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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. David Chen
๐Ÿ“ก
Individual

David Chen

NPI: 1629006895
San Gabriel, CA
10 years of data
Diagnostic Radiology
$14.3M
Total Payments
168.3K
Beneficiaries
174.4K
Services
3.71x
Markup Ratio

Peer Comparison

99th
percentile in specialty
This provider$14.3M
Specialty median$115.6K

๐Ÿ“‹ Key Findings

1Billed $14.3M over 10 years
23.71x markup ratio (above median)
399th percentile in Diagnostic Radiology by payments
470 services/day โ€” unusually high
512 procedures with >3x markup

This provider averages 70 services per working day

Based on 174.4K total services over 10 years (250 working days/year). Learn about impossible service volumes โ†’

๐Ÿ”Ž Data Analysis

This provider's $14.3M in total Medicare payments ranks in the 99th percentile of Diagnostic Radiology providers nationally.

Averaging 70 services per working day raises questions about billing patterns.

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$503.10$121.054.16x$382.05$1.6M17.5K16.8K
2015$485.93$111.244.37x$374.69$1.4M16.8K16.2K
2016$495.35$112.404.41x$382.95$1.5M18.8K18.1K
2017$494.20$106.964.62x$387.24$1.5M19.0K18.3K
2018$494.54$107.084.62x$387.46$1.6M18.9K18.2K
2019$450.54$99.144.54x$351.40$1.6M19.6K18.9K
2020$408.39$98.464.15x$309.93$1.1M12.3K11.9K
2021$427.19$98.494.34x$328.70$1.3M16.2K15.6K
2022$433.00$92.544.68x$340.46$1.4M18.0K17.4K
2023$434.28$86.455.02x$347.83$1.3M17.4K16.9K

Top Procedures (20)

76700Ultrasound of abdomen
$1.6M
19.1K services$82.23/svc2.68x markup
77067Mammography of both breasts
$1.5M
9.8K services$152.24/svc1.31x markup
G0202Screening mammography, producing direct digital image, bilateral, all views
$893.6K
6.0K services$148.37/svc1.35x markup
74178CT scan of abdomen and pelvis before and after contrast
$844.3K
2.8K services$303.69/svc2.63x markup
77080Bone density measurement using dedicated X-ray machineโš  3.5x markup
$825.4K
18.1K services$45.63/svc3.51x markup
72148MRI scan of lower spinal canalโš  8.3x markup
$453.8K
3.2K services$142.27/svc8.25x markup
71250CT scan chestโš  6.3x markup
$422.9K
3.8K services$109.98/svc6.30x markup
93880Ultrasound scanning of blood flow (outside the brain) on both sides of head and neck
$357.1K
2.3K services$155.27/svc2.58x markup
70551MRI scan brainโš  8.2x markup
$287.3K
2.1K services$138.87/svc8.20x markup
76856Ultrasound of pelvisโš  3.3x markup
$284.6K
4.3K services$66.34/svc3.32x markup
75574CT scan of heart blood vessels and grafts with contrast dyeโš  3.8x markup
$281.4K
1.1K services$264.95/svc3.77x markup
71046X-ray of chest, 2 viewsโš  3.8x markup
$251.0K
12.3K services$20.46/svc3.76x markup
76770Ultrasound behind abdominal cavity
$250.0K
3.1K services$80.55/svc2.73x markup
71270CT scan chest before and after contrastโš  5.2x markup
$249.0K
1.5K services$168.11/svc5.20x markup
76536Ultrasound of head and neck
$232.5K
2.9K services$81.55/svc2.70x markup
70553MRI scan of brain before and after contrastโš  9.6x markup
$229.7K
932 services$246.50/svc9.63x markup
74176CT scan of abdomen and pelvisโš  3.1x markup
$217.2K
1.5K services$147.17/svc3.06x markup
93306Ultrasound examination of heart including color-depicted blood flow rate, direction, and valve function
$216.1K
1.3K services$165.20/svc2.72x markup
71020X-ray of chest, 2 views, front and sideโš  4.4x markup
$212.5K
12.2K services$17.37/svc4.44x markup
72141MRI scan of upper spinal canalโš  8.4x markup
$207.4K
1.5K services$140.32/svc8.36x markup
Show detailed table โ–พ
CodeDescriptionServicesPaymentsAvg/ServiceMarkup
76700Ultrasound of abdomen19.1K$1.6M$82.232.68x
77067Mammography of both breasts9.8K$1.5M$152.241.31x
G0202Screening mammography, producing direct digital image, bilateral, all views6.0K$893.6K$148.371.35x
74178CT scan of abdomen and pelvis before and after contrast2.8K$844.3K$303.692.63x
77080Bone density measurement using dedicated X-ray machine18.1K$825.4K$45.633.51x
72148MRI scan of lower spinal canal3.2K$453.8K$142.278.25x
71250CT scan chest3.8K$422.9K$109.986.30x
93880Ultrasound scanning of blood flow (outside the brain) on both sides of head and neck2.3K$357.1K$155.272.58x
70551MRI scan brain2.1K$287.3K$138.878.20x
76856Ultrasound of pelvis4.3K$284.6K$66.343.32x
75574CT scan of heart blood vessels and grafts with contrast dye1.1K$281.4K$264.953.77x
71046X-ray of chest, 2 views12.3K$251.0K$20.463.76x
76770Ultrasound behind abdominal cavity3.1K$250.0K$80.552.73x
71270CT scan chest before and after contrast1.5K$249.0K$168.115.20x
76536Ultrasound of head and neck2.9K$232.5K$81.552.70x
70553MRI scan of brain before and after contrast932$229.7K$246.509.63x
74176CT scan of abdomen and pelvis1.5K$217.2K$147.173.06x
93306Ultrasound examination of heart including color-depicted blood flow rate, direction, and valve function1.3K$216.1K$165.202.72x
71020X-ray of chest, 2 views, front and side12.2K$212.5K$17.374.44x
72141MRI scan of upper spinal canal1.5K$207.4K$140.328.36x

Markup Analysis

Charge-to-Payment Ratio

3.71x

This provider submits charges 3.71 times higher than what Medicare actually pays.

What This Means

A markup ratio of 3.71x means for every $100 Medicare pays, this provider initially charges $371. This is higher than the national average.

Location

San Gabriel, 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 Diagnostic Radiology providers in CA for peer comparison.

David Chen (you)
$14.3M
Stephen Liu, M.D.
$37.2M
Show detailed table โ–พ
ProviderLocationTotal PaymentsStatus
Stephen Liu, M.D.Modesto, CA$37.2Mโœ“ Clear

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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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