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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. Lawrence Mendelsohn
๐ŸŽ—๏ธ
MDIndividual

Lawrence Mendelsohn, MD

NPI: 1295717189
Little Rock, AR
10 years of data
Hematology-Oncology
$34.6M
Total Payments
669
Beneficiaries
2.7M
Services
4.1x
Markup Ratio

Peer Comparison

99th
percentile in specialty
This provider$34.6M
Specialty median$339.6K
Rank #50 of 60 in specialty

๐Ÿ“‹ Key Findings

1Billed $34.6M over 10 years
24.1x markup ratio (above median)
3Risk score: 70 โ€” flagged for review
499th percentile in Hematology-Oncology by payments
51.1K services/day โ€” physically implausible
6Payments surged 75% in 2016

โš ๏ธ Flagged for Review

Risk Score: 70
  • 53x specialty median spending
  • Markup 15.3x (specialty median: 4.0x)
  • 34x specialty median beneficiaries
  • 371x specialty median services
View Deep Dives โ†’Report Fraud โ†’

Statistical flag only โ€” not an accusation of fraud

โš ๏ธ This provider averages 1.1K services per working day โ€” physically unusual for an individual practitioner

Based on 2.7M total services over 10 years (250 working days/year). Learn about impossible service volumes โ†’

๐Ÿ”Ž Data Analysis

This provider's $34.6M in total Medicare payments ranks in the 99th percentile of Hematology-Oncology providers nationally.

Averaging 1.1K services per working day raises questions about billing patterns.

Medicare payments to this provider grew 70% from 2014 to 2023.

This provider has been statistically flagged with a risk score of 70/100. 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

๐Ÿ“ˆ

Notable: Payments increased 75% in 2016

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$63.77$15.624.08x$48.15$2.0M129.1K55
2015$61.70$16.283.79x$45.42$2.3M144.2K56
2016$59.46$16.123.69x$43.34$4.1M254.6K60
2017$75.62$19.033.97x$56.59$4.4M230.6K66
2018$47.84$10.644.50x$37.20$2.9M276.1K72
2019$51.11$11.154.58x$39.96$3.0M269.3K75
2020$48.25$12.313.92x$35.94$4.6M371.5K73
2021$52.51$13.144.00x$39.37$4.4M337.6K70
2022$43.30$9.494.56x$33.81$3.4M354.5K74
2023$46.39$11.084.19x$35.31$3.4M310.1K68

Top Procedures (20)

J9271Injection, pembrolizumab, 1 mg
$4.9M
119.2K services$40.80/svc2.89x markup
J9299Injection, nivolumab, 1 mg
$3.5M
160.9K services$21.85/svc2.94x markup
J9310Injection, rituximab, 100 mg
$3.1M
5.1K services$612.44/svc2.31x markup
J9035Injection, bevacizumab, 10 mg
$2.0M
36.7K services$55.58/svc2.43x markup
J2505Injection, pegfilgrastim, 6 mg
$1.8M
588 services$3.1K/svc3.00x markup
99214Established patient office or other outpatient visit, 30-39 minutesโš  3.8x markup
$1.5M
19.5K services$78.29/svc3.81x markup
J0897Injection, denosumab, 1 mg
$1.2M
80.0K services$15.51/svc2.92x markup
J9355Injection, trastuzumab, excludes biosimilar, 10 mg
$1.2M
15.9K services$74.31/svc2.36x markup
J2353Injection, octreotide, depot form for intramuscular injection, 1 mg
$994.2K
7.7K services$129.45/svc2.34x markup
99213Established patient office or other outpatient visit, 20-29 minutesโš  3.9x markup
$921.6K
17.8K services$51.89/svc3.91x markup
96413Administration of chemotherapy into vein, 1 hour or lessโš  7.6x markup
$859.9K
9.2K services$93.84/svc7.59x markup
Q5115Injection, rituximab-abbs, biosimilar, (truxima), 10 mgโš  4.5x markup
$856.3K
18.2K services$47.12/svc4.48x markup
J9264Injection, paclitaxel protein-bound particles, 1 mgโš  3.4x markup
$640.4K
69.6K services$9.20/svc3.35x markup
Q5107Injection, bevacizumab-awwb, biosimilar, (mvasi), 10 mgโš  4.3x markup
$616.3K
15.8K services$38.91/svc4.34x markup
J0885Injection, epoetin alfa, (for non-esrd use), 1000 unitsโš  4.9x markup
$608.7K
74.3K services$8.19/svc4.87x markup
85025Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell countโš  3.5x markup
$582.9K
64.9K services$8.98/svc3.55x markup
J9022Injection, atezolizumab, 10 mg
$580.9K
9.3K services$62.63/svc3.00x markup
J9312Injection, rituximab, 10 mgโš  3.0x markup
$494.8K
6.7K services$73.52/svc3.02x markup
J9305Injection, pemetrexed, not otherwise specified, 10 mg
$420.0K
7.8K services$53.85/svc2.74x markup
80053Blood test, comprehensive group of blood chemicalsโš  4.4x markup
$405.0K
42.7K services$9.49/svc4.43x markup
Show detailed table โ–พ
CodeDescriptionServicesPaymentsAvg/ServiceMarkup
J9271Injection, pembrolizumab, 1 mg119.2K$4.9M$40.802.89x
J9299Injection, nivolumab, 1 mg160.9K$3.5M$21.852.94x
J9310Injection, rituximab, 100 mg5.1K$3.1M$612.442.31x
J9035Injection, bevacizumab, 10 mg36.7K$2.0M$55.582.43x
J2505Injection, pegfilgrastim, 6 mg588$1.8M$3.1K3.00x
99214Established patient office or other outpatient visit, 30-39 minutes19.5K$1.5M$78.293.81x
J0897Injection, denosumab, 1 mg80.0K$1.2M$15.512.92x
J9355Injection, trastuzumab, excludes biosimilar, 10 mg15.9K$1.2M$74.312.36x
J2353Injection, octreotide, depot form for intramuscular injection, 1 mg7.7K$994.2K$129.452.34x
99213Established patient office or other outpatient visit, 20-29 minutes17.8K$921.6K$51.893.91x
96413Administration of chemotherapy into vein, 1 hour or less9.2K$859.9K$93.847.59x
Q5115Injection, rituximab-abbs, biosimilar, (truxima), 10 mg18.2K$856.3K$47.124.48x
J9264Injection, paclitaxel protein-bound particles, 1 mg69.6K$640.4K$9.203.35x
Q5107Injection, bevacizumab-awwb, biosimilar, (mvasi), 10 mg15.8K$616.3K$38.914.34x
J0885Injection, epoetin alfa, (for non-esrd use), 1000 units74.3K$608.7K$8.194.87x
85025Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count64.9K$582.9K$8.983.55x
J9022Injection, atezolizumab, 10 mg9.3K$580.9K$62.633.00x
J9312Injection, rituximab, 10 mg6.7K$494.8K$73.523.02x
J9305Injection, pemetrexed, not otherwise specified, 10 mg7.8K$420.0K$53.852.74x
80053Blood test, comprehensive group of blood chemicals42.7K$405.0K$9.494.43x

Markup Analysis

Charge-to-Payment Ratio

4.1x

This provider submits charges 4.1 times higher than what Medicare actually pays.

What This Means

A markup ratio of 4.1x means for every $100 Medicare pays, this provider initially charges $410. This is higher than the national average.

Location

Little Rock, AR

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 AR for peer comparison.

Lawrence Mendelsohn (you)
$34.6M
Kamal Patel, M.D.โš ๏ธ
$58.7M
Balagopalan Nair, M.D.โš ๏ธ
$54.5M
Eric Schaefer, M.D.
$35.5M
Thomas Sneed, M.D.
$34.7M
Gregory Oakhill, M.D.
$34.2M
Show detailed table โ–พ
ProviderLocationTotal PaymentsStatus
Kamal Patel, M.D.Little Rock, AR$58.7Mโš ๏ธ Flagged
Balagopalan Nair, M.D.Little Rock, AR$54.5Mโš ๏ธ Flagged
Eric Schaefer, M.D.Fayetteville, AR$35.5Mโœ“ Clear
Thomas Sneed, M.D.Little Rock, AR$34.7Mโœ“ Clear
Gregory Oakhill, M.D.Fayetteville, AR$34.2Mโœ“ 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.

Believe this data is inaccurate? Dispute this data