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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. Brennen Cheek
๐ŸŽ—๏ธ
MDIndividual

Brennen Cheek, M.D.

NPI: 1124066139
Dallas, TX
10 years of data
Radiation Oncology
$23.9M
Total Payments
297
Beneficiaries
147.5K
Services
4.66x
Markup Ratio

Peer Comparison

99th
percentile in specialty
This provider$23.9M
Specialty median$300.5K

๐Ÿ“‹ Key Findings

1Billed $23.9M over 10 years
24.66x markup ratio (above median)
399th percentile in Radiation Oncology by payments
459 services/day โ€” unusually high
5Payments surged 162% in 2019
614 procedures with >3x markup

This provider averages 59 services per working day

Based on 147.5K total services over 10 years (250 working days/year). Learn about impossible service volumes โ†’

๐Ÿ”Ž Data Analysis

This provider's $23.9M in total Medicare payments ranks in the 99th percentile of Radiation Oncology providers nationally.

Averaging 59 services per working day raises questions about billing patterns.

Medicare payments to this provider grew 327% 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 162% in 2019

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$810.73$117.326.91x$693.41$1.4M11.8K31
2015$860.67$128.226.71x$732.45$1.5M11.5K28
2016$834.54$115.737.21x$718.81$1.3M11.4K30
2017$793.09$121.816.51x$671.28$1.2M10.1K30
2018$791.41$121.436.52x$669.98$1.1M8.9K29
2019$712.84$172.694.13x$540.15$2.8M16.5K30
2020$785.62$166.714.71x$618.91$2.3M13.6K30
2021$728.91$202.593.60x$526.32$4.1M20.1K29
2022$822.38$188.024.37x$634.36$2.3M12.1K30
2023$638.95$187.263.41x$451.69$5.9M31.6K30

Top Procedures (20)

A9513Lutetium lu 177, dotatate, therapeutic, 1 millicurie
$8.7M
36.8K services$237.02/svc2.76x markup
A9607Lutetium lu 177 vipivotide tetraxetan, therapeutic, 1 millicurie
$3.6M
18.6K services$193.91/svc2.81x markup
G6015Intensity modulated treatment delivery, single or multiple fields/arcs,via narrow spatially and temporally modulated beams, binary, dynamic mlc, per treatment sessionโš  9.6x markup
$2.7M
9.3K services$287.43/svc9.58x markup
77301High precision radiation therapy planningโš  4.2x markup
$979.4K
632 services$1.5K/svc4.15x markup
77373Cranial lesion surgery using radiation over multiple sessionsโš  8.2x markup
$803.2K
801 services$1.0K/svc8.19x markup
77427Radiation treatment management, 5 treatment sessionsโš  7.1x markup
$608.1K
4.0K services$150.27/svc7.10x markup
G6011Radiation treatment delivery,3 or more separate treatment areas, custom blocking, tangential ports, wedges, rotational beam, compensators, electron beam; up to 5 mev
$582.9K
2.5K services$231.14/svc2.29x markup
77418Intensity modulated radiation treatment delivery per sessionโš  8.5x markup
$464.2K
1.5K services$312.81/svc8.50x markup
77300Calculation of radiation therapy doseโš  6.9x markup
$462.3K
8.7K services$52.91/svc6.88x markup
77334Design and construction of complex radiation treatment deviceโš  6.5x markup
$426.2K
3.9K services$108.10/svc6.50x markup
77290Obtaining data needed to develop the optimal radiation treatment, 3 or more treatment areas or any number of treatment areas where special treatment is involved
$401.3K
1.0K services$396.95/svc3.00x markup
77338Design and construction of radiation treatment device for high precision radiation therapyโš  6.7x markup
$361.2K
910 services$396.91/svc6.65x markup
G6012Radiation treatment delivery,3 or more separate treatment areas, custom blocking, tangential ports, wedges, rotational beam, compensators, electron beam; 6-10 mev
$332.6K
1.6K services$207.63/svc2.99x markup
G9678Oncology care model (ocm) monthly enhanced oncology services (meos) payment for ocm enhanced services. g9678 payments may only be made to ocm practitioners for ocm beneficiaries for the furnishment of enhanced services as defined in the ocm participation a
$327.7K
2.1K services$159.10/svc1.01x markup
G6013Radiation treatment delivery,3 or more separate treatment areas, custom blocking, tangential ports, wedges, rotational beam, compensators, electron beam; 11-19 mevโš  3.1x markup
$320.8K
1.5K services$209.55/svc3.14x markup
77014Ct guidance for insertion of radiation therapy fieldsโš  6.1x markup
$315.2K
3.2K services$99.07/svc6.13x markup
G6002Stereoscopic x-ray guidance for localization of target volume for the delivery of radiation therapyโš  11.1x markup
$273.6K
5.7K services$48.35/svc11.12x markup
77336Continuing radiation therapy consultation per weekโš  5.3x markup
$267.1K
4.2K services$64.25/svc5.34x markup
J0207Injection, amifostine, 500 mgโš  3.3x markup
$221.0K
591 services$373.94/svc3.26x markup
772953d radiation therapy planningโš  11.2x markup
$219.5K
564 services$389.26/svc11.24x markup
Show detailed table โ–พ
CodeDescriptionServicesPaymentsAvg/ServiceMarkup
A9513Lutetium lu 177, dotatate, therapeutic, 1 millicurie36.8K$8.7M$237.022.76x
A9607Lutetium lu 177 vipivotide tetraxetan, therapeutic, 1 millicurie18.6K$3.6M$193.912.81x
G6015Intensity modulated treatment delivery, single or multiple fields/arcs,via narrow spatially and temporally modulated beams, binary, dynamic mlc, per treatment session9.3K$2.7M$287.439.58x
77301High precision radiation therapy planning632$979.4K$1.5K4.15x
77373Cranial lesion surgery using radiation over multiple sessions801$803.2K$1.0K8.19x
77427Radiation treatment management, 5 treatment sessions4.0K$608.1K$150.277.10x
G6011Radiation treatment delivery,3 or more separate treatment areas, custom blocking, tangential ports, wedges, rotational beam, compensators, electron beam; up to 5 mev2.5K$582.9K$231.142.29x
77418Intensity modulated radiation treatment delivery per session1.5K$464.2K$312.818.50x
77300Calculation of radiation therapy dose8.7K$462.3K$52.916.88x
77334Design and construction of complex radiation treatment device3.9K$426.2K$108.106.50x
77290Obtaining data needed to develop the optimal radiation treatment, 3 or more treatment areas or any number of treatment areas where special treatment is involved1.0K$401.3K$396.953.00x
77338Design and construction of radiation treatment device for high precision radiation therapy910$361.2K$396.916.65x
G6012Radiation treatment delivery,3 or more separate treatment areas, custom blocking, tangential ports, wedges, rotational beam, compensators, electron beam; 6-10 mev1.6K$332.6K$207.632.99x
G9678Oncology care model (ocm) monthly enhanced oncology services (meos) payment for ocm enhanced services. g9678 payments may only be made to ocm practitioners for ocm beneficiaries for the furnishment of enhanced services as defined in the ocm participation a2.1K$327.7K$159.101.01x
G6013Radiation treatment delivery,3 or more separate treatment areas, custom blocking, tangential ports, wedges, rotational beam, compensators, electron beam; 11-19 mev1.5K$320.8K$209.553.14x
77014Ct guidance for insertion of radiation therapy fields3.2K$315.2K$99.076.13x
G6002Stereoscopic x-ray guidance for localization of target volume for the delivery of radiation therapy5.7K$273.6K$48.3511.12x
77336Continuing radiation therapy consultation per week4.2K$267.1K$64.255.34x
J0207Injection, amifostine, 500 mg591$221.0K$373.943.26x
772953d radiation therapy planning564$219.5K$389.2611.24x

Markup Analysis

Charge-to-Payment Ratio

4.66x

This provider submits charges 4.66 times higher than what Medicare actually pays.

What This Means

A markup ratio of 4.66x means for every $100 Medicare pays, this provider initially charges $466. This is higher than the national average.

Location

Dallas, TX

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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