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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. David Stewart
🩺
MDI

David Stewart, MD

NPI: 1417916131
Newark, NJ
10 years of data
Internal Medicine
$323.3K
Total Payments
4.2K
Beneficiaries
11.4K
Services
1.98x
Markup Ratio

Peer Comparison

87th
percentile in specialty
This provider$323.3K
Specialty median$84.0K

📋 Key Findings

1Billed $323.3K over 10 years
21.98x markup ratio
3AI fraud probability: 89.6%
🤖

AI Risk Assessment

Rank #247 of 500
89.6%fraud probability
Low riskMediumHigh risk

Risk Factors

Matches confirmed fraud profile

What this means

Our machine learning model analyzed billing patterns, service volumes, markup ratios, and peer comparisons to estimate a 89.6% probability that this provider's billing patterns are consistent with known fraud cases. This is ranked #247 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 $323.3K in total Medicare payments ranks in the 87th percentile of Internal Medicine providers nationally.

Medicare payments to this provider grew 116% 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
$69.1K
2.1K services$33.39/svc1.82x markup
99214Office visit, established patient, moderate complexity
$62.2K
1.9K services$33.39/svc1.96x markup
99215Office visit, established patient, high complexity
$55.3K
1.7K services$33.38/svc1.72x markup
99232Subsequent hospital care, moderate complexity
$48.4K
1.4K services$33.38/svc2.05x markup
99233Subsequent hospital care, high complexity
$41.5K
1.2K services$33.40/svc1.96x markup
93000Electrocardiogram, complete
$34.6K
1.0K services$33.40/svc2.32x markup
71046Chest X-ray, 2 views
$27.7K
828 services$33.40/svc2.10x markup
80053Comprehensive metabolic panel
$20.7K
621 services$33.40/svc2.36x markup
85025Complete blood count with differential
$13.8K
414 services$33.40/svc2.02x markup
36415Venipuncture for blood draw
$6.9K
207 services$33.41/svc1.70x markup
Show detailed table ▾
CodeDescriptionServicesPaymentsAvg/ServiceMarkup
99213Office visit, established patient, low complexity2.1K$69.1K$33.391.82x
99214Office visit, established patient, moderate complexity1.9K$62.2K$33.391.96x
99215Office visit, established patient, high complexity1.7K$55.3K$33.381.72x
99232Subsequent hospital care, moderate complexity1.4K$48.4K$33.382.05x
99233Subsequent hospital care, high complexity1.2K$41.5K$33.401.96x
93000Electrocardiogram, complete1.0K$34.6K$33.402.32x
71046Chest X-ray, 2 views828$27.7K$33.402.10x
80053Comprehensive metabolic panel621$20.7K$33.402.36x
85025Complete blood count with differential414$13.8K$33.402.02x
36415Venipuncture for blood draw207$6.9K$33.411.70x

Markup Analysis

Charge-to-Payment Ratio

1.98x

This provider submits charges 1.98 times higher than what Medicare actually pays.

What This Means

A markup ratio of 1.98x means for every $100 Medicare pays, this provider initially charges $198. This is lower than the national average.

Location

Newark, NJ

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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