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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 Kornguth
๐ŸŽ—๏ธ
MDIndividual

David Kornguth, M.D.

NPI: 1801820394
San Francisco, CA
10 years of data
Radiation Oncology
$23.2M
Total Payments
12.7K
Beneficiaries
89.2K
Services
2.81x
Markup Ratio

Peer Comparison

99th
percentile in specialty
This provider$23.2M
Specialty median$300.5K

๐Ÿ“‹ Key Findings

1Billed $23.2M over 10 years
22.81x markup ratio (above median)
399th percentile in Radiation Oncology by payments
42 procedures with >3x markup
โœ“ No flags detected

๐Ÿ”Ž Data Analysis

This provider's $23.2M in total Medicare payments ranks in the 99th percentile of Radiation Oncology providers nationally.

This provider's billing patterns fall within normal ranges for their specialty.

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$1.5K$322.784.52x$1.1K$2.2M8.6K1.2K
2015$982.85$334.292.94x$648.56$2.6M9.7K1.4K
2016$908.90$334.122.72x$574.78$2.2M8.9K1.1K
2017$876.00$331.892.64x$544.11$1.8M7.7K1.0K
2018$1.3K$513.602.60x$819.52$2.4M8.9K1.3K
2019$1.4K$541.262.57x$848.14$2.4M9.0K1.3K
2020$1.3K$517.262.53x$792.61$2.3M8.8K1.3K
2021$1.3K$536.842.47x$789.42$2.3M8.3K1.2K
2022$1.2K$474.572.57x$744.20$2.5M9.4K1.3K
2023$1.3K$495.422.56x$772.60$2.6M9.9K1.5K

Top Procedures (20)

G6015Intensity modulated treatment delivery, single or multiple fields/arcs,via narrow spatially and temporally modulated beams, binary, dynamic mlc, per treatment session
$11.3M
28.8K services$390.68/svc2.59x markup
77014CT scan guidance for insertion of radiation therapy fields
$3.9M
32.1K services$120.76/svc2.89x markup
77301Management of modulation radiotherapy planning
$1.5M
770 services$2.0K/svc2.83x markup
77418Intensity modulated radiation treatment delivery per sessionโš  4.8x markup
$1.3M
3.0K services$424.43/svc4.82x markup
77427Radiation treatment management, 5 treatments
$1.1M
6.6K services$170.69/svc2.77x markup
55874Injection of biodegradable material next to prostate
$1.1M
313 services$3.4K/svc2.55x markup
77338Design and construction of device for radiation therapy
$731.5K
1.5K services$488.63/svc2.82x markup
77336Radiation therapy consultation per week
$556.8K
6.6K services$84.79/svc2.56x markup
77280Management of radiation therapy simulation, simple
$451.8K
1.6K services$287.76/svc2.61x markup
77290Management of radiation therapy, simulation, complex
$387.8K
757 services$512.25/svc2.87x markup
77307Radiation therapy plan
$193.1K
686 services$281.48/svc2.54x markup
99205New patient office or other outpatient visit, typically 60 minutes
$183.1K
972 services$188.35/svc2.62x markup
77263Management of radiation therapy, complex
$118.6K
795 services$149.21/svc2.79x markup
77334Radiation treatment devices, design and construction, complex
$115.2K
871 services$132.24/svc2.80x markup
77300Calculation of radiation therapy dose
$102.0K
1.6K services$64.85/svc2.84x markup
99213Established patient office or other outpatient visit, typically 15 minutes
$61.4K
990 services$62.05/svc2.99x markup
G6002Stereoscopic x-ray guidance for localization of target volume for the delivery of radiation therapy
$52.9K
692 services$76.46/svc2.51x markup
99214Established patient office or other outpatient visit, 30-39 minutes
$27.2K
252 services$107.86/svc2.83x markup
77470Special radiation treatment procedureโš  3.7x markup
$24.7K
167 services$148.13/svc3.67x markup
99204New patient office or other outpatient visit, typically 45 minutes
$18.5K
127 services$145.34/svc2.68x markup
Show detailed table โ–พ
CodeDescriptionServicesPaymentsAvg/ServiceMarkup
G6015Intensity modulated treatment delivery, single or multiple fields/arcs,via narrow spatially and temporally modulated beams, binary, dynamic mlc, per treatment session28.8K$11.3M$390.682.59x
77014CT scan guidance for insertion of radiation therapy fields32.1K$3.9M$120.762.89x
77301Management of modulation radiotherapy planning770$1.5M$2.0K2.83x
77418Intensity modulated radiation treatment delivery per session3.0K$1.3M$424.434.82x
77427Radiation treatment management, 5 treatments6.6K$1.1M$170.692.77x
55874Injection of biodegradable material next to prostate313$1.1M$3.4K2.55x
77338Design and construction of device for radiation therapy1.5K$731.5K$488.632.82x
77336Radiation therapy consultation per week6.6K$556.8K$84.792.56x
77280Management of radiation therapy simulation, simple1.6K$451.8K$287.762.61x
77290Management of radiation therapy, simulation, complex757$387.8K$512.252.87x
77307Radiation therapy plan686$193.1K$281.482.54x
99205New patient office or other outpatient visit, typically 60 minutes972$183.1K$188.352.62x
77263Management of radiation therapy, complex795$118.6K$149.212.79x
77334Radiation treatment devices, design and construction, complex871$115.2K$132.242.80x
77300Calculation of radiation therapy dose1.6K$102.0K$64.852.84x
99213Established patient office or other outpatient visit, typically 15 minutes990$61.4K$62.052.99x
G6002Stereoscopic x-ray guidance for localization of target volume for the delivery of radiation therapy692$52.9K$76.462.51x
99214Established patient office or other outpatient visit, 30-39 minutes252$27.2K$107.862.83x
77470Special radiation treatment procedure167$24.7K$148.133.67x
99204New patient office or other outpatient visit, typically 45 minutes127$18.5K$145.342.68x

Markup Analysis

Charge-to-Payment Ratio

2.81x

This provider submits charges 2.81 times higher than what Medicare actually pays.

What This Means

A markup ratio of 2.81x means for every $100 Medicare pays, this provider initially charges $281. This is higher than the national average.

Location

San Francisco, CA

Provider Verification

Always verify provider credentials and location before scheduling appointments. This data reflects Medicare payments and may not include all practice locations.

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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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