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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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Methodologyโ€ขDownload Data
  1. Home
  2. Providers
  3. Frank Leung
๐Ÿ’Š
MDI

Frank Leung, MD

NPI: 1972524510
Chicago, IL
10 years of data
Endocrinology
$601.8K
Total Payments
4.2K
Beneficiaries
13.9K
Services
2.3x
Markup Ratio

Peer Comparison

94th
percentile in specialty
This provider$601.8K
Specialty median$76.9K

๐Ÿ“‹ Key Findings

1Billed $601.8K over 10 years
22.3x markup ratio (above median)
3AI fraud probability: 95.7%
494th percentile in Endocrinology by payments
๐Ÿค–

AI Risk Assessment

Rank #4 of 500
95.7%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 95.7% probability that this provider's billing patterns are consistent with known fraud cases. This is ranked #4 out of 500 highest-risk providers analyzed. This is a statistical prediction, not a determination of fraud.

View all ML-flagged providers โ†’Methodology โ†’

ML model prediction โ€” not an accusation of fraud

๐Ÿ”Ž Data Analysis

This provider's $601.8K in total Medicare payments ranks in the 94th percentile of Endocrinology providers nationally.

Medicare payments to this provider grew 133% from 2014 to 2023.

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 โ€” the gap represents the markup.

YearAvg SubmittedAvg PaidMarkup RatioGap per ServiceTotal PaymentsServicesBeneficiaries
2014$92.44$43.402.13x$49.04$36.1K832254
2015$92.42$43.392.13x$49.03$42.1K971296
2016$92.40$43.382.13x$49.02$48.1K1.1K338
2017$92.44$43.402.13x$49.04$54.2K1.2K380
2018$92.42$43.392.13x$49.03$60.2K1.4K423
2019$92.42$43.392.13x$49.03$60.2K1.4K423
2020$92.40$43.382.13x$49.02$66.2K1.5K465
2021$92.40$43.382.13x$49.02$72.2K1.7K507
2022$92.42$43.392.13x$49.03$78.2K1.8K550
2023$92.42$43.392.13x$49.03$84.3K1.9K592

Top Procedures (10)

99214Established patient office visit, 30-39 minutes
$132.4K
3.1K services$43.38/svc2.37x markup
99213Established patient office visit, 20-29 minutes
$108.3K
2.5K services$43.38/svc2.13x markup
99215Established patient office visit, 40-54 minutes
$84.3K
1.9K services$43.39/svc2.36x markup
83036Hemoglobin A1c level
$60.2K
1.4K services$43.39/svc2.00x markup
80053Comprehensive metabolic panel
$48.1K
1.1K services$43.38/svc2.35x markup
84443Thyroid stimulating hormone (TSH)
$42.1K
971 services$43.39/svc2.36x markup
82728Ferritin blood test
$36.1K
832 services$43.40/svc2.16x markup
80061Lipid panel
$30.1K
694 services$43.36/svc2.06x markup
36415Collection of venous blood by venipuncture
$30.1K
694 services$43.36/svc2.40x markup
99211Established patient office visit, minimal
$30.1K
694 services$43.36/svc2.04x markup
Show detailed table โ–พ
CodeDescriptionServicesPaymentsAvg/ServiceMarkup
99214Established patient office visit, 30-39 minutes3.1K$132.4K$43.382.37x
99213Established patient office visit, 20-29 minutes2.5K$108.3K$43.382.13x
99215Established patient office visit, 40-54 minutes1.9K$84.3K$43.392.36x
83036Hemoglobin A1c level1.4K$60.2K$43.392.00x
80053Comprehensive metabolic panel1.1K$48.1K$43.382.35x
84443Thyroid stimulating hormone (TSH)971$42.1K$43.392.36x
82728Ferritin blood test832$36.1K$43.402.16x
80061Lipid panel694$30.1K$43.362.06x
36415Collection of venous blood by venipuncture694$30.1K$43.362.40x
99211Established patient office visit, minimal694$30.1K$43.362.04x

Markup Analysis

Charge-to-Payment Ratio

2.3x

This provider submits charges 2.3 times higher than what Medicare actually pays.

What This Means

A markup ratio of 2.3x means for every $100 Medicare pays, this provider initially charges $230. 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

  • โ€ข Centers for Medicare & Medicaid Services (CMS)
  • โ€ข Medicare Provider Utilization and Payment Data (2014-2023)
  • โ€ข 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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