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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. Valiant Tan
๐ŸŽ—๏ธ
MDI

Valiant Tan, MD

NPI: 1154326718
Chesapeake, VA
10 years of data
Hematology-Oncology
$1.9M
Total Payments
5.1K
Beneficiaries
124.7K
Services
24.91x
Markup Ratio

Peer Comparison

91th
percentile in specialty
This provider$1.9M
Specialty median$339.6K

๐Ÿ“‹ Key Findings

1Billed $1.9M over 10 years
224.91x markup ratio (above median)
3Risk score: 69 โ€” flagged for review
491th percentile in Hematology-Oncology by payments
510 procedures with >3x markup

โš ๏ธ Flagged for Review

Risk Score: 69
  • 30x specialty median spending
  • Markup 24.9x (specialty median: 4.0x)
  • 12x specialty median beneficiaries
  • 149x specialty median services
View Deep Dives โ†’Report Fraud โ†’

Statistical flag only โ€” not an accusation of fraud

๐Ÿ”Ž Data Analysis

This provider's $1.9M in total Medicare payments ranks in the 91th percentile of Hematology-Oncology providers nationally.

Their average markup ratio of 24.91x is significantly above the specialty median of 3.5x.

Medicare payments to this provider grew 77% from 2014 to 2023.

This provider has been statistically flagged with a risk score of 69/100. Statistical flags are not accusations of fraud.

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$386.35$15.5124.91x$370.84$135.3K8.7K369
2015$386.35$15.5124.91x$370.84$146.9K9.5K400
2016$386.35$15.5124.91x$370.84$158.5K10.2K432
2017$386.35$15.5124.91x$370.84$170.1K11.0K463
2018$386.35$15.5124.91x$370.84$181.7K11.7K495
2019$386.35$15.5124.91x$370.84$193.3K12.5K527
2020$386.35$15.5124.91x$370.84$204.9K13.2K558
2021$386.35$15.5124.91x$370.84$216.5K14.0K590
2022$386.35$15.5124.91x$370.84$228.1K14.7K622
2023$386.35$15.5124.91x$370.84$239.7K15.5K653

Top Procedures (10)

99213Office/outpatient visit, est patient, lowโš  23.5x markup
$660.1K
42.6K services$15.51/svc23.51x markup
99214Office/outpatient visit, est patient, moderateโš  29.5x markup
$330.0K
21.3K services$15.51/svc29.48x markup
99215Office/outpatient visit, est patient, highโš  23.2x markup
$220.0K
14.2K services$15.51/svc23.16x markup
99223Initial hospital care, high complexityโš  27.6x markup
$165.0K
10.6K services$15.51/svc27.63x markup
99232Subsequent hospital care, moderateโš  20.4x markup
$132.0K
8.5K services$15.51/svc20.45x markup
93000Electrocardiogram, completeโš  28.8x markup
$110.0K
7.1K services$15.51/svc28.84x markup
71046Chest X-ray, 2 viewsโš  20.4x markup
$94.3K
6.1K services$15.51/svc20.39x markup
80053Comprehensive metabolic panelโš  28.7x markup
$82.5K
5.3K services$15.51/svc28.69x markup
85025Complete blood count (CBC)โš  21.7x markup
$73.3K
4.7K services$15.51/svc21.71x markup
36415Venipunctureโš  26.0x markup
$66.0K
4.3K services$15.51/svc26.02x markup
Show detailed table โ–พ
CodeDescriptionServicesPaymentsAvg/ServiceMarkup
99213Office/outpatient visit, est patient, low42.6K$660.1K$15.5123.51x
99214Office/outpatient visit, est patient, moderate21.3K$330.0K$15.5129.48x
99215Office/outpatient visit, est patient, high14.2K$220.0K$15.5123.16x
99223Initial hospital care, high complexity10.6K$165.0K$15.5127.63x
99232Subsequent hospital care, moderate8.5K$132.0K$15.5120.45x
93000Electrocardiogram, complete7.1K$110.0K$15.5128.84x
71046Chest X-ray, 2 views6.1K$94.3K$15.5120.39x
80053Comprehensive metabolic panel5.3K$82.5K$15.5128.69x
85025Complete blood count (CBC)4.7K$73.3K$15.5121.71x
36415Venipuncture4.3K$66.0K$15.5126.02x

Markup Analysis

Charge-to-Payment Ratio

24.91x

This provider submits charges 24.91 times higher than what Medicare actually pays.

What This Means

A markup ratio of 24.91x means for every $100 Medicare pays, this provider initially charges $2491. This is higher than the national average.

Location

Chesapeake, VA

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 Hematology-Oncology providers in VA for peer comparison.

Valiant Tan (you)
$1.9M
Thomas Alberico, MDโš ๏ธ
$38.5M
Mark Fleming, MDโš ๏ธ
$37.6M
Show detailed table โ–พ
ProviderLocationTotal PaymentsStatus
Thomas Alberico, MDNorfolk, VA$38.5Mโš ๏ธ Flagged
Mark Fleming, MDHampton, VA$37.6Mโš ๏ธ Flagged

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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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