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Data Sources: Centers for Medicare & Medicaid Services (CMS), Medicare Provider Utilization and Payment Data
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Methodology•Download Data
  1. Home
  2. Providers
  3. Hiep Nguyen
🩺
MDI

Hiep Nguyen, MD

NPI: 1184716151
Los Angeles, CA
10 years of data
Internal Medicine
$212.9K
Total Payments
1.4K
Beneficiaries
3.7K
Services
1.82x
Markup Ratio

Peer Comparison

80th
percentile in specialty
This provider$212.9K
Specialty median$84.0K

📋 Key Findings

1Billed $212.9K over 10 years
21.82x markup ratio
3AI fraud probability: 91.0%
🤖

AI Risk Assessment

Rank #136 of 500
91.0%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 91.0% probability that this provider's billing patterns are consistent with known fraud cases. This is ranked #136 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 $212.9K in total Medicare payments ranks in the 80th percentile of Internal Medicine providers nationally.

Medicare payments to this provider grew 120% 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
$45.4K
722 services$62.91/svc2.03x markup
99214Office visit, established patient, moderate complexity
$40.9K
650 services$62.89/svc1.79x markup
99215Office visit, established patient, high complexity
$36.3K
577 services$62.98/svc1.79x markup
99232Subsequent hospital care, moderate complexity
$31.8K
505 services$62.96/svc1.80x markup
99233Subsequent hospital care, high complexity
$27.3K
433 services$62.94/svc1.61x markup
93000Electrocardiogram, complete
$22.7K
361 services$62.91/svc2.17x markup
71046Chest X-ray, 2 views
$18.2K
289 services$62.87/svc1.73x markup
80053Comprehensive metabolic panel
$13.6K
217 services$62.80/svc1.67x markup
85025Complete blood count with differential
$9.1K
144 services$63.09/svc1.88x markup
36415Venipuncture for blood draw
$4.5K
72 services$63.08/svc2.10x markup
Show detailed table ▾
CodeDescriptionServicesPaymentsAvg/ServiceMarkup
99213Office visit, established patient, low complexity722$45.4K$62.912.03x
99214Office visit, established patient, moderate complexity650$40.9K$62.891.79x
99215Office visit, established patient, high complexity577$36.3K$62.981.79x
99232Subsequent hospital care, moderate complexity505$31.8K$62.961.80x
99233Subsequent hospital care, high complexity433$27.3K$62.941.61x
93000Electrocardiogram, complete361$22.7K$62.912.17x
71046Chest X-ray, 2 views289$18.2K$62.871.73x
80053Comprehensive metabolic panel217$13.6K$62.801.67x
85025Complete blood count with differential144$9.1K$63.091.88x
36415Venipuncture for blood draw72$4.5K$63.082.10x

Markup Analysis

Charge-to-Payment Ratio

1.82x

This provider submits charges 1.82 times higher than what Medicare actually pays.

What This Means

A markup ratio of 1.82x means for every $100 Medicare pays, this provider initially charges $182. This is lower than the national average.

Location

Los Angeles, CA

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 CA for peer comparison.

Hiep Nguyen (you)
$212.9K
Aaron Jeng, MD, MPH
$45.6M
Richard Park, M.D.⚠️
$34.7M
Show detailed table ▾
ProviderLocationTotal PaymentsStatus
Aaron Jeng, MD, MPHSan Gabriel, CA$45.6M✓ Clear
Richard Park, M.D.Granada Hills, CA$34.7M⚠️ Flagged

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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