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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. Claudia Perez-Tamayo
๐ŸŽ—๏ธ
MDIndividual

Claudia Perez-Tamayo, MD

NPI: 1366403537
Emporia, KS
10 years of data
Radiation Oncology
$6.9M
Total Payments
19.8K
Beneficiaries
57.9K
Services
4x
Markup Ratio

Peer Comparison

98th
percentile in specialty
This provider$6.9M
Specialty median$300.5K

๐Ÿ“‹ Key Findings

1Billed $6.9M over 10 years
24x markup ratio (above median)
398th percentile in Radiation Oncology by payments
4Payments surged 93% in 2020
519 procedures with >3x markup
โœ“ No flags detected

๐Ÿ”Ž Data Analysis

This provider's $6.9M in total Medicare payments ranks in the 98th percentile of Radiation Oncology providers nationally.

Medicare payments to this provider grew 106% 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 93% 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$265.72$80.253.31x$185.47$589.4K6.2K2.9K
2015$521.35$133.053.92x$388.30$302.9K3.8K1.6K
2016$557.25$146.503.80x$410.75$419.2K5.2K1.9K
2017$571.82$135.074.23x$436.75$408.0K4.8K1.8K
2018$622.50$157.293.96x$465.21$416.8K4.1K1.6K
2019$555.81$145.523.82x$410.29$521.6K4.0K1.6K
2020$474.41$120.043.95x$354.37$1.0M8.2K2.6K
2021$579.55$142.834.06x$436.72$1.2M8.4K2.4K
2022$620.79$136.524.55x$484.27$875.3K6.0K1.8K
2023$874.51$202.714.31x$671.80$1.2M7.0K1.6K

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  4.2x markup
$1.8M
6.6K services$269.48/svc4.23x markup
77427Radiation treatment management, 5 treatmentsโš  3.8x markup
$925.1K
6.5K services$141.96/svc3.80x markup
77301Management of modulation radiotherapy planningโš  4.0x markup
$597.2K
708 services$843.44/svc3.97x markup
78815Nuclear medicine study with CT imaging skull base to mid-thighโš  4.2x markup
$584.4K
587 services$995.51/svc4.19x markup
G6002Stereoscopic x-ray guidance for localization of target volume for the delivery of radiation therapyโš  4.0x markup
$555.8K
14.7K services$37.80/svc4.05x markup
77338Design and construction of device for radiation therapyโš  3.9x markup
$330.2K
1.3K services$255.56/svc3.94x markup
A9552Fluorodeoxyglucose f-18 fdg, diagnostic, per study dose, up to 45 millicuries
$246.5K
638 services$386.44/svc1.77x markup
G6012Radiation treatment delivery,3 or more separate treatment areas, custom blocking, tangential ports, wedges, rotational beam, compensators, electron beam; 6-10 mevโš  4.2x markup
$244.6K
1.3K services$183.09/svc4.22x markup
77263Management of radiation therapy, complexโš  3.9x markup
$170.2K
1.4K services$125.13/svc3.89x markup
77336Radiation therapy consultation per weekโš  4.1x markup
$159.4K
2.7K services$59.56/svc4.07x markup
77014CT scan guidance for insertion of radiation therapy fieldsโš  3.8x markup
$145.8K
2.6K services$56.51/svc3.83x markup
77290Management of radiation therapy, simulation, complexโš  3.9x markup
$143.3K
1.1K services$127.40/svc3.86x markup
77334Radiation treatment devices, design and construction, complexโš  4.0x markup
$130.8K
1.9K services$67.43/svc3.97x markup
G6013Radiation treatment delivery,3 or more separate treatment areas, custom blocking, tangential ports, wedges, rotational beam, compensators, electron beam; 11-19 mevโš  4.1x markup
$130.3K
707 services$184.35/svc4.12x markup
96413Infusion of chemotherapy into a vein up to 1 hourโš  4.0x markup
$79.0K
779 services$101.41/svc4.01x markup
77295Management of radiation therapy, 3Dโš  4.6x markup
$68.0K
302 services$225.28/svc4.56x markup
77300Calculation of radiation therapy doseโš  4.1x markup
$66.0K
1.9K services$35.54/svc4.09x markup
77280Management of radiation therapy simulation, simpleโš  3.9x markup
$63.7K
1.1K services$57.57/svc3.86x markup
99205New patient office or other outpatient visit, typically 60 minutesโš  4.3x markup
$60.5K
452 services$133.80/svc4.27x markup
77470Special radiation treatment procedureโš  5.5x markup
$51.5K
568 services$90.67/svc5.48x 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 session6.6K$1.8M$269.484.23x
77427Radiation treatment management, 5 treatments6.5K$925.1K$141.963.80x
77301Management of modulation radiotherapy planning708$597.2K$843.443.97x
78815Nuclear medicine study with CT imaging skull base to mid-thigh587$584.4K$995.514.19x
G6002Stereoscopic x-ray guidance for localization of target volume for the delivery of radiation therapy14.7K$555.8K$37.804.05x
77338Design and construction of device for radiation therapy1.3K$330.2K$255.563.94x
A9552Fluorodeoxyglucose f-18 fdg, diagnostic, per study dose, up to 45 millicuries638$246.5K$386.441.77x
G6012Radiation treatment delivery,3 or more separate treatment areas, custom blocking, tangential ports, wedges, rotational beam, compensators, electron beam; 6-10 mev1.3K$244.6K$183.094.22x
77263Management of radiation therapy, complex1.4K$170.2K$125.133.89x
77336Radiation therapy consultation per week2.7K$159.4K$59.564.07x
77014CT scan guidance for insertion of radiation therapy fields2.6K$145.8K$56.513.83x
77290Management of radiation therapy, simulation, complex1.1K$143.3K$127.403.86x
77334Radiation treatment devices, design and construction, complex1.9K$130.8K$67.433.97x
G6013Radiation treatment delivery,3 or more separate treatment areas, custom blocking, tangential ports, wedges, rotational beam, compensators, electron beam; 11-19 mev707$130.3K$184.354.12x
96413Infusion of chemotherapy into a vein up to 1 hour779$79.0K$101.414.01x
77295Management of radiation therapy, 3D302$68.0K$225.284.56x
77300Calculation of radiation therapy dose1.9K$66.0K$35.544.09x
77280Management of radiation therapy simulation, simple1.1K$63.7K$57.573.86x
99205New patient office or other outpatient visit, typically 60 minutes452$60.5K$133.804.27x
77470Special radiation treatment procedure568$51.5K$90.675.48x

Markup Analysis

Charge-to-Payment Ratio

4x

This provider submits charges 4 times higher than what Medicare actually pays.

What This Means

A markup ratio of 4x means for every $100 Medicare pays, this provider initially charges $400. This is higher than the national average.

Location

Emporia, KS

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.

Believe this data is inaccurate? Dispute this data