OpenMedicare
Start Here
Explore
Fraud
Investigations
Data
Tools
About

Footer

OpenMedicare

Independent Medicare data journalism

Sister Sites

  • OpenMedicaid
  • OpenFeds
  • OpenSpending

Explore

  • Providers
  • Procedures
  • States
  • Specialties
  • Search

Fraud Analysis

  • Still Out There (AI)
  • Fraud Overview
  • Fraud Watchlist
  • Deep Dive Profiles
  • Impossible Numbers
  • Report Fraud

Investigations

  • The Algorithm Knows
  • How We Built the Model
  • Internal Medicine Crisis
  • Florida & California Fraud
  • Million Dollar Flagged
  • All Investigations

Tools

  • Provider Lookup
  • Compare
  • Cost Calculator
  • Your Medicare Dollar
  • Downloads

About

  • About OpenMedicare
  • Methodology
  • Glossary
  • Data Sources
  • API Docs
  • Updates
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.
Sister Sites: OpenMedicaid ยท OpenFeds ยท OpenSpending

ยฉ 2026 OpenMedicare. Independent data journalism. Built by TheDataProject.ai

Methodologyโ€ขDownload Data
  1. Home
  2. Providers
  3. William Magnuson
๐ŸŽ—๏ธ
MDIndividual

William Magnuson, M.D.

NPI: 1730492588
Anchorage, AK
8 years of data
Radiation Oncology
$4.0M
Total Payments
7.4K
Beneficiaries
20.3K
Services
15.14x
Markup Ratio

Peer Comparison

96th
percentile in specialty
This provider$4.0M
Specialty median$300.5K

๐Ÿ“‹ Key Findings

1Billed $4.0M over 8 years
215.14x markup ratio (above median)
396th percentile in Radiation Oncology by payments
4Payments surged 481% in 2022
520 procedures with >3x markup
โœ“ No flags detected

๐Ÿ”Ž Data Analysis

This provider's $4.0M in total Medicare payments ranks in the 96th percentile of Radiation Oncology providers nationally.

Their average markup ratio of 15.14x is significantly above the specialty median of 5.0x.

Medicare payments to this provider grew 4197% from 2016 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 481% in 2022

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
2016$1.9K$119.9116.16x$1.8K$39.0K423159
2017$2.1K$145.7514.66x$2.0K$153.7K1.4K682
2018$2.1K$147.7414.13x$1.9K$201.8K1.9K841
2019$2.2K$153.4514.57x$2.1K$252.3K2.0K1.2K
2020$2.3K$153.6415.21x$2.2K$197.8K1.7K819
2021$2.3K$152.7615.38x$2.2K$213.9K2.0K872
2022$4.6K$322.2714.21x$4.3K$1.2M4.7K1.3K
2023$4.7K$309.4615.21x$4.4K$1.7M6.1K1.6K

Top Procedures (20)

G6015Intensity modulated treatment delivery, single or multiple fields/arcs,via narrow spatially and temporally modulated beams, binary, dynamic mlc, per treatment sessionโš  17.1x markup
$698.5K
2.2K services$320.41/svc17.15x markup
G0340Image-guided robotic linear accelerator-based stereotactic radiosurgery, delivery including collimator changes and custom plugging, fractionated treatment, all lesions, per session, second through fifth sessions, maximum five sessions per course of treatmeโš  12.9x markup
$666.7K
510 services$1.3K/svc12.87x markup
77301Management of modulation radiotherapy planningโš  15.3x markup
$478.3K
406 services$1.2K/svc15.33x markup
77014CT scan guidance for insertion of radiation therapy fieldsโš  13.1x markup
$423.5K
5.7K services$74.56/svc13.14x markup
77427Radiation treatment management, 5 treatmentsโš  15.2x markup
$342.6K
1.7K services$201.07/svc15.24x markup
G6017Intra-fraction localization and tracking of target or patient motion during delivery of radiation therapy (eg,3d positional tracking, gating, 3d surface tracking), each fraction of treatmentโš  14.2x markup
$249.2K
2.3K services$108.55/svc14.22x markup
77435Stereotactic radiation treatment management of 1 or more lesions using imaging guidance, per treatment courseโš  13.0x markup
$210.2K
307 services$684.81/svc12.96x markup
77338Design and construction of device for radiation therapyโš  16.3x markup
$165.8K
446 services$371.77/svc16.30x markup
77263Management of radiation therapy, complexโš  16.9x markup
$138.3K
776 services$178.24/svc16.93x markup
77295Management of radiation therapy, 3Dโš  25.8x markup
$82.7K
340 services$243.38/svc25.79x markup
99204New patient office or other outpatient visit, typically 45 minutesโš  5.7x markup
$82.2K
556 services$147.89/svc5.67x markup
77334Radiation treatment devices, design and construction, complexโš  15.8x markup
$72.2K
867 services$83.22/svc15.82x markup
77470Special radiation treatment procedureโš  30.6x markup
$54.9K
437 services$125.60/svc30.60x markup
G0339Image-guided robotic linear accelerator-based stereotactic radiosurgery, complete course of therapy in one session or first session of fractionated treatmentโš  11.7x markup
$50.1K
49 services$1.0K/svc11.74x markup
77336Continuing radiation therapy consultation per weekโš  14.5x markup
$44.3K
601 services$73.72/svc14.52x markup
77293Respiratory motion management simulationโš  16.4x markup
$41.9K
125 services$334.94/svc16.38x markup
77290Management of radiation therapy, simulation, complexโš  22.6x markup
$34.9K
395 services$88.34/svc22.64x markup
77300Calculation of radiation therapy doseโš  23.7x markup
$34.5K
740 services$46.62/svc23.71x markup
77333Radiation treatment devices, design and construction, intermediateโš  10.7x markup
$21.4K
198 services$108.22/svc10.68x markup
99213Established patient office or other outpatient visit, typically 15 minutesโš  6.9x markup
$16.9K
312 services$54.30/svc6.91x 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 session2.2K$698.5K$320.4117.15x
G0340Image-guided robotic linear accelerator-based stereotactic radiosurgery, delivery including collimator changes and custom plugging, fractionated treatment, all lesions, per session, second through fifth sessions, maximum five sessions per course of treatme510$666.7K$1.3K12.87x
77301Management of modulation radiotherapy planning406$478.3K$1.2K15.33x
77014CT scan guidance for insertion of radiation therapy fields5.7K$423.5K$74.5613.14x
77427Radiation treatment management, 5 treatments1.7K$342.6K$201.0715.24x
G6017Intra-fraction localization and tracking of target or patient motion during delivery of radiation therapy (eg,3d positional tracking, gating, 3d surface tracking), each fraction of treatment2.3K$249.2K$108.5514.22x
77435Stereotactic radiation treatment management of 1 or more lesions using imaging guidance, per treatment course307$210.2K$684.8112.96x
77338Design and construction of device for radiation therapy446$165.8K$371.7716.30x
77263Management of radiation therapy, complex776$138.3K$178.2416.93x
77295Management of radiation therapy, 3D340$82.7K$243.3825.79x
99204New patient office or other outpatient visit, typically 45 minutes556$82.2K$147.895.67x
77334Radiation treatment devices, design and construction, complex867$72.2K$83.2215.82x
77470Special radiation treatment procedure437$54.9K$125.6030.60x
G0339Image-guided robotic linear accelerator-based stereotactic radiosurgery, complete course of therapy in one session or first session of fractionated treatment49$50.1K$1.0K11.74x
77336Continuing radiation therapy consultation per week601$44.3K$73.7214.52x
77293Respiratory motion management simulation125$41.9K$334.9416.38x
77290Management of radiation therapy, simulation, complex395$34.9K$88.3422.64x
77300Calculation of radiation therapy dose740$34.5K$46.6223.71x
77333Radiation treatment devices, design and construction, intermediate198$21.4K$108.2210.68x
99213Established patient office or other outpatient visit, typically 15 minutes312$16.9K$54.306.91x

Markup Analysis

Charge-to-Payment Ratio

15.14x

This provider submits charges 15.14 times higher than what Medicare actually pays.

What This Means

A markup ratio of 15.14x means for every $100 Medicare pays, this provider initially charges $1514. This is higher than the national average.

Location

Anchorage, AK

Provider Verification

Always verify provider credentials and location before scheduling appointments. This data reflects Medicare payments and may not include all practice locations.

Related

Browse
โ† Back to Provider Directory
State
All providers in AK โ†’
Specialty
All Radiation Oncology providers โ†’
Tool
Compare this provider โ†’
Analysis
Fraud Watchlist โ†’
Search
Search all providers โ†’

Share This Provider

Share this provider's Medicare payment information

Share:

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.

Believe this data is inaccurate? Dispute this data