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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. Mark Rubin
๐ŸŽ—๏ธ
MDIndividual

Mark Rubin, M.D.

NPI: 1033192570
Bonita Springs, FL
10 years of data
Hematology-Oncology
$45.5M
Total Payments
685
Beneficiaries
4.2M
Services
3.34x
Markup Ratio

Peer Comparison

99th
percentile in specialty
This provider$45.5M
Specialty median$339.6K
Rank #17 of 60 in specialty

๐Ÿ“‹ Key Findings

1Billed $45.5M over 10 years
23.34x markup ratio (above median)
3Risk score: 66 โ€” flagged for review
499th percentile in Hematology-Oncology by payments
51.7K services/day โ€” physically implausible
610 procedures with >3x markup

โš ๏ธ Flagged for Review

Risk Score: 66
  • 65x specialty median spending
  • Markup 13.0x (specialty median: 4.0x)
  • 15x specialty median beneficiaries
  • 420x specialty median services
View Deep Dives โ†’Report Fraud โ†’

Statistical flag only โ€” not an accusation of fraud

โš ๏ธ This provider averages 1.7K services per working day โ€” physically unusual for an individual practitioner

Based on 4.2M total services over 10 years (250 working days/year). Learn about impossible service volumes โ†’

๐Ÿ”Ž Data Analysis

This provider's $45.5M in total Medicare payments ranks in the 99th percentile of Hematology-Oncology providers nationally.

Averaging 1.7K services per working day raises questions about billing patterns.

This provider has been statistically flagged with a risk score of 66/100. Statistical flags are not accusations of fraud.

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$31.44$9.083.46x$22.36$3.3M361.0K73
2015$29.30$8.933.28x$20.37$4.4M490.7K76
2016$29.85$8.923.35x$20.93$4.0M445.1K71
2017$37.12$11.653.19x$25.47$5.0M428.9K73
2018$33.91$10.213.32x$23.70$4.3M421.1K71
2019$33.10$10.323.21x$22.78$5.0M487.5K73
2020$41.51$12.853.23x$28.66$6.3M490.5K74
2021$38.54$11.143.46x$27.40$4.6M414.0K69
2022$44.35$13.033.40x$31.32$4.4M336.9K59
2023$42.82$11.933.59x$30.89$4.2M351.6K46

Top Procedures (20)

J9271Injection, pembrolizumab, 1 mgโš  3.1x markup
$9.4M
229.6K services$40.91/svc3.08x markup
J9299Injection, nivolumab, 1 mgโš  3.1x markup
$3.5M
159.2K services$21.71/svc3.12x markup
J1569Injection, immune globulin, (gammagard liquid), non-lyophilized, (e.g., liquid), 500 mgโš  3.0x markup
$3.1M
93.6K services$33.56/svc3.01x markup
J9310Injection, rituximab, 100 mg
$2.7M
4.4K services$616.35/svc2.50x markup
99214Established patient office or other outpatient visit, 30-39 minutesโš  3.1x markup
$2.0M
22.8K services$89.57/svc3.11x markup
J2505Injection, pegfilgrastim, 6 mg
$1.7M
568 services$3.0K/svc2.67x markup
J9035Injection, bevacizumab, 10 mg
$1.7M
29.9K services$55.70/svc2.71x markup
96413Administration of chemotherapy into vein, 1 hour or lessโš  3.6x markup
$1.4M
12.6K services$112.30/svc3.59x markup
J9312Injection, rituximab, 10 mgโš  3.3x markup
$1.3M
18.3K services$73.14/svc3.26x markup
J0897Injection, denosumab, 1 mg
$1.2M
86.1K services$14.06/svc2.86x markup
J9041Injection, bortezomib, 0.1 mg
$1.2M
35.5K services$33.67/svc2.93x markup
J0885Injection, epoetin alfa, (for non-esrd use), 1000 units
$1.1M
122.4K services$8.59/svc2.76x markup
J9144Injection, daratumumab, 10 mg and hyaluronidase-fihj
$816.8K
22.0K services$37.20/svc2.96x markup
Q5119Injection, rituximab-pvvr, biosimilar, (ruxience), 10 mgโš  4.0x markup
$745.4K
16.4K services$45.37/svc4.05x markup
J9355Injection, trastuzumab, 10 mg
$636.1K
9.0K services$70.69/svc2.29x markup
J9395Injection, fulvestrant, 25 mgโš  3.1x markup
$580.1K
9.5K services$61.26/svc3.11x markup
J9047Injection, carfilzomib, 1 mg
$533.9K
18.5K services$28.89/svc2.53x markup
J2353Injection, octreotide, depot form for intramuscular injection, 1 mg
$504.8K
3.9K services$129.78/svc2.07x markup
99215Established patient office or other outpatient visit, 40-54 minutesโš  3.1x markup
$453.0K
3.5K services$128.43/svc3.06x markup
J2469Injection, palonosetron hcl, 25 mcgโš  4.4x markup
$452.1K
44.3K services$10.21/svc4.40x markup
Show detailed table โ–พ
CodeDescriptionServicesPaymentsAvg/ServiceMarkup
J9271Injection, pembrolizumab, 1 mg229.6K$9.4M$40.913.08x
J9299Injection, nivolumab, 1 mg159.2K$3.5M$21.713.12x
J1569Injection, immune globulin, (gammagard liquid), non-lyophilized, (e.g., liquid), 500 mg93.6K$3.1M$33.563.01x
J9310Injection, rituximab, 100 mg4.4K$2.7M$616.352.50x
99214Established patient office or other outpatient visit, 30-39 minutes22.8K$2.0M$89.573.11x
J2505Injection, pegfilgrastim, 6 mg568$1.7M$3.0K2.67x
J9035Injection, bevacizumab, 10 mg29.9K$1.7M$55.702.71x
96413Administration of chemotherapy into vein, 1 hour or less12.6K$1.4M$112.303.59x
J9312Injection, rituximab, 10 mg18.3K$1.3M$73.143.26x
J0897Injection, denosumab, 1 mg86.1K$1.2M$14.062.86x
J9041Injection, bortezomib, 0.1 mg35.5K$1.2M$33.672.93x
J0885Injection, epoetin alfa, (for non-esrd use), 1000 units122.4K$1.1M$8.592.76x
J9144Injection, daratumumab, 10 mg and hyaluronidase-fihj22.0K$816.8K$37.202.96x
Q5119Injection, rituximab-pvvr, biosimilar, (ruxience), 10 mg16.4K$745.4K$45.374.05x
J9355Injection, trastuzumab, 10 mg9.0K$636.1K$70.692.29x
J9395Injection, fulvestrant, 25 mg9.5K$580.1K$61.263.11x
J9047Injection, carfilzomib, 1 mg18.5K$533.9K$28.892.53x
J2353Injection, octreotide, depot form for intramuscular injection, 1 mg3.9K$504.8K$129.782.07x
99215Established patient office or other outpatient visit, 40-54 minutes3.5K$453.0K$128.433.06x
J2469Injection, palonosetron hcl, 25 mcg44.3K$452.1K$10.214.40x

Markup Analysis

Charge-to-Payment Ratio

3.34x

This provider submits charges 3.34 times higher than what Medicare actually pays.

What This Means

A markup ratio of 3.34x means for every $100 Medicare pays, this provider initially charges $334. This is higher than the national average.

Location

Bonita Springs, 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 Hematology-Oncology providers in FL for peer comparison.

Mark Rubin (you)
$45.5M
Christopher Lobo, MDโš ๏ธ
$60.5M
Maen Hussein, M.D.
$57.6M
Vikas Malhotra, M.D.
$52.8M
Andrew Lipman, M.D.โš ๏ธ
$51.1M
Syed Zafar, M.D.โš ๏ธ
$48.1M
Show detailed table โ–พ
ProviderLocationTotal PaymentsStatus
Christopher Lobo, MDPort Charlotte, FL$60.5Mโš ๏ธ Flagged
Maen Hussein, M.D.Tavares, FL$57.6Mโœ“ Clear
Vikas Malhotra, M.D.Spring Hill, FL$52.8Mโœ“ Clear
Andrew Lipman, M.D.Naples, FL$51.1Mโš ๏ธ Flagged
Syed Zafar, M.D.Fort Myers, FL$48.1Mโš ๏ธ Flagged

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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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