank #16 of 218 in specialty

📋 Key Findings

1Billed $125.4M over 10 years
24.81x markup ratio (above median)
3Risk score: 66 — flagged for review
499th percentile in Ambulance Service Provider by payments
54 procedures with >3x markup

⚠️ Flagged for Review

Risk Score: 66
  • 89x specialty median spending
  • Markup 6.0x (specialty median: 2.6x)
  • 119x specialty median beneficiaries
  • 26x specialty median services
View Deep Dives →Report Fraud →

Statistical flag only — not an accusation of fraud

🔎 Data Analysis

This provider's $125.4M in total Medicare payments ranks in the 99th percentile of Ambulance Service Provider providers nationally.

74% of their billing comes from a single procedure code (A0427 — Ambulance service, advanced life support, emergency transport, level 1 (als 1 - emergency)).

This provider has been statistically flagged with a risk score of 66/100. Statistical flags are not accusations of fraud.

AI-generated analysis based on Medicare payment data.

Annual Medicare Payments

Annual Services Provided

Avg Payment per Service

Markup Ratio Over Time

Submitted Charges vs. Medicare Payments

Average per-service amounts submitted by the provider compared to what Medicare actually paid — the gap represents the markup.

YearAvg SubmittedAvg PaidMarkup RatioGap per ServiceTotal PaymentsServicesBeneficiaries
2014$353.45$109.603.22x$243.85$15.3M139.7K4
2015$359.43$112.903.18x$246.53$14.2M125.7K4
2016$356.31$111.023.21x$245.29$13.7M123.6K4
2017$356.54$114.013.13x$242.53$12.8M112.6K4
2018$364.80$117.183.11x$247.62$12.5M107.0K4
2019$361.99$120.353.01x$241.64$10.7M88.8K4
2020$902.41$122.517.37x$779.90$11.0M89.5K4
2021$872.49$120.057.27x$752.44$11.5M95.7K4
2022$1.0K$122.248.44x$909.49$11.5M93.8K4
2023$1.0K$134.097.61x$885.96$12.2M91.0K4

Top Procedures (4)

A0427Ambulance service, advanced life support, emergency transport, level 1 (als 1 - emergency)⚠ 5.0x markup
$93.1M
262.4K services$354.70/svc4.98x markup
A0429Ambulance service, basic life support, emergency transport (bls-emergency)⚠ 4.6x markup
$25.6M
87.9K services$291.04/svc4.56x markup
A0425Ground mileage, per statute mile⚠ 3.6x markup
$4.2M
712.2K services$5.91/svc3.57x markup
A0433Advanced life support, level 2 (als 2)⚠ 3.5x markup
$2.5M
5.0K services$511.45/svc3.53x markup
Show detailed table ▾
CodeDescriptionServicesPaymentsAvg/ServiceMarkup
A0427Ambulance service, advanced life support, emergency transport, level 1 (als 1 - emergency)262.4K$93.1M$354.704.98x
A0429Ambulance service, basic life support, emergency transport (bls-emergency)87.9K$25.6M$291.044.56x
A0425Ground mileage, per statute mile712.2K$4.2M$5.913.57x
A0433Advanced life support, level 2 (als 2)5.0K$2.5M$511.453.53x

Markup Analysis

Charge-to-Payment Ratio

4.81x

This provider submits charges 4.81 times higher than what Medicare actually pays.

What This Means

A markup ratio of 4.81x means for every $100 Medicare pays, this provider initially charges $481. This is higher than the national average.

Location

Chicago, IL

Provider Verification

Always verify provider credentials and location before scheduling appointments. This data reflects Medicare payments and may not include all practice locations.

Similar Providers

Other Ambulance Service Provider providers in IL for peer comparison.

City Of Chicago (you)
$125.4M
Superior Air-Ground Ambulance Service, Inc⚠️
$161.8M
Elite Medical Transportation Llc⚠️
$115.5M
Peoria Hospital's Mobile Medical Services
$43.4M
Lifeline Ambulance Llc
$33.6M
Show detailed table ▾
ProviderLocationTotal PaymentsStatus
Superior Air-Ground Ambulance Service, IncElmhurst, IL$161.8M⚠️ Flagged
Elite Medical Transportation LlcMokena, IL$115.5M⚠️ Flagged
Peoria Hospital's Mobile Medical ServicesPeoria, IL$43.4M✓ Clear
Lifeline Ambulance LlcSkokie, IL$33.6M✓ Clear

Related

Browse
← Back to Provider Directory
State
All providers in IL →
Specialty
All Ambulance Service Provider providers →
Tool
Compare this provider →
Analysis
Fraud Watchlist →
Search
Search all providers →

Share This Provider

Share this provider's Medicare payment information

Share:

Data Sources

  • • Centers for Medicare & Medicaid Services (CMS)
  • • Medicare Provider Utilization and Payment Data (2014-2023)
  • • National Plan and Provider Enumeration System (NPPES)

Last Updated: February 2026 (data through 2023, the latest CMS release)

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

Believe this data is inaccurate? Dispute this data