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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. David Diamond
๐ŸŽ—๏ธ
MDIndividual

David Diamond, M.D

NPI: 1528069671
Winter Park, FL
10 years of data
Radiation Oncology
$10.7M
Total Payments
204
Beneficiaries
63.0K
Services
3x
Markup Ratio

Peer Comparison

99th
percentile in specialty
This provider$10.7M
Specialty median$300.5K

๐Ÿ“‹ Key Findings

1Billed $10.7M over 10 years
23x markup ratio (above median)
399th percentile in Radiation Oncology by payments
4Payments surged 2013% in 2017
518 procedures with >3x markup
โœ“ No flags detected

๐Ÿ”Ž Data Analysis

This provider's $10.7M in total Medicare payments ranks in the 99th percentile of Radiation Oncology providers nationally.

Medicare payments to this provider grew 1006% 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 2013% in 2017

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$194.75$66.952.91x$127.80$298.5K4.5K24
2015$606.70$151.464.01x$455.24$362.1K2.4K15
2016$772.72$179.044.32x$593.68$36.7K2052
2017$601.65$184.543.26x$417.11$775.6K4.2K22
2018$564.61$174.443.24x$390.17$1.1M6.2K24
2019$571.58$175.013.27x$396.57$1.1M6.4K23
2020$603.21$187.633.21x$415.58$1.2M6.3K26
2021$582.46$186.243.13x$396.22$948.2K5.1K23
2022$515.67$176.082.93x$339.59$1.6M9.1K24
2023$455.52$177.062.57x$278.46$3.3M18.6K21

Top Procedures (20)

A9607Lutetium lu 177 vipivotide tetraxetan, therapeutic, 1 millicurie
$3.1M
16.8K services$186.38/svc2.28x markup
G6015Intensity modulated treatment delivery, single or multiple fields/arcs,via narrow spatially and temporally modulated beams, binary, dynamic mlc, per treatment sessionโš  3.6x markup
$2.2M
8.1K services$273.58/svc3.58x markup
G6012Radiation treatment delivery,3 or more separate treatment areas, custom blocking, tangential ports, wedges, rotational beam, compensators, electron beam; 6-10 mev
$926.3K
4.9K services$189.85/svc2.97x markup
77301High precision radiation therapy planningโš  3.2x markup
$732.7K
515 services$1.4K/svc3.22x markup
77014Ct guidance for insertion of radiation therapy fieldsโš  3.2x markup
$721.7K
7.8K services$92.84/svc3.16x markup
77427Radiation treatment management, 5 treatment sessionsโš  3.1x markup
$567.1K
3.8K services$150.10/svc3.10x 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 involvedโš  3.3x markup
$313.1K
964 services$324.75/svc3.32x markup
77338Design and construction of radiation treatment device for high precision radiation therapyโš  3.3x markup
$245.8K
667 services$368.47/svc3.28x markup
G6013Radiation treatment delivery,3 or more separate treatment areas, custom blocking, tangential ports, wedges, rotational beam, compensators, electron beam; 11-19 mevโš  3.2x markup
$222.8K
1.1K services$193.70/svc3.20x markup
77336Continuing radiation therapy consultation per weekโš  3.0x markup
$205.6K
3.3K services$62.00/svc3.03x markup
77334Design and construction of complex radiation treatment deviceโš  3.7x markup
$155.5K
1.7K services$91.54/svc3.68x markup
77300Calculation of radiation therapy doseโš  3.1x markup
$143.5K
3.0K services$47.51/svc3.09x 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  3.1x markup
$140.3K
131 services$1.1K/svc3.08x markup
77280Obtaining data needed to develop the optimal radiation treatment, 1 treatment areaโš  3.2x markup
$123.7K
660 services$187.42/svc3.17x markup
99205New patient office or other outpatient visit, 60-74 minutesโš  3.2x markup
$101.1K
632 services$159.93/svc3.18x markup
77263Complex radiation therapy planningโš  3.3x markup
$99.9K
808 services$123.69/svc3.31x markup
G6002Stereoscopic x-ray guidance for localization of target volume for the delivery of radiation therapyโš  3.3x markup
$96.7K
1.7K services$56.36/svc3.26x markup
77373Stereotactic body radiation therapy 1 or more lesions using imaging guidanceโš  3.1x markup
$92.9K
89 services$1.0K/svc3.12x markup
99213Established patient office or other outpatient visit, 20-29 minutesโš  3.2x markup
$77.8K
1.3K services$58.13/svc3.18x markup
772953d radiation therapy planningโš  3.1x markup
$58.4K
186 services$314.10/svc3.15x markup
Show detailed table โ–พ
CodeDescriptionServicesPaymentsAvg/ServiceMarkup
A9607Lutetium lu 177 vipivotide tetraxetan, therapeutic, 1 millicurie16.8K$3.1M$186.382.28x
G6015Intensity modulated treatment delivery, single or multiple fields/arcs,via narrow spatially and temporally modulated beams, binary, dynamic mlc, per treatment session8.1K$2.2M$273.583.58x
G6012Radiation treatment delivery,3 or more separate treatment areas, custom blocking, tangential ports, wedges, rotational beam, compensators, electron beam; 6-10 mev4.9K$926.3K$189.852.97x
77301High precision radiation therapy planning515$732.7K$1.4K3.22x
77014Ct guidance for insertion of radiation therapy fields7.8K$721.7K$92.843.16x
77427Radiation treatment management, 5 treatment sessions3.8K$567.1K$150.103.10x
77290Obtaining data needed to develop the optimal radiation treatment, 3 or more treatment areas or any number of treatment areas where special treatment is involved964$313.1K$324.753.32x
77338Design and construction of radiation treatment device for high precision radiation therapy667$245.8K$368.473.28x
G6013Radiation treatment delivery,3 or more separate treatment areas, custom blocking, tangential ports, wedges, rotational beam, compensators, electron beam; 11-19 mev1.1K$222.8K$193.703.20x
77336Continuing radiation therapy consultation per week3.3K$205.6K$62.003.03x
77334Design and construction of complex radiation treatment device1.7K$155.5K$91.543.68x
77300Calculation of radiation therapy dose3.0K$143.5K$47.513.09x
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 treatme131$140.3K$1.1K3.08x
77280Obtaining data needed to develop the optimal radiation treatment, 1 treatment area660$123.7K$187.423.17x
99205New patient office or other outpatient visit, 60-74 minutes632$101.1K$159.933.18x
77263Complex radiation therapy planning808$99.9K$123.693.31x
G6002Stereoscopic x-ray guidance for localization of target volume for the delivery of radiation therapy1.7K$96.7K$56.363.26x
77373Stereotactic body radiation therapy 1 or more lesions using imaging guidance89$92.9K$1.0K3.12x
99213Established patient office or other outpatient visit, 20-29 minutes1.3K$77.8K$58.133.18x
772953d radiation therapy planning186$58.4K$314.103.15x

Markup Analysis

Charge-to-Payment Ratio

3x

This provider submits charges 3 times higher than what Medicare actually pays.

What This Means

A markup ratio of 3x means for every $100 Medicare pays, this provider initially charges $300. This is higher than the national average.

Location

Winter Park, FL

Provider Verification

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

Similar Providers

Other Radiation Oncology providers in FL for peer comparison.

David Diamond (you)
$10.7M
Timothy Kerwin, MD
$42.2M
Scot Ackerman, MD
$37.7M
Constantine Mantz, MD
$33.8M
Show detailed table โ–พ
ProviderLocationTotal PaymentsStatus
Timothy Kerwin, MDNaples, FL$42.2Mโœ“ Clear
Scot Ackerman, MDJacksonville, FL$37.7Mโœ“ Clear
Constantine Mantz, MDCape Coral, FL$33.8Mโœ“ Clear

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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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