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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. Providers
  3. Carl Johnson
🩺
MDI

Carl Johnson, MD

NPI: 1275525701
Chicago, IL
10 years of data
Internal Medicine
$653.0K
Total Payments
6.9K
Beneficiaries
14.5K
Services
2.81x
Markup Ratio

Peer Comparison

94th
percentile in specialty
This provider$653.0K
Specialty median$84.0K

📋 Key Findings

1Billed $653.0K over 10 years
22.81x markup ratio (above median)
3AI fraud probability: 92.3%
494th percentile in Internal Medicine by payments
55 procedures with >3x markup
🤖

AI Risk Assessment

Rank #87 of 500
92.3%fraud probability
Low riskMediumHigh risk

Risk Factors

High markup ratio

What this means

Our machine learning model analyzed billing patterns, service volumes, markup ratios, and peer comparisons to estimate a 92.3% probability that this provider's billing patterns are consistent with known fraud cases. This is ranked #87 out of 500 highest-risk providers analyzed. This is a statistical prediction, not a determination of fraud.

View all ML-flagged providers →Methodology →

ML model prediction — not an accusation of fraud

🔎 Data Analysis

This provider's $653.0K in total Medicare payments ranks in the 94th percentile of Internal Medicine providers nationally.

Medicare payments to this provider grew 105% from 2014 to 2023.

AI-generated analysis based on Medicare payment data.

Annual Medicare Payments

Annual Services Provided

Avg Payment per Service

Top Procedures (10)

99213Office visit, established patient, low complexity
$141.3K
2.7K services$52.41/svc2.58x markup
99214Office visit, established patient, moderate complexity⚠ 3.1x markup
$127.2K
2.4K services$52.41/svc3.10x markup
99215Office visit, established patient, high complexity
$113.1K
2.2K services$52.42/svc2.39x markup
99232Subsequent hospital care, moderate complexity⚠ 3.3x markup
$98.9K
1.9K services$52.40/svc3.27x markup
99233Subsequent hospital care, high complexity⚠ 3.1x markup
$84.8K
1.6K services$52.41/svc3.15x markup
93000Electrocardiogram, complete⚠ 3.0x markup
$70.7K
1.3K services$52.42/svc3.01x markup
71046Chest X-ray, 2 views⚠ 3.1x markup
$56.5K
1.1K services$52.40/svc3.11x markup
80053Comprehensive metabolic panel
$42.4K
809 services$52.41/svc2.33x markup
85025Complete blood count with differential
$28.3K
539 services$52.44/svc2.81x markup
36415Venipuncture for blood draw
$14.1K
270 services$52.35/svc2.75x markup
Show detailed table ▾
CodeDescriptionServicesPaymentsAvg/ServiceMarkup
99213Office visit, established patient, low complexity2.7K$141.3K$52.412.58x
99214Office visit, established patient, moderate complexity2.4K$127.2K$52.413.10x
99215Office visit, established patient, high complexity2.2K$113.1K$52.422.39x
99232Subsequent hospital care, moderate complexity1.9K$98.9K$52.403.27x
99233Subsequent hospital care, high complexity1.6K$84.8K$52.413.15x
93000Electrocardiogram, complete1.3K$70.7K$52.423.01x
71046Chest X-ray, 2 views1.1K$56.5K$52.403.11x
80053Comprehensive metabolic panel809$42.4K$52.412.33x
85025Complete blood count with differential539$28.3K$52.442.81x
36415Venipuncture for blood draw270$14.1K$52.352.75x

Markup Analysis

Charge-to-Payment Ratio

2.81x

This provider submits charges 2.81 times higher than what Medicare actually pays.

What This Means

A markup ratio of 2.81x means for every $100 Medicare pays, this provider initially charges $281. 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.

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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.

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