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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. Brendan Prendergast
๐ŸŽ—๏ธ
MDIndividual

Brendan Prendergast, M.D.

NPI: 1497928394
Melbourne, FL
10 years of data
Radiation Oncology
$12.0M
Total Payments
20.8K
Beneficiaries
70.1K
Services
3.25x
Markup Ratio

Peer Comparison

99th
percentile in specialty
This provider$12.0M
Specialty median$300.5K

๐Ÿ“‹ Key Findings

1Billed $12.0M over 10 years
23.25x markup ratio (above median)
399th percentile in Radiation Oncology by payments
49 procedures with >3x markup
โœ“ No flags detected

๐Ÿ”Ž Data Analysis

This provider's $12.0M 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$1.6K$223.996.99x$1.3K$1.2M6.6K2.0K
2015$1.1K$187.705.72x$885.68$1.1M6.3K2.0K
2016$537.07$202.492.65x$334.58$1.0M6.1K1.9K
2017$433.94$156.692.77x$277.25$1.1M6.3K2.0K
2018$441.06$164.342.68x$276.72$1.2M7.3K2.1K
2019$396.91$152.862.60x$244.05$1.0M6.3K2.0K
2020$370.80$145.282.55x$225.52$1.2M7.4K2.2K
2021$493.88$197.762.50x$296.12$1.4M7.8K2.1K
2022$542.21$211.652.56x$330.56$1.2M7.1K1.8K
2023$495.31$186.992.65x$308.32$1.5M8.9K2.8K

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
$3.6M
13.0K services$275.62/svc2.99x markup
77301Management of modulation radiotherapy planning
$1.2M
792 services$1.5K/svc2.94x markup
G6012Radiation treatment delivery,3 or more separate treatment areas, custom blocking, tangential ports, wedges, rotational beam, compensators, electron beam; 6-10mev
$902.7K
4.7K services$192.96/svc2.62x markup
77427Radiation treatment management, 5 treatments
$772.0K
5.1K services$150.60/svc2.95x markup
G6013Radiation treatment delivery,3 or more separate treatment areas, custom blocking, tangential ports, wedges, rotational beam, compensators, electron beam; 11-19mev
$761.6K
3.9K services$196.54/svc2.74x markup
G6002Stereoscopic x-ray guidance for localization of target volume for the delivery of radiation therapyโš  3.2x markup
$743.4K
12.8K services$57.90/svc3.20x markup
77373Stereotactic body radiation therapy 1 or more lesions using imaging guidanceโš  3.1x markup
$634.8K
677 services$937.66/svc3.13x markup
77418Intensity modulated radiation treatment delivery per sessionโš  6.8x markup
$408.2K
1.4K services$293.02/svc6.83x markup
77338Design and construction of device for radiation therapy
$303.3K
804 services$377.19/svc2.96x markup
77336Radiation therapy consultation per weekโš  3.1x markup
$300.3K
4.8K services$61.99/svc3.07x markup
77014CT scan guidance for insertion of radiation therapy fieldsโš  3.1x markup
$274.0K
3.0K services$92.74/svc3.10x markup
77290Management of radiation therapy, simulation, complex
$245.8K
825 services$297.93/svc2.99x markup
77295Management of radiation therapy, 3Dโš  3.7x markup
$208.6K
554 services$376.52/svc3.74x markup
77263Management of radiation therapy, complexโš  3.2x markup
$182.7K
1.4K services$131.65/svc3.16x markup
99205New patient office or other outpatient visit, typically 60 minutes
$160.8K
980 services$164.03/svc2.61x markup
77334Radiation treatment devices, design and construction, complexโš  3.3x markup
$157.8K
1.7K services$94.08/svc3.34x markup
77280Management of radiation therapy simulation, simple
$154.5K
744 services$207.72/svc2.67x markup
99214Established patient office or other outpatient, visit typically 25 minutes
$133.4K
1.6K services$85.62/svc2.66x markup
77421X-ray guidance for radiation therapy deliveryโš  8.9x markup
$99.1K
1.8K services$55.94/svc8.94x markup
77435Stereotactic radiation treatment management of 1 or more lesions using imaging guidance, per treatment course
$90.8K
179 services$507.21/svc2.82x 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 session13.0K$3.6M$275.622.99x
77301Management of modulation radiotherapy planning792$1.2M$1.5K2.94x
G6012Radiation treatment delivery,3 or more separate treatment areas, custom blocking, tangential ports, wedges, rotational beam, compensators, electron beam; 6-10mev4.7K$902.7K$192.962.62x
77427Radiation treatment management, 5 treatments5.1K$772.0K$150.602.95x
G6013Radiation treatment delivery,3 or more separate treatment areas, custom blocking, tangential ports, wedges, rotational beam, compensators, electron beam; 11-19mev3.9K$761.6K$196.542.74x
G6002Stereoscopic x-ray guidance for localization of target volume for the delivery of radiation therapy12.8K$743.4K$57.903.20x
77373Stereotactic body radiation therapy 1 or more lesions using imaging guidance677$634.8K$937.663.13x
77418Intensity modulated radiation treatment delivery per session1.4K$408.2K$293.026.83x
77338Design and construction of device for radiation therapy804$303.3K$377.192.96x
77336Radiation therapy consultation per week4.8K$300.3K$61.993.07x
77014CT scan guidance for insertion of radiation therapy fields3.0K$274.0K$92.743.10x
77290Management of radiation therapy, simulation, complex825$245.8K$297.932.99x
77295Management of radiation therapy, 3D554$208.6K$376.523.74x
77263Management of radiation therapy, complex1.4K$182.7K$131.653.16x
99205New patient office or other outpatient visit, typically 60 minutes980$160.8K$164.032.61x
77334Radiation treatment devices, design and construction, complex1.7K$157.8K$94.083.34x
77280Management of radiation therapy simulation, simple744$154.5K$207.722.67x
99214Established patient office or other outpatient, visit typically 25 minutes1.6K$133.4K$85.622.66x
77421X-ray guidance for radiation therapy delivery1.8K$99.1K$55.948.94x
77435Stereotactic radiation treatment management of 1 or more lesions using imaging guidance, per treatment course179$90.8K$507.212.82x

Markup Analysis

Charge-to-Payment Ratio

3.25x

This provider submits charges 3.25 times higher than what Medicare actually pays.

What This Means

A markup ratio of 3.25x means for every $100 Medicare pays, this provider initially charges $325. This is higher than the national average.

Location

Melbourne, FL

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 Radiation Oncology providers in FL for peer comparison.

Brendan Prendergast (you)
$12.0M
Timothy Kerwin, MD
$42.2M
Scot Ackerman, MD
$37.7M
Constantine Mantz, MD
$33.8M
Show detailed table โ–พ
ProviderLocationTotal PaymentsStatus
Timothy Kerwin, MDNaples, FL$42.2Mโœ“ Clear
Scot Ackerman, MDJacksonville, FL$37.7Mโœ“ Clear
Constantine Mantz, MDCape Coral, FL$33.8Mโœ“ 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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