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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. Mark Storey
๐ŸŽ—๏ธ
MDIndividual

Mark Storey, MD

NPI: 1578550851
Little Rock, AR
10 years of data
Radiation Oncology
$10.2M
Total Payments
13.3K
Beneficiaries
42.5K
Services
6.17x
Markup Ratio

Peer Comparison

99th
percentile in specialty
This provider$10.2M
Specialty median$300.5K

๐Ÿ“‹ Key Findings

1Billed $10.2M over 10 years
26.17x markup ratio (above median)
399th percentile in Radiation Oncology by payments
4Payments surged 998% in 2019
519 procedures with >3x markup
โœ“ No flags detected

๐Ÿ”Ž Data Analysis

This provider's $10.2M in total Medicare payments ranks in the 99th percentile of Radiation Oncology providers nationally.

Their average markup ratio of 6.17x is significantly above the specialty median of 5.0x.

Medicare payments to this provider grew 611% from 2014 to 2023.

71% of their billing comes from a single procedure code (77523 โ€” Proton treatment delivery, intermediate).

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 998% 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$609.80$88.886.86x$520.92$145.1K2.2K1.1K
2015$564.82$87.106.48x$477.72$139.9K2.0K881
2016$590.75$90.116.56x$500.64$111.0K1.6K847
2017$609.19$94.406.45x$514.79$148.1K2.2K989
2018$584.71$92.366.33x$492.35$140.2K2.1K966
2019$1.3K$248.965.20x$1.0K$1.5M5.6K1.4K
2020$1.4K$264.965.44x$1.2K$2.8M9.4K2.2K
2021$1.4K$240.715.67x$1.1K$2.6M8.2K2.0K
2022$1.6K$265.125.96x$1.3K$1.6M5.4K1.6K
2023$1.1K$168.076.28x$886.57$1.0M3.8K1.3K

Top Procedures (20)

77523Proton treatment delivery, intermediateโš  6.3x markup
$7.1M
10.3K services$686.11/svc6.32x markup
G6002Stereoscopic x-ray guidance for localization of target volume for the delivery of radiation therapyโš  5.3x markup
$585.5K
12.6K services$46.44/svc5.35x markup
77427Radiation treatment management, 5 treatmentsโš  5.4x markup
$530.6K
3.7K services$142.09/svc5.38x markup
55874Injection of biodegradable material next to prostateโš  5.7x markup
$385.1K
171 services$2.3K/svc5.65x markup
77290Management of radiation therapy, simulation, complexโš  5.3x markup
$200.6K
961 services$208.70/svc5.27x markup
77295Management of radiation therapy, 3Dโš  7.7x markup
$179.5K
703 services$255.30/svc7.67x markup
77280Management of radiation therapy simulation, simpleโš  5.2x markup
$154.2K
1.2K services$133.46/svc5.22x markup
77334Radiation treatment devices, design and construction, complexโš  6.8x markup
$136.1K
1.9K services$70.37/svc6.75x markup
G6015Intensity modulated treatment delivery, single or multiple fields/arcs,via narrow spatially and temporally modulated beams, binary, dynamic mlc, per treatment sessionโš  9.4x markup
$117.0K
468 services$250.04/svc9.40x markup
77336Radiation therapy consultation per weekโš  5.0x markup
$113.5K
2.0K services$57.89/svc5.03x markup
77263Management of radiation therapy, complexโš  9.1x markup
$94.7K
761 services$124.44/svc9.05x markup
77014CT scan guidance for insertion of radiation therapy fieldsโš  5.3x markup
$86.8K
1.3K services$68.70/svc5.25x markup
77525Proton treatment delivery, complexโš  5.8x markup
$84.6K
112 services$755.63/svc5.82x markup
77301Management of modulation radiotherapy planningโš  4.9x markup
$63.0K
150 services$420.10/svc4.88x markup
99204New patient office or other outpatient visit, typically 45 minutesโš  4.5x markup
$59.4K
513 services$115.70/svc4.50x markup
99205New patient office or other outpatient visit, typically 60 minutesโš  4.9x markup
$43.5K
291 services$149.50/svc4.89x markup
77307Radiation therapy planโš  5.1x markup
$38.6K
180 services$214.25/svc5.14x markup
77300Calculation of radiation therapy doseโš  7.5x markup
$30.6K
924 services$33.12/svc7.52x markup
77338Design and construction of device for radiation therapyโš  6.4x markup
$27.8K
153 services$181.90/svc6.39x markup
A4648Tissue marker, implantable, any type, each
$26.7K
136 services$196.11/svc1.29x markup
Show detailed table โ–พ
CodeDescriptionServicesPaymentsAvg/ServiceMarkup
77523Proton treatment delivery, intermediate10.3K$7.1M$686.116.32x
G6002Stereoscopic x-ray guidance for localization of target volume for the delivery of radiation therapy12.6K$585.5K$46.445.35x
77427Radiation treatment management, 5 treatments3.7K$530.6K$142.095.38x
55874Injection of biodegradable material next to prostate171$385.1K$2.3K5.65x
77290Management of radiation therapy, simulation, complex961$200.6K$208.705.27x
77295Management of radiation therapy, 3D703$179.5K$255.307.67x
77280Management of radiation therapy simulation, simple1.2K$154.2K$133.465.22x
77334Radiation treatment devices, design and construction, complex1.9K$136.1K$70.376.75x
G6015Intensity modulated treatment delivery, single or multiple fields/arcs,via narrow spatially and temporally modulated beams, binary, dynamic mlc, per treatment session468$117.0K$250.049.40x
77336Radiation therapy consultation per week2.0K$113.5K$57.895.03x
77263Management of radiation therapy, complex761$94.7K$124.449.05x
77014CT scan guidance for insertion of radiation therapy fields1.3K$86.8K$68.705.25x
77525Proton treatment delivery, complex112$84.6K$755.635.82x
77301Management of modulation radiotherapy planning150$63.0K$420.104.88x
99204New patient office or other outpatient visit, typically 45 minutes513$59.4K$115.704.50x
99205New patient office or other outpatient visit, typically 60 minutes291$43.5K$149.504.89x
77307Radiation therapy plan180$38.6K$214.255.14x
77300Calculation of radiation therapy dose924$30.6K$33.127.52x
77338Design and construction of device for radiation therapy153$27.8K$181.906.39x
A4648Tissue marker, implantable, any type, each136$26.7K$196.111.29x

Markup Analysis

Charge-to-Payment Ratio

6.17x

This provider submits charges 6.17 times higher than what Medicare actually pays.

What This Means

A markup ratio of 6.17x means for every $100 Medicare pays, this provider initially charges $617. This is higher than the national average.

Location

Little Rock, AR

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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