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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 Greene
๐ŸŽ—๏ธ
MDIndividual

David Greene, M.D.

NPI: 1285600403
Salinas, CA
10 years of data
Radiation Oncology
$7.5M
Total Payments
9.9K
Beneficiaries
38.0K
Services
2.05x
Markup Ratio

Peer Comparison

98th
percentile in specialty
This provider$7.5M
Specialty median$300.5K

๐Ÿ“‹ Key Findings

1Billed $7.5M over 10 years
22.05x markup ratio (above median)
398th percentile in Radiation Oncology by payments
4Payments surged 392% in 2017
52 procedures with >3x markup
โœ“ No flags detected

๐Ÿ”Ž Data Analysis

This provider's $7.5M in total Medicare payments ranks in the 98th percentile of Radiation Oncology providers nationally.

Medicare payments to this provider grew 1761% 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 392% in 2017

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$399.65$159.212.51x$240.44$94.9K52733
2015$715.84$404.141.77x$311.70$144.2K24459
2016$510.29$196.552.60x$313.74$114.1K654105
2017$362.47$239.241.52x$123.23$561.1K2.9K929
2018$361.26$256.371.41x$104.89$974.1K4.9K1.3K
2019$344.64$232.971.48x$111.67$954.0K5.2K1.3K
2020$751.01$433.891.73x$317.12$929.1K4.3K1.1K
2021$476.82$296.481.61x$180.34$675.4K3.2K867
2022$428.70$247.151.73x$181.55$1.3M6.9K1.4K
2023$468.71$231.342.03x$237.37$1.8M9.2K2.7K

Top Procedures (20)

77280Management of radiation therapy simulation, simple
$2.7M
10.9K services$247.77/svc2.06x markup
0394THigh dose rate electronic brachytherapy
$1.3M
10.4K services$128.98/svc2.74x markup
77290Management of radiation therapy, simulation, complex
$914.6K
2.1K services$434.49/svc2.19x markup
G6015Intensity modulated treatment delivery, single or multiple fields/arcs,via narrow spatially and temporally modulated beams, binary, dynamic mlc, per treatment session
$627.8K
2.0K services$311.43/svc1.62x markup
77301Management of modulation radiotherapy planning
$427.1K
261 services$1.6K/svc1.36x markup
77427Radiation treatment management, 5 treatments
$221.6K
1.4K services$156.70/svc1.37x markup
77014CT scan guidance for insertion of radiation therapy fields
$205.1K
2.0K services$103.65/svc1.39x markup
99183Management and supervision of oxygen chamber therapy per session
$194.4K
1.7K services$114.63/svc2.12x markup
G0277Hyperbaric oxygen under pressure, full body chamber, per 30 minute interval
$136.9K
1.2K services$117.92/svc1.37x markup
0182THigh dose rate electronic brachytherapy
$128.4K
83 services$1.5K/svc1.61x markup
99214Established patient office or other outpatient, visit typically 25 minutes
$119.4K
1.3K services$95.19/svc1.72x markup
77338Design and construction of device for radiation therapy
$107.6K
262 services$410.71/svc1.35x markup
77336Radiation therapy consultation per week
$104.2K
1.5K services$70.83/svc1.46x markup
99213Established patient office or other outpatient visit, typically 15 minutes
$73.7K
1.1K services$68.08/svc2.56x markup
55874Injection of biodegradable material next to prostate
$44.0K
16 services$2.8K/svc2.06x markup
99204New patient office or other outpatient visit, typically 45 minutes
$34.8K
263 services$132.35/svc1.48x markup
G6001Ultrasonic guidance for placement of radiation therapy fieldsโš  3.3x markup
$32.9K
209 services$157.58/svc3.26x markup
77600Use of externally generated heat to increase temperature of cancer cell, heating to depths 4.0 cm or lessโš  3.1x markup
$26.1K
56 services$465.19/svc3.12x markup
99203New patient office or other outpatient visit, typically 30 minutes
$22.9K
252 services$90.98/svc2.46x markup
77300Calculation of radiation therapy dose
$20.9K
379 services$55.12/svc1.46x markup
Show detailed table โ–พ
CodeDescriptionServicesPaymentsAvg/ServiceMarkup
77280Management of radiation therapy simulation, simple10.9K$2.7M$247.772.06x
0394THigh dose rate electronic brachytherapy10.4K$1.3M$128.982.74x
77290Management of radiation therapy, simulation, complex2.1K$914.6K$434.492.19x
G6015Intensity modulated treatment delivery, single or multiple fields/arcs,via narrow spatially and temporally modulated beams, binary, dynamic mlc, per treatment session2.0K$627.8K$311.431.62x
77301Management of modulation radiotherapy planning261$427.1K$1.6K1.36x
77427Radiation treatment management, 5 treatments1.4K$221.6K$156.701.37x
77014CT scan guidance for insertion of radiation therapy fields2.0K$205.1K$103.651.39x
99183Management and supervision of oxygen chamber therapy per session1.7K$194.4K$114.632.12x
G0277Hyperbaric oxygen under pressure, full body chamber, per 30 minute interval1.2K$136.9K$117.921.37x
0182THigh dose rate electronic brachytherapy83$128.4K$1.5K1.61x
99214Established patient office or other outpatient, visit typically 25 minutes1.3K$119.4K$95.191.72x
77338Design and construction of device for radiation therapy262$107.6K$410.711.35x
77336Radiation therapy consultation per week1.5K$104.2K$70.831.46x
99213Established patient office or other outpatient visit, typically 15 minutes1.1K$73.7K$68.082.56x
55874Injection of biodegradable material next to prostate16$44.0K$2.8K2.06x
99204New patient office or other outpatient visit, typically 45 minutes263$34.8K$132.351.48x
G6001Ultrasonic guidance for placement of radiation therapy fields209$32.9K$157.583.26x
77600Use of externally generated heat to increase temperature of cancer cell, heating to depths 4.0 cm or less56$26.1K$465.193.12x
99203New patient office or other outpatient visit, typically 30 minutes252$22.9K$90.982.46x
77300Calculation of radiation therapy dose379$20.9K$55.121.46x

Markup Analysis

Charge-to-Payment Ratio

2.05x

This provider submits charges 2.05 times higher than what Medicare actually pays.

What This Means

A markup ratio of 2.05x means for every $100 Medicare pays, this provider initially charges $205. This is higher than the national average.

Location

Salinas, 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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