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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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ยฉ 2026 OpenMedicare. Independent data journalism. Built by TheDataProject.ai

Methodologyโ€ขDownload Data
  1. Home
  2. Providers
  3. Diane Wilder
๐ŸŽ—๏ธ
MDI

Diane Wilder, M.D.

NPI: 1619959525
Little Rock, AR
10 years of data
Medical Oncology
$1.7M
Total Payments
6.8K
Beneficiaries
163.9K
Services
15.38x
Markup Ratio

Peer Comparison

92th
percentile in specialty
This provider$1.7M
Specialty median$262.8K

๐Ÿ“‹ Key Findings

1Billed $1.7M over 10 years
215.38x markup ratio (above median)
3Risk score: 67 โ€” flagged for review
492th percentile in Medical Oncology by payments
566 services/day โ€” unusually high
610 procedures with >3x markup

โš ๏ธ Flagged for Review

Risk Score: 67
  • 38x specialty median spending
  • Markup 15.4x (specialty median: 4.3x)
  • 25x specialty median beneficiaries
  • 307x specialty median services
View Deep Dives โ†’Report Fraud โ†’

Statistical flag only โ€” not an accusation of fraud

This provider averages 66 services per working day

Based on 163.9K total services over 10 years (250 working days/year). Learn about impossible service volumes โ†’

๐Ÿ”Ž Data Analysis

This provider's $1.7M in total Medicare payments ranks in the 92th percentile of Medical Oncology providers nationally.

Their average markup ratio of 15.38x is significantly above the specialty median of 3.6x.

Averaging 66 services per working day raises questions about billing patterns.

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

This provider has been statistically flagged with a risk score of 67/100. 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$164.26$10.6815.38x$153.58$122.5K11.5K489
2015$164.26$10.6815.38x$153.58$133.0K12.5K531
2016$164.26$10.6815.38x$153.58$143.5K13.4K572
2017$164.26$10.6815.38x$153.58$154.0K14.4K614
2018$164.26$10.6815.38x$153.58$164.5K15.4K656
2019$164.26$10.6815.38x$153.58$175.0K16.4K698
2020$164.26$10.6815.38x$153.58$185.5K17.4K740
2021$164.26$10.6815.38x$153.58$196.0K18.4K782
2022$164.26$10.6815.38x$153.58$206.5K19.3K824
2023$164.26$10.6815.38x$153.58$217.0K20.3K866

Top Procedures (10)

99213Office/outpatient visit, est patient, lowโš  18.2x markup
$597.4K
55.9K services$10.68/svc18.24x markup
99214Office/outpatient visit, est patient, moderateโš  15.6x markup
$298.7K
28.0K services$10.68/svc15.55x markup
99215Office/outpatient visit, est patient, highโš  18.3x markup
$199.1K
18.6K services$10.68/svc18.31x markup
99223Initial hospital care, high complexityโš  12.5x markup
$149.3K
14.0K services$10.68/svc12.49x markup
99232Subsequent hospital care, moderateโš  14.7x markup
$119.5K
11.2K services$10.68/svc14.72x markup
93000Electrocardiogram, completeโš  17.2x markup
$99.6K
9.3K services$10.68/svc17.17x markup
71046Chest X-ray, 2 viewsโš  18.1x markup
$85.3K
8.0K services$10.68/svc18.11x markup
80053Comprehensive metabolic panelโš  14.0x markup
$74.7K
7.0K services$10.68/svc14.02x markup
85025Complete blood count (CBC)โš  13.2x markup
$66.4K
6.2K services$10.68/svc13.15x markup
36415Venipunctureโš  15.8x markup
$59.7K
5.6K services$10.68/svc15.83x markup
Show detailed table โ–พ
CodeDescriptionServicesPaymentsAvg/ServiceMarkup
99213Office/outpatient visit, est patient, low55.9K$597.4K$10.6818.24x
99214Office/outpatient visit, est patient, moderate28.0K$298.7K$10.6815.55x
99215Office/outpatient visit, est patient, high18.6K$199.1K$10.6818.31x
99223Initial hospital care, high complexity14.0K$149.3K$10.6812.49x
99232Subsequent hospital care, moderate11.2K$119.5K$10.6814.72x
93000Electrocardiogram, complete9.3K$99.6K$10.6817.17x
71046Chest X-ray, 2 views8.0K$85.3K$10.6818.11x
80053Comprehensive metabolic panel7.0K$74.7K$10.6814.02x
85025Complete blood count (CBC)6.2K$66.4K$10.6813.15x
36415Venipuncture5.6K$59.7K$10.6815.83x

Markup Analysis

Charge-to-Payment Ratio

15.38x

This provider submits charges 15.38 times higher than what Medicare actually pays.

What This Means

A markup ratio of 15.38x means for every $100 Medicare pays, this provider initially charges $1538. This is higher than the national average.

Location

Little Rock, AR

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 Medical Oncology providers in AR for peer comparison.

Diane Wilder (you)
$1.7M
Stephen Divers, M.D.โš ๏ธ
$44.7M
Patrick Travis, M.D.โš ๏ธ
$40.3M
Show detailed table โ–พ
ProviderLocationTotal PaymentsStatus
Stephen Divers, M.D.Hot Springs, AR$44.7Mโš ๏ธ Flagged
Patrick Travis, M.D.Fayetteville, AR$40.3Mโš ๏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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