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Methodology•Download Data
  1. Home
  2. Providers
  3. Bassam Mattar
🎗️
MDIndividual

Bassam Mattar, MD

NPI: 1053372649
Wichita, KS
10 years of data
Hematology-Oncology
$50.2M
Total Payments
699
Beneficiaries
4.6M
Services
2.86x
Markup Ratio

Peer Comparison

99th
percentile in specialty
This provider$50.2M
Specialty median$339.6K
Rank #12 of 60 in specialty

📋 Key Findings

1Billed $50.2M over 10 years
22.86x markup ratio (above median)
3Risk score: 71 — flagged for review
499th percentile in Hematology-Oncology by payments
51.8K services/day — physically implausible
6Payments surged 68% in 2022

⚠️ Flagged for Review

Risk Score: 71
  • 112x specialty median spending
  • Markup 13.2x (specialty median: 4.0x)
  • 23x specialty median beneficiaries
  • 684x specialty median services
View Deep Dives →Report Fraud →

Statistical flag only — not an accusation of fraud

⚠️ This provider averages 1.8K services per working day — physically unusual for an individual practitioner

Based on 4.6M total services over 10 years (250 working days/year). Learn about impossible service volumes →

🔎 Data Analysis

This provider's $50.2M in total Medicare payments ranks in the 99th percentile of Hematology-Oncology providers nationally.

Averaging 1.8K services per working day raises questions about billing patterns.

Medicare payments to this provider grew 131% from 2014 to 2023.

This provider has been statistically flagged with a risk score of 71/100. 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

📈

Notable: Payments increased 68% in 2022

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 — the gap represents the markup.

YearAvg SubmittedAvg PaidMarkup RatioGap per ServiceTotal PaymentsServicesBeneficiaries
2014$41.56$14.202.93x$27.36$3.1M220.6K60
2015$37.39$12.203.06x$25.19$3.0M243.9K65
2016$26.38$9.482.78x$16.90$4.3M456.2K65
2017$26.63$9.602.77x$17.03$4.3M452.7K73
2018$34.87$13.822.52x$21.05$6.0M432.9K80
2019$30.82$11.792.61x$19.03$4.8M408.8K75
2020$27.92$10.662.62x$17.26$6.9M648.2K74
2021$20.66$7.142.89x$13.52$3.9M548.1K65
2022$30.71$11.212.74x$19.50$6.6M588.0K71
2023$45.57$12.643.61x$32.93$7.2M571.9K71

Top Procedures (20)

J9271Injection, pembrolizumab, 1 mg
$5.6M
138.0K services$40.85/svc2.21x markup
J0897Injection, denosumab, 1 mg
$4.7M
312.3K services$15.15/svc1.95x markup
J9299Injection, nivolumab, 1 mg
$4.7M
213.2K services$21.99/svc2.23x markup
J2505Injection, pegfilgrastim, 6 mg
$2.9M
909 services$3.2K/svc1.98x markup
J1930Injection, lanreotide, 1 mg
$2.5M
53.6K services$47.48/svc2.28x markup
78815Nuclear medicine study from skull base to mid-thigh with ct scan
$2.2M
2.3K services$973.98/svc2.81x markup
J9041Injection, bortezomib, 0.1 mg
$2.1M
63.9K services$32.89/svc2.66x markup
J9145Injection, daratumumab, 10 mg
$1.9M
42.3K services$44.04/svc2.12x markup
99214Established patient office or other outpatient visit, 30-39 minutes
$1.5M
19.0K services$80.49/svc1.80x markup
J0885Injection, epoetin alfa, (for non-esrd use), 1000 units⚠ 3.7x markup
$1.5M
173.5K services$8.61/svc3.72x markup
J9310Injection, rituximab, 100 mg
$1.5M
2.4K services$614.30/svc2.15x markup
J9022Injection, atezolizumab, 10 mg
$1.4M
22.2K services$63.48/svc2.38x markup
96413Administration of chemotherapy into vein, 1 hour or less
$1.2M
11.9K services$98.19/svc2.91x markup
J9035Injection, bevacizumab, 10 mg
$1.1M
20.5K services$54.43/svc2.26x markup
J0894Injection, decitabine, 1 mg⚠ 5.6x markup
$816.4K
69.1K services$11.81/svc5.61x markup
J9264Injection, paclitaxel protein-bound particles, 1 mg
$758.6K
88.6K services$8.57/svc2.22x markup
J1568Injection, immune globulin, (octagam), intravenous, non-lyophilized (e.g., liquid), 500 mg⚠ 4.2x markup
$741.2K
22.7K services$32.71/svc4.18x markup
J9355Injection, trastuzumab, 10 mg
$707.6K
10.0K services$70.90/svc2.17x markup
Q5115Injection, rituximab-abbs, biosimilar, (truxima), 10 mg⚠ 3.5x markup
$680.3K
14.7K services$46.40/svc3.53x markup
Q5108Injection, pegfilgrastim-jmdb (fulphila), biosimilar, 0.5 mg⚠ 4.4x markup
$618.9K
4.1K services$151.25/svc4.39x markup
Show detailed table ▾
CodeDescriptionServicesPaymentsAvg/ServiceMarkup
J9271Injection, pembrolizumab, 1 mg138.0K$5.6M$40.852.21x
J0897Injection, denosumab, 1 mg312.3K$4.7M$15.151.95x
J9299Injection, nivolumab, 1 mg213.2K$4.7M$21.992.23x
J2505Injection, pegfilgrastim, 6 mg909$2.9M$3.2K1.98x
J1930Injection, lanreotide, 1 mg53.6K$2.5M$47.482.28x
78815Nuclear medicine study from skull base to mid-thigh with ct scan2.3K$2.2M$973.982.81x
J9041Injection, bortezomib, 0.1 mg63.9K$2.1M$32.892.66x
J9145Injection, daratumumab, 10 mg42.3K$1.9M$44.042.12x
99214Established patient office or other outpatient visit, 30-39 minutes19.0K$1.5M$80.491.80x
J0885Injection, epoetin alfa, (for non-esrd use), 1000 units173.5K$1.5M$8.613.72x
J9310Injection, rituximab, 100 mg2.4K$1.5M$614.302.15x
J9022Injection, atezolizumab, 10 mg22.2K$1.4M$63.482.38x
96413Administration of chemotherapy into vein, 1 hour or less11.9K$1.2M$98.192.91x
J9035Injection, bevacizumab, 10 mg20.5K$1.1M$54.432.26x
J0894Injection, decitabine, 1 mg69.1K$816.4K$11.815.61x
J9264Injection, paclitaxel protein-bound particles, 1 mg88.6K$758.6K$8.572.22x
J1568Injection, immune globulin, (octagam), intravenous, non-lyophilized (e.g., liquid), 500 mg22.7K$741.2K$32.714.18x
J9355Injection, trastuzumab, 10 mg10.0K$707.6K$70.902.17x
Q5115Injection, rituximab-abbs, biosimilar, (truxima), 10 mg14.7K$680.3K$46.403.53x
Q5108Injection, pegfilgrastim-jmdb (fulphila), biosimilar, 0.5 mg4.1K$618.9K$151.254.39x

Markup Analysis

Charge-to-Payment Ratio

2.86x

This provider submits charges 2.86 times higher than what Medicare actually pays.

What This Means

A markup ratio of 2.86x means for every $100 Medicare pays, this provider initially charges $286. This is higher than the national average.

Location

Wichita, KS

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 KS for peer comparison.

Bassam Mattar (you)
$50.2M
Pavan Reddy, M.D.⚠️
$52.9M
Dennis Moore, MD⚠️
$44.1M
Shaker Dakhil, MD⚠️
$41.0M
Jeremy Deutsch, MD⚠️
$39.7M
Travis Koeneke, MD⚠️
$33.6M
Show detailed table ▾
ProviderLocationTotal PaymentsStatus
Pavan Reddy, M.D.Wichita, KS$52.9M⚠️ Flagged
Dennis Moore, MDWichita, KS$44.1M⚠️ Flagged
Shaker Dakhil, MDWichita, KS$41.0M⚠️ Flagged
Jeremy Deutsch, MDWichita, KS$39.7M⚠️ Flagged
Travis Koeneke, MDManhattan, KS$33.6M⚠️ Flagged

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Data Sources

  • • Centers for Medicare & Medicaid Services (CMS)
  • • Medicare Provider Utilization and Payment Data (2014-2023)
  • • 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