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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. Dennis Sanders
๐ŸŽ—๏ธ
MDIndividual

Dennis Sanders, M.D.

NPI: 1982603221
Colchester, VT
10 years of data
Medical Oncology
$4.9M
Total Payments
35.0K
Beneficiaries
129.4K
Services
2.6x
Markup Ratio

Peer Comparison

97th
percentile in specialty
This provider$4.9M
Specialty median$262.8K

๐Ÿ“‹ Key Findings

1Billed $4.9M over 10 years
22.6x markup ratio (above median)
397th percentile in Medical Oncology by payments
452 services/day โ€” unusually high
513 procedures with >3x markup

This provider averages 52 services per working day

Based on 129.4K total services over 10 years (250 working days/year). Learn about impossible service volumes โ†’

๐Ÿ”Ž Data Analysis

This provider's $4.9M in total Medicare payments ranks in the 97th percentile of Medical Oncology providers nationally.

Averaging 52 services per working day raises questions about billing patterns.

AI-generated analysis based on Medicare payment data.

Annual Medicare Payments

Annual Services Provided

Avg Payment per Service

Markup Ratio Over Time

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$204.94$99.882.05x$105.06$576.4K13.6K3.2K
2015$206.42$101.422.04x$105.00$634.1K15.6K4.0K
2016$186.09$100.611.85x$85.48$658.3K15.9K4.0K
2017$188.88$107.961.75x$80.92$582.3K13.7K4.0K
2018$118.80$48.582.45x$70.22$442.3K10.9K3.2K
2019$101.72$32.713.11x$69.01$473.0K14.8K3.6K
2020$91.09$31.912.85x$59.18$429.9K13.3K3.5K
2021$99.73$32.793.04x$66.94$473.9K13.5K3.6K
2022$95.38$30.663.11x$64.72$361.9K10.4K3.3K
2023$112.04$36.123.10x$75.92$290.8K7.8K2.7K

Top Procedures (20)

99214Established patient office or other outpatient, visit typically 25 minutes
$1.2M
14.8K services$82.46/svc1.88x markup
96413Infusion of chemotherapy into a vein up to 1 hourโš  3.5x markup
$794.7K
7.3K services$109.06/svc3.48x markup
99215Established patient office or other outpatient, visit typically 40 minutes
$724.7K
6.3K services$115.95/svc1.81x markup
J9310Injection, rituximab, 100 mg
$441.8K
731 services$604.43/svc1.33x markup
J2505Injection, pegfilgrastim, 6 mg
$361.0K
123 services$2.9K/svc1.39x markup
99205New patient office or other outpatient visit, typically 60 minutes
$203.5K
1.3K services$152.44/svc2.01x markup
80053Blood test, comprehensive group of blood chemicalsโš  3.7x markup
$123.0K
10.4K services$11.81/svc3.73x markup
85025Complete blood cell count (red cells, white blood cell, platelets), automated testโš  3.9x markup
$119.9K
13.3K services$9.00/svc3.89x markup
96367Infusion into a vein for therapy prevention or diagnosis additional sequential infusion up to 1 hourโš  4.0x markup
$118.3K
4.9K services$23.94/svc4.01x markup
96417Infusion of different chemotherapy drug or substance into a vein up to 1 hourโš  3.7x markup
$106.4K
2.0K services$52.10/svc3.69x markup
96375Injection of different drug or substance into a vein for therapy, diagnosis, or preventionโš  4.5x markup
$77.8K
5.2K services$15.06/svc4.52x markup
96365Infusion into a vein for therapy, prevention, or diagnosis up to 1 hourโš  3.4x markup
$56.5K
1.1K services$53.37/svc3.37x markup
J2469Injection, palonosetron hcl, 25 mcgโš  4.2x markup
$49.6K
4.2K services$11.81/svc4.24x markup
36415Insertion of needle into vein for collection of blood sampleโš  8.9x markup
$47.7K
14.2K services$3.37/svc8.91x markup
96411Infusion of different chemotherapy drug or substance into a veinโš  3.6x markup
$43.8K
930 services$47.08/svc3.62x markup
96401Non-hormonal anti-neoplastic chemotherapy beneath the skin or into muscle
$42.8K
678 services$63.05/svc1.82x markup
99213Established patient office or other outpatient visit, typically 15 minutes
$42.2K
763 services$55.26/svc1.89x markup
96409Infusion of chemotherapy into a vein using push techniqueโš  3.2x markup
$41.9K
495 services$84.56/svc3.19x markup
96415Infusion of chemotherapy into a veinโš  8.4x markup
$41.4K
1.8K services$22.88/svc8.39x markup
96372Injection beneath the skin or into muscle for therapy, diagnosis, or preventionโš  3.1x markup
$40.1K
2.6K services$15.51/svc3.10x markup
Show detailed table โ–พ
CodeDescriptionServicesPaymentsAvg/ServiceMarkup
99214Established patient office or other outpatient, visit typically 25 minutes14.8K$1.2M$82.461.88x
96413Infusion of chemotherapy into a vein up to 1 hour7.3K$794.7K$109.063.48x
99215Established patient office or other outpatient, visit typically 40 minutes6.3K$724.7K$115.951.81x
J9310Injection, rituximab, 100 mg731$441.8K$604.431.33x
J2505Injection, pegfilgrastim, 6 mg123$361.0K$2.9K1.39x
99205New patient office or other outpatient visit, typically 60 minutes1.3K$203.5K$152.442.01x
80053Blood test, comprehensive group of blood chemicals10.4K$123.0K$11.813.73x
85025Complete blood cell count (red cells, white blood cell, platelets), automated test13.3K$119.9K$9.003.89x
96367Infusion into a vein for therapy prevention or diagnosis additional sequential infusion up to 1 hour4.9K$118.3K$23.944.01x
96417Infusion of different chemotherapy drug or substance into a vein up to 1 hour2.0K$106.4K$52.103.69x
96375Injection of different drug or substance into a vein for therapy, diagnosis, or prevention5.2K$77.8K$15.064.52x
96365Infusion into a vein for therapy, prevention, or diagnosis up to 1 hour1.1K$56.5K$53.373.37x
J2469Injection, palonosetron hcl, 25 mcg4.2K$49.6K$11.814.24x
36415Insertion of needle into vein for collection of blood sample14.2K$47.7K$3.378.91x
96411Infusion of different chemotherapy drug or substance into a vein930$43.8K$47.083.62x
96401Non-hormonal anti-neoplastic chemotherapy beneath the skin or into muscle678$42.8K$63.051.82x
99213Established patient office or other outpatient visit, typically 15 minutes763$42.2K$55.261.89x
96409Infusion of chemotherapy into a vein using push technique495$41.9K$84.563.19x
96415Infusion of chemotherapy into a vein1.8K$41.4K$22.888.39x
96372Injection beneath the skin or into muscle for therapy, diagnosis, or prevention2.6K$40.1K$15.513.10x

Markup Analysis

Charge-to-Payment Ratio

2.6x

This provider submits charges 2.6 times higher than what Medicare actually pays.

What This Means

A markup ratio of 2.6x means for every $100 Medicare pays, this provider initially charges $260. This is higher than the national average.

Location

Colchester, VT

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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