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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. David Greenwald
๐ŸŽ—๏ธ
MDI

David Greenwald, MD

NPI: 1558380295
Kingston, PA
10 years of data
Medical Oncology
$2.7M
Total Payments
7.5K
Beneficiaries
361.0K
Services
14.93x
Markup Ratio

Peer Comparison

95th
percentile in specialty
This provider$2.7M
Specialty median$262.8K

๐Ÿ“‹ Key Findings

1Billed $2.7M over 10 years
214.93x markup ratio (above median)
3Risk score: 69 โ€” flagged for review
495th percentile in Medical Oncology by payments
5144 services/day โ€” unusually high
610 procedures with >3x markup

โš ๏ธ Flagged for Review

Risk Score: 69
  • 58x specialty median spending
  • Markup 14.9x (specialty median: 4.3x)
  • 28x specialty median beneficiaries
  • 676x specialty median services
View Deep Dives โ†’Report Fraud โ†’

Statistical flag only โ€” not an accusation of fraud

This provider averages 144 services per working day

Based on 361.0K total services over 10 years (250 working days/year). Learn about impossible service volumes โ†’

๐Ÿ”Ž Data Analysis

This provider's $2.7M in total Medicare payments ranks in the 95th percentile of Medical Oncology providers nationally.

Their average markup ratio of 14.93x is significantly above the specialty median of 3.6x.

Averaging 144 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 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$109.88$7.3614.93x$102.52$185.9K25.3K541
2015$109.88$7.3614.93x$102.52$201.9K27.4K587
2016$109.88$7.3614.93x$102.52$217.8K29.6K634
2017$109.88$7.3614.93x$102.52$233.7K31.8K680
2018$109.88$7.3614.93x$102.52$249.7K33.9K726
2019$109.88$7.3614.93x$102.52$265.6K36.1K773
2020$109.88$7.3614.93x$102.52$281.5K38.3K819
2021$109.88$7.3614.93x$102.52$297.5K40.4K865
2022$109.88$7.3614.93x$102.52$313.4K42.6K912
2023$109.88$7.3614.93x$102.52$329.4K44.8K958

Top Procedures (10)

99213Office/outpatient visit, est patient, lowโš  14.1x markup
$906.8K
123.3K services$7.36/svc14.07x markup
99214Office/outpatient visit, est patient, moderateโš  13.8x markup
$453.4K
61.6K services$7.36/svc13.81x markup
99215Office/outpatient visit, est patient, highโš  12.1x markup
$302.3K
41.1K services$7.36/svc12.10x markup
99223Initial hospital care, high complexityโš  12.9x markup
$226.7K
30.8K services$7.36/svc12.95x markup
99232Subsequent hospital care, moderateโš  13.1x markup
$181.4K
24.7K services$7.36/svc13.05x markup
93000Electrocardiogram, completeโš  17.3x markup
$151.1K
20.5K services$7.36/svc17.25x markup
71046Chest X-ray, 2 viewsโš  12.3x markup
$129.5K
17.6K services$7.36/svc12.29x markup
80053Comprehensive metabolic panelโš  14.7x markup
$113.4K
15.4K services$7.36/svc14.67x markup
85025Complete blood count (CBC)โš  15.7x markup
$100.8K
13.7K services$7.36/svc15.69x markup
36415Venipunctureโš  15.3x markup
$90.7K
12.3K services$7.36/svc15.26x markup
Show detailed table โ–พ
CodeDescriptionServicesPaymentsAvg/ServiceMarkup
99213Office/outpatient visit, est patient, low123.3K$906.8K$7.3614.07x
99214Office/outpatient visit, est patient, moderate61.6K$453.4K$7.3613.81x
99215Office/outpatient visit, est patient, high41.1K$302.3K$7.3612.10x
99223Initial hospital care, high complexity30.8K$226.7K$7.3612.95x
99232Subsequent hospital care, moderate24.7K$181.4K$7.3613.05x
93000Electrocardiogram, complete20.5K$151.1K$7.3617.25x
71046Chest X-ray, 2 views17.6K$129.5K$7.3612.29x
80053Comprehensive metabolic panel15.4K$113.4K$7.3614.67x
85025Complete blood count (CBC)13.7K$100.8K$7.3615.69x
36415Venipuncture12.3K$90.7K$7.3615.26x

Markup Analysis

Charge-to-Payment Ratio

14.93x

This provider submits charges 14.93 times higher than what Medicare actually pays.

What This Means

A markup ratio of 14.93x means for every $100 Medicare pays, this provider initially charges $1493. This is higher than the national average.

Location

Kingston, PA

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 PA for peer comparison.

David Greenwald (you)
$2.7M
Bruce Saidman, MDโš ๏ธ
$34.3M
Show detailed table โ–พ
ProviderLocationTotal PaymentsStatus
Bruce Saidman, MDKingston, PA$34.3Mโš ๏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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