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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. Samuel Ngwu
🩺
MDI

Samuel Ngwu, MD

NPI: 1528144706
Houston, TX
10 years of data
Internal Medicine
$175.9K
Total Payments
1.2K
Beneficiaries
3.3K
Services
1.75x
Markup Ratio

Peer Comparison

76th
percentile in specialty
This provider$175.9K
Specialty median$84.0K

📋 Key Findings

1Billed $175.9K over 10 years
21.75x markup ratio
3AI fraud probability: 88.2%
🤖

AI Risk Assessment

Rank #308 of 500
88.2%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 88.2% probability that this provider's billing patterns are consistent with known fraud cases. This is ranked #308 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 $175.9K in total Medicare payments ranks in the 76th percentile of Internal Medicine providers nationally.

Medicare payments to this provider grew 97% 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
$38.3K
622 services$61.63/svc1.74x markup
99214Office visit, established patient, moderate complexity
$34.5K
560 services$61.61/svc1.86x markup
99215Office visit, established patient, high complexity
$30.7K
498 services$61.58/svc1.66x markup
99232Subsequent hospital care, moderate complexity
$26.8K
436 services$61.55/svc2.01x markup
99233Subsequent hospital care, high complexity
$23.0K
373 services$61.67/svc1.41x markup
93000Electrocardiogram, complete
$19.2K
311 services$61.63/svc2.08x markup
71046Chest X-ray, 2 views
$15.3K
249 services$61.58/svc1.44x markup
80053Comprehensive metabolic panel
$11.5K
187 services$61.50/svc1.43x markup
85025Complete blood count with differential
$7.7K
124 services$61.83/svc2.05x markup
36415Venipuncture for blood draw
$3.8K
62 services$61.84/svc2.09x markup
Show detailed table ▾
CodeDescriptionServicesPaymentsAvg/ServiceMarkup
99213Office visit, established patient, low complexity622$38.3K$61.631.74x
99214Office visit, established patient, moderate complexity560$34.5K$61.611.86x
99215Office visit, established patient, high complexity498$30.7K$61.581.66x
99232Subsequent hospital care, moderate complexity436$26.8K$61.552.01x
99233Subsequent hospital care, high complexity373$23.0K$61.671.41x
93000Electrocardiogram, complete311$19.2K$61.632.08x
71046Chest X-ray, 2 views249$15.3K$61.581.44x
80053Comprehensive metabolic panel187$11.5K$61.501.43x
85025Complete blood count with differential124$7.7K$61.832.05x
36415Venipuncture for blood draw62$3.8K$61.842.09x

Markup Analysis

Charge-to-Payment Ratio

1.75x

This provider submits charges 1.75 times higher than what Medicare actually pays.

What This Means

A markup ratio of 1.75x means for every $100 Medicare pays, this provider initially charges $175. This is lower than the national average.

Location

Houston, TX

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 Internal Medicine providers in TX for peer comparison.

Samuel Ngwu (you)
$175.9K
Owen Ellington, M.D, J.D.
$34.4M
Show detailed table ▾
ProviderLocationTotal PaymentsStatus
Owen Ellington, M.D, J.D.Humble, TX$34.4M✓ Clear

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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.

Believe this data is inaccurate? Dispute this data