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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 Feng
๐Ÿ“ก
MDIndividual

David Feng, M.D.

NPI: 1659465896
Northfield, NJ
10 years of data
Interventional Radiology
$7.3M
Total Payments
23.4K
Beneficiaries
35.2K
Services
3.73x
Markup Ratio

Peer Comparison

99th
percentile in specialty
This provider$7.3M
Specialty median$146.5K

๐Ÿ“‹ Key Findings

1Billed $7.3M over 10 years
23.73x markup ratio (above median)
399th percentile in Interventional Radiology by payments
4Payments surged 81% in 2016
516 procedures with >3x markup
โœ“ No flags detected

๐Ÿ”Ž Data Analysis

This provider's $7.3M in total Medicare payments ranks in the 99th percentile of Interventional Radiology providers nationally.

Medicare payments to this provider grew 289% 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

๐Ÿ“ˆ

Notable: Payments increased 81% in 2016

Year-over-year payment surges can indicate changes in practice volume, new services, or billing pattern shifts.

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$291.67$53.725.43x$237.95$205.3K6.2K5.5K
2015$1.4K$378.713.72x$1.0K$362.1K756306
2016$1.3K$332.193.85x$947.44$656.5K2.2K1.2K
2017$1.6K$416.563.75x$1.1K$989.4K3.7K2.0K
2018$1.6K$474.573.39x$1.1K$1.1M4.5K2.5K
2019$1.6K$457.023.52x$1.2K$1.0M4.3K2.6K
2020$1.5K$409.543.57x$1.1K$586.3K2.5K1.7K
2021$1.0K$327.173.13x$696.95$787.0K3.4K2.3K
2022$631.18$165.563.81x$465.62$751.1K3.6K2.5K
2023$608.91$155.313.92x$453.60$798.8K4.0K2.7K

Top Procedures (20)

36475Destruction of insufficient vein of arm or leg, accessed through the skinโš  4.2x markup
$2.3M
1.9K services$1.2K/svc4.22x markup
93970Ultrasound scan of veins of both arms or legs including assessment of compression and functional maneuversโš  3.3x markup
$1.4M
8.5K services$168.59/svc3.31x markup
93971Ultrasound scan of veins of one arm or leg or limited including assessment of compression and functional maneuversโš  3.4x markup
$896.3K
8.5K services$105.77/svc3.36x markup
36465Injection of chemical agent into single incompetent vein of leg using ultrasound guidance
$548.8K
418 services$1.3K/svc2.51x markup
36478Laser destruction of incompetent vein of arm or leg using imaging guidance, accessed through the skinโš  4.0x markup
$497.8K
475 services$1.0K/svc4.03x markup
36473Mechanicochemical destruction of insufficient vein of arm or leg, accessed through the skin using imaging guidanceโš  3.2x markup
$489.5K
369 services$1.3K/svc3.24x markup
36471Injection of chemical agent into multiple veins of same legโš  4.0x markup
$231.1K
1.5K services$153.95/svc4.01x markup
99204New patient office or other outpatient visit, typically 45 minutesโš  3.3x markup
$203.3K
1.5K services$135.05/svc3.33x markup
99214Established patient office or other outpatient, visit typically 25 minutesโš  3.2x markup
$135.2K
1.5K services$90.97/svc3.19x markup
99205New patient outpatient visit, total time 60-74 minutesโš  3.1x markup
$92.4K
504 services$183.37/svc3.11x markup
99215Established patient outpatient visit, total time 40-54 minutes
$89.9K
597 services$150.52/svc2.59x markup
76942Ultrasonic guidance imaging supervision and interpretation for insertion of needleโš  11.5x markup
$75.0K
1.5K services$49.73/svc11.48x markup
36466Injection of chemical agent into multiple incompetent veins of same leg using ultrasound guidance
$54.7K
37 services$1.5K/svc2.37x markup
36470Injection of chemical agent into single incompetent veinโš  5.3x markup
$33.3K
440 services$75.71/svc5.28x markup
74176CT scan of abdomen and pelvisโš  4.7x markup
$21.3K
294 services$72.35/svc4.67x markup
99213Established patient office or other outpatient visit, typically 15 minutes
$20.7K
316 services$65.42/svc2.90x markup
70450CT scan head or brainโš  6.8x markup
$18.2K
554 services$32.88/svc6.84x markup
93976Ultrasound limited scan of abdominal, pelvic, and/or scrotal arterial inflow and venous outflowโš  4.1x markup
$18.1K
149 services$121.58/svc4.07x markup
99203New patient office or other outpatient visit, typically 30 minutesโš  3.3x markup
$14.5K
165 services$87.59/svc3.31x markup
71010X-ray of chest, 1 view, frontโš  4.0x markup
$10.4K
1.4K services$7.56/svc3.97x markup
Show detailed table โ–พ
CodeDescriptionServicesPaymentsAvg/ServiceMarkup
36475Destruction of insufficient vein of arm or leg, accessed through the skin1.9K$2.3M$1.2K4.22x
93970Ultrasound scan of veins of both arms or legs including assessment of compression and functional maneuvers8.5K$1.4M$168.593.31x
93971Ultrasound scan of veins of one arm or leg or limited including assessment of compression and functional maneuvers8.5K$896.3K$105.773.36x
36465Injection of chemical agent into single incompetent vein of leg using ultrasound guidance418$548.8K$1.3K2.51x
36478Laser destruction of incompetent vein of arm or leg using imaging guidance, accessed through the skin475$497.8K$1.0K4.03x
36473Mechanicochemical destruction of insufficient vein of arm or leg, accessed through the skin using imaging guidance369$489.5K$1.3K3.24x
36471Injection of chemical agent into multiple veins of same leg1.5K$231.1K$153.954.01x
99204New patient office or other outpatient visit, typically 45 minutes1.5K$203.3K$135.053.33x
99214Established patient office or other outpatient, visit typically 25 minutes1.5K$135.2K$90.973.19x
99205New patient outpatient visit, total time 60-74 minutes504$92.4K$183.373.11x
99215Established patient outpatient visit, total time 40-54 minutes597$89.9K$150.522.59x
76942Ultrasonic guidance imaging supervision and interpretation for insertion of needle1.5K$75.0K$49.7311.48x
36466Injection of chemical agent into multiple incompetent veins of same leg using ultrasound guidance37$54.7K$1.5K2.37x
36470Injection of chemical agent into single incompetent vein440$33.3K$75.715.28x
74176CT scan of abdomen and pelvis294$21.3K$72.354.67x
99213Established patient office or other outpatient visit, typically 15 minutes316$20.7K$65.422.90x
70450CT scan head or brain554$18.2K$32.886.84x
93976Ultrasound limited scan of abdominal, pelvic, and/or scrotal arterial inflow and venous outflow149$18.1K$121.584.07x
99203New patient office or other outpatient visit, typically 30 minutes165$14.5K$87.593.31x
71010X-ray of chest, 1 view, front1.4K$10.4K$7.563.97x

Markup Analysis

Charge-to-Payment Ratio

3.73x

This provider submits charges 3.73 times higher than what Medicare actually pays.

What This Means

A markup ratio of 3.73x means for every $100 Medicare pays, this provider initially charges $373. This is higher than the national average.

Location

Northfield, NJ

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 Interventional Radiology providers in NJ for peer comparison.

David Feng (you)
$7.3M
Daniel Simon, M.D.
$46.1M
Show detailed table โ–พ
ProviderLocationTotal PaymentsStatus
Daniel Simon, M.D.New Brunswick, NJ$46.1Mโœ“ 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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