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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.
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. Luis Chu
๐ŸŽ—๏ธ
MDIndividual

Luis Chu, M.D.

NPI: 1336130046
Sarasota, FL
10 years of data
Hematology-Oncology
$31.6M
Total Payments
618
Beneficiaries
2.5M
Services
3.36x
Markup Ratio

Peer Comparison

99th
percentile in specialty
This provider$31.6M
Specialty median$339.6K

๐Ÿ“‹ Key Findings

1Billed $31.6M over 10 years
23.36x markup ratio (above median)
399th percentile in Hematology-Oncology by payments
41.0K services/day โ€” physically implausible
511 procedures with >3x markup

โš ๏ธ This provider averages 1.0K services per working day โ€” physically unusual for an individual practitioner

Based on 2.5M total services over 10 years (250 working days/year). Learn about impossible service volumes โ†’

๐Ÿ”Ž Data Analysis

This provider's $31.6M in total Medicare payments ranks in the 99th percentile of Hematology-Oncology providers nationally.

Averaging 1.0K 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$41.42$12.703.26x$28.72$3.5M273.4K72
2015$36.41$10.863.35x$25.55$3.1M287.0K68
2016$30.84$9.293.32x$21.55$2.6M284.5K70
2017$43.25$12.623.43x$30.63$3.3M260.6K71
2018$34.23$10.073.40x$24.16$2.8M275.1K60
2019$40.35$12.483.23x$27.87$2.5M202.1K61
2020$45.78$13.073.50x$32.71$3.0M233.1K61
2021$49.48$14.973.31x$34.51$3.7M248.0K55
2022$47.19$14.233.32x$32.96$3.8M268.0K58
2023$53.04$15.413.44x$37.63$3.2M208.1K42

Top Procedures (20)

J9271Injection, pembrolizumab, 1 mgโš  3.1x markup
$4.4M
108.0K services$40.66/svc3.07x markup
J9144Injection, daratumumab, 10 mg and hyaluronidase-fihjโš  3.0x markup
$3.5M
96.1K services$36.52/svc3.01x markup
J0897Injection, denosumab, 1 mg
$2.4M
171.4K services$14.19/svc2.85x markup
J9310Injection, rituximab, 100 mg
$2.3M
3.8K services$605.72/svc2.48x markup
99214Established patient office or other outpatient visit, 30-39 minutesโš  3.3x markup
$1.6M
19.0K services$85.58/svc3.31x markup
J2505Injection, pegfilgrastim, 6 mg
$1.6M
544 services$3.0K/svc2.92x markup
J1569Injection, immune globulin, (gammagard liquid), non-lyophilized, (e.g., liquid), 500 mg
$1.4M
40.9K services$34.51/svc3.00x markup
J0885Injection, epoetin alfa, (for non-esrd use), 1000 units
$1.2M
143.9K services$8.56/svc2.78x markup
78815Nuclear medicine study with ct imaging skull base to mid-thighโš  4.1x markup
$869.9K
828 services$1.1K/svc4.08x markup
96413Administration of chemotherapy into vein, 1 hour or lessโš  3.9x markup
$797.4K
7.6K services$104.65/svc3.85x markup
J9035Injection, bevacizumab, 10 mg
$786.6K
14.6K services$53.91/svc2.67x markup
J9999Not otherwise classified, antineoplastic drugsโš  4.8x markup
$686.9K
13.4K services$51.18/svc4.85x markup
J9299Injection, nivolumab, 1 mgโš  3.1x markup
$645.3K
30.9K services$20.90/svc3.13x markup
J9312Injection, rituximab, 10 mgโš  3.2x markup
$621.6K
8.4K services$74.42/svc3.21x markup
J9305Injection, pemetrexed, 10 mg
$579.4K
12.1K services$47.89/svc2.59x markup
Q5119Injection, rituximab-pvvr, biosimilar, (ruxience), 10 mgโš  5.0x markup
$515.0K
14.0K services$36.69/svc5.00x markup
J1568Injection, immune globulin, (octagam), intravenous, non-lyophilized (e.g., liquid), 500 mgโš  3.1x markup
$413.3K
13.6K services$30.32/svc3.13x markup
G9678Oncology care model (ocm) monthly enhanced oncology services (meos) payment for ocm enhanced services. g9678 payments may only be made to ocm practitioners for ocm beneficiaries for the furnishment of enhanced services as defined in the ocm participation a
$355.5K
2.2K services$158.08/svc2.53x markup
J9041Injection, bortezomib, 0.1 mg
$342.2K
9.5K services$36.12/svc2.60x markup
85025Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell countโš  3.2x markup
$334.4K
36.8K services$9.08/svc3.20x markup
Show detailed table โ–พ
CodeDescriptionServicesPaymentsAvg/ServiceMarkup
J9271Injection, pembrolizumab, 1 mg108.0K$4.4M$40.663.07x
J9144Injection, daratumumab, 10 mg and hyaluronidase-fihj96.1K$3.5M$36.523.01x
J0897Injection, denosumab, 1 mg171.4K$2.4M$14.192.85x
J9310Injection, rituximab, 100 mg3.8K$2.3M$605.722.48x
99214Established patient office or other outpatient visit, 30-39 minutes19.0K$1.6M$85.583.31x
J2505Injection, pegfilgrastim, 6 mg544$1.6M$3.0K2.92x
J1569Injection, immune globulin, (gammagard liquid), non-lyophilized, (e.g., liquid), 500 mg40.9K$1.4M$34.513.00x
J0885Injection, epoetin alfa, (for non-esrd use), 1000 units143.9K$1.2M$8.562.78x
78815Nuclear medicine study with ct imaging skull base to mid-thigh828$869.9K$1.1K4.08x
96413Administration of chemotherapy into vein, 1 hour or less7.6K$797.4K$104.653.85x
J9035Injection, bevacizumab, 10 mg14.6K$786.6K$53.912.67x
J9999Not otherwise classified, antineoplastic drugs13.4K$686.9K$51.184.85x
J9299Injection, nivolumab, 1 mg30.9K$645.3K$20.903.13x
J9312Injection, rituximab, 10 mg8.4K$621.6K$74.423.21x
J9305Injection, pemetrexed, 10 mg12.1K$579.4K$47.892.59x
Q5119Injection, rituximab-pvvr, biosimilar, (ruxience), 10 mg14.0K$515.0K$36.695.00x
J1568Injection, immune globulin, (octagam), intravenous, non-lyophilized (e.g., liquid), 500 mg13.6K$413.3K$30.323.13x
G9678Oncology care model (ocm) monthly enhanced oncology services (meos) payment for ocm enhanced services. g9678 payments may only be made to ocm practitioners for ocm beneficiaries for the furnishment of enhanced services as defined in the ocm participation a2.2K$355.5K$158.082.53x
J9041Injection, bortezomib, 0.1 mg9.5K$342.2K$36.122.60x
85025Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count36.8K$334.4K$9.083.20x

Markup Analysis

Charge-to-Payment Ratio

3.36x

This provider submits charges 3.36 times higher than what Medicare actually pays.

What This Means

A markup ratio of 3.36x means for every $100 Medicare pays, this provider initially charges $336. This is higher than the national average.

Location

Sarasota, 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.

Luis Chu (you)
$31.6M
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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