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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. Joshua Mondschein
๐ŸŽ—๏ธ
MDIndividual

Joshua Mondschein, MD

NPI: 1124239421
Nashville, TN
10 years of data
Radiation Oncology
$8.6M
Total Payments
10.8K
Beneficiaries
34.1K
Services
4.53x
Markup Ratio

Peer Comparison

98th
percentile in specialty
This provider$8.6M
Specialty median$300.5K

๐Ÿ“‹ Key Findings

1Billed $8.6M over 10 years
24.53x markup ratio (above median)
398th percentile in Radiation Oncology by payments
4Payments surged 450% in 2020
519 procedures with >3x markup
โœ“ No flags detected

๐Ÿ”Ž Data Analysis

This provider's $8.6M in total Medicare payments ranks in the 98th percentile of Radiation Oncology providers nationally.

Medicare payments to this provider grew 895% from 2014 to 2023.

65% 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 450% in 2020

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$616.27$110.595.57x$505.68$214.9K3.7K1.5K
2015$675.67$118.425.71x$557.25$152.3K2.2K992
2016$438.86$110.073.99x$328.79$164.5K2.4K1.1K
2017$352.28$90.353.90x$261.93$154.7K2.7K1.1K
2018$355.89$91.983.87x$263.91$127.0K2.3K978
2019$436.11$115.463.78x$320.65$159.4K2.5K1.1K
2020$1.5K$295.954.90x$1.2K$876.1K2.2K514
2021$1.2K$258.004.72x$958.93$2.2M5.3K1.2K
2022$1.4K$275.095.15x$1.1K$2.4M5.8K1.2K
2023$960.04$281.613.41x$678.43$2.1M4.9K1.1K

Top Procedures (20)

77523Proton treatment delivery, intermediateโš  4.3x markup
$5.5M
6.3K services$875.66/svc4.33x markup
77014CT scan guidance for insertion of radiation therapy fieldsโš  4.8x markup
$722.7K
9.5K services$75.85/svc4.83x markup
77525Proton treatment delivery, complexโš  5.5x markup
$649.8K
743 services$874.62/svc5.49x markup
77427Radiation treatment management, 5 treatmentsโš  4.5x markup
$455.4K
3.2K services$141.69/svc4.55x markup
77301Management of modulation radiotherapy planningโš  4.8x markup
$412.4K
440 services$937.33/svc4.76x markup
77263Management of radiation therapy, complexโš  6.4x markup
$100.9K
806 services$125.15/svc6.38x markup
99205New patient office or other outpatient visit, typically 60 minutesโš  3.0x markup
$95.4K
713 services$133.74/svc3.01x markup
77295Management of radiation therapy, 3Dโš  4.9x markup
$74.8K
447 services$167.27/svc4.92x markup
77373Cranial lesion surgery using radiation over multiple sessionsโš  5.2x markup
$69.7K
97 services$718.56/svc5.21x markup
77336Radiation therapy consultation per week
$64.4K
1.1K services$59.09/svc2.64x markup
G6002Stereoscopic x-ray guidance for localization of target volume for the delivery of radiation therapyโš  3.8x markup
$59.0K
3.8K services$15.57/svc3.77x markup
77334Radiation treatment devices, design and construction, complexโš  4.6x markup
$58.4K
1.0K services$56.53/svc4.61x markup
77435Stereotactic radiation treatment management of 1 or more lesions using imaging guidance, per treatment courseโš  4.8x markup
$41.6K
87 services$477.79/svc4.80x markup
99215Established patient office or other outpatient, visit typically 40 minutesโš  3.8x markup
$41.0K
513 services$79.90/svc3.83x markup
77338Design and construction of device for radiation therapyโš  3.6x markup
$36.3K
215 services$168.70/svc3.61x markup
77290Management of radiation therapy, simulation, complexโš  7.9x markup
$28.6K
471 services$60.80/svc7.94x markup
77421X-ray guidance for radiation therapy deliveryโš  6.5x markup
$24.0K
1.6K services$15.04/svc6.53x markup
77470Special radiation treatment procedureโš  4.9x markup
$23.4K
261 services$89.54/svc4.89x markup
77280Management of radiation therapy simulation, simpleโš  10.9x markup
$17.8K
652 services$27.24/svc10.87x markup
77300Calculation of radiation therapy doseโš  4.1x markup
$17.0K
692 services$24.57/svc4.14x markup
Show detailed table โ–พ
CodeDescriptionServicesPaymentsAvg/ServiceMarkup
77523Proton treatment delivery, intermediate6.3K$5.5M$875.664.33x
77014CT scan guidance for insertion of radiation therapy fields9.5K$722.7K$75.854.83x
77525Proton treatment delivery, complex743$649.8K$874.625.49x
77427Radiation treatment management, 5 treatments3.2K$455.4K$141.694.55x
77301Management of modulation radiotherapy planning440$412.4K$937.334.76x
77263Management of radiation therapy, complex806$100.9K$125.156.38x
99205New patient office or other outpatient visit, typically 60 minutes713$95.4K$133.743.01x
77295Management of radiation therapy, 3D447$74.8K$167.274.92x
77373Cranial lesion surgery using radiation over multiple sessions97$69.7K$718.565.21x
77336Radiation therapy consultation per week1.1K$64.4K$59.092.64x
G6002Stereoscopic x-ray guidance for localization of target volume for the delivery of radiation therapy3.8K$59.0K$15.573.77x
77334Radiation treatment devices, design and construction, complex1.0K$58.4K$56.534.61x
77435Stereotactic radiation treatment management of 1 or more lesions using imaging guidance, per treatment course87$41.6K$477.794.80x
99215Established patient office or other outpatient, visit typically 40 minutes513$41.0K$79.903.83x
77338Design and construction of device for radiation therapy215$36.3K$168.703.61x
77290Management of radiation therapy, simulation, complex471$28.6K$60.807.94x
77421X-ray guidance for radiation therapy delivery1.6K$24.0K$15.046.53x
77470Special radiation treatment procedure261$23.4K$89.544.89x
77280Management of radiation therapy simulation, simple652$17.8K$27.2410.87x
77300Calculation of radiation therapy dose692$17.0K$24.574.14x

Markup Analysis

Charge-to-Payment Ratio

4.53x

This provider submits charges 4.53 times higher than what Medicare actually pays.

What This Means

A markup ratio of 4.53x means for every $100 Medicare pays, this provider initially charges $453. This is higher than the national average.

Location

Nashville, TN

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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